CW3E News

News categories (click to filter): AR Recon, Atmospheric Rivers, CW3E AR Updates, CW3E Partners, Data, Drought, Dust, Extreme Events, FIRO, Instrumentation, Meetings, Missions, People, Publications, Research

CW3E Publication Notice: Using Deep Learning for an Analysis of Atmospheric Rivers in a High-Resolution Large Ensemble Climate Dataset (06/05/2023)
CW3E Publication Notice: Observed and projected changes in snow accumulation and snowline in California’s snowy mountains (05/25/2023)
Weather Balloon Launch Demonstration with SIO60 Students (05/17/2023)
CW3E Launches Weather Balloon for Weather Education Day at Oakland-Alameda County Coliseum (05/05/2023)
CW3E research and development on machine learning highlighted as part of a UCSD-wide effort to leverage AI to inform climate action (05/02/2023)
Odds of Reaching 100% Normal Water Year Precipitation: May Update (05/01/2023)
CW3E Welcomes Dr. Gabe Lewis (05/01/2023)
CW3E Publication Notice: Aerosol-heavy precipitation relationship within monsoonal regimes in the Western Himalayas (04/26/2023)
CW3E Scientists Attend Women in the Sciences Leadership Workshop (04/25/2023)
CW3E Publication Notice: Development of a Statistical Subseasonal Forecast Tool to Predict California Atmospheric Rivers and Precipitation Based on MJO and QBO Activity (04/21/2023)
Epic snow from all those atmospheric rivers in the West is starting to melt, and the flood danger is rising (04/17/2023)
CW3E Welcomes Dr. Jorge Baño-Medina (04/14/2023)
CW3E Publication Notice: Multi-Model Subseasonal Prediction Skill Assessment of Water Vapor Transport Associated with Atmospheric Rivers over the Western U.S. (04/10/2023)
CW3E AR Update: 7 April 2023 Quick Look (04/07/2023)
A Scientist's Life: Julie Kalansky (04/07/2023)
CW3E AR Update: 5 April 2023 Outlook (04/05/2023)
CW3E S2S Outlook: 3 April 2023 (04/03/2023)
CW3E Welcomes Dr. Zhiqi Yang (4/03/2023)
Odds of Reaching 100% Normal Water Year Precipitation: April Update (04/01/2023)
CW3E Welcomes Joseph Bursey (03/28/2023)
Undergraduates of AR Recon (03/27/2023)
New CW3E Award Represented at the Colorado River District's State of the River Event (3/27/2023)
CW3E and Colorado Partners secure funding for soil moisture network expansion (03/27/2023)
CW3E AR Update: 24 March 2023 Quick Look (03/24/2023)
CW3E Publication Notice: Deep Learning Forecast Uncertainty for Precipitation over Western US (03/24/2023)
CW3E Event Summary: 23 March 2023 (03/23/2023)
Ranking Atmospheric Rivers: New Study Finds World of Potential (03/21/2023)
CW3E Event Summary: 9-15 March 2023 (03/20/2023)
CW3E Welcomes Ali Wolman (03/20/2023)
CW3E S2S Outlook: 17 March 2023 (03/17/2023)
CW3E AR Update: 17 March 2023 Outlook (03/17/2023)
CW3E AR Update: 13 March 2023 Outlook (03/13/2023)
CW3E AR Update: 10 March 2023 Outlook (03/10/2023)
CW3E 2022-23 Winter (Dec – Feb) Recap (03/8/2023)
CW3E AR Update: 8 March 2023 Quick Look (03/8/2023)
CW3E Welcomes Laura Martin (03/07/2023)
CW3E AR Update: 6 March 2023 Outlook (03/06/2023)
CW3E Welcomes Dr. Suma Bhanu Battula (03/06/2023)
CW3E S2S Outlook: 3 March 2023 (03/03/2023)
CW3E Event Summary: 19-26 February 2023 (03/03/2023)
CW3E Winter Storm and AR Update: 2 March 2023 Outlook (03/02/2023)
CW3E Welcomes Dr. Sagar Parajuli (03/01/2023)
Odds of Reaching 100% Normal Water Year Precipitation: March Update (03/01/2023)
CW3E Publication Notice: Drought Attribution Studies and Water Resources Management (02/28/2023)
CW3E Publication Notice: Autumn precipitation: the competition with Santa Ana winds in determining fire outcomes in Southern California (02/27/2023)
CW3E Winter Storm Update: 24 February 2023 Outlook (02/24/2023)
CW3E AR Update: 23 February 2023 Quick Look (02/23/2023)
CW3E AR Update: 21 February 2023 Outlook (02/21/2023)
CW3E AR Update: 17 February 2023 Outlook (02/17/2023)
CW3E Leadership Meets with Dr. Rick Spinrad, Under Secretary of Commerce for Oceans and Atmospheres & NOAA Administrator (02/16/2023)
CW3E and Yuba Water Agency Bring Science to Life for Students at Browns Valley Elementary School in Yuba County (02/14/2023)
CW3E S2S Outlook: 13 February 2023 (02/13/2023)
CW3E Publication Notice: Evaluation of Subseasonal Drought Forecast Skill over the Coastal Western U.S. (02/10/2023)
CW3E Publication Notice: Impacts of Northeastern Pacific Buoy Surface Pressure Observations (02/08/2023)
Extreme Atmospheric River Incidents are the Subject of Committee Hearing in California State Assembly (02/06/2023)
CW3E S2S Outlook: 3 February 2023 (02/03/2023)
AR Recon Makes Headlines in New York Times and LA Times (02/02/2023)
CW3E Publication Notice: A 440-Year Blue-Oak Reconstruction of Heavy Precipitation in California (02/02/2023)
CW3E Talks Atmospheric Rivers with UC San Diego Students (02/02/2023)
CW3E AR Update: 1 February 2023 Outlook (02/01/2023)
Odds of Reaching 100% Normal Water Year Precipitation: February Update (02/01/2023)
CW3E S2S Outlook: 27 January 2023 (01/27/2023)
AR Recon Milestones - Flight Plans for the Gulf of Mexico and Atlantic Ocean (01/25/2023)
CW3E S2S Outlook: 13 January 2023 (01/13/2023)
CW3E AR Update: 12 January 2023 Quick Look (01/12/2023)
CW3E AR Update: 11 January 2023 Quick Look (01/11/2023)
CW3E Welcomes Dr. Vesta Afzali Gorooh (01/10/2023)
CW3E 2023 Undergraduate Summer Internship Program Now Accepting Applications (01/10/23)
CW3E AR Update: 10 January 2023 Outlook (01/10/2023)
CW3E S2S Outlook: 6 January 2023 (01/06/2023)
CW3E AR Update: 6 January 2023 Quick Look (01/06/2023)
CW3E AR Update: 5 January 2023 Outlook (01/05/2023)
CW3E AR Update: 4 January 2023 Quick Look (01/04/2023)
CW3E Event Summary: 29 December 2022 - 1 January 2023 (01/04/2023)
CW3E AR Update: 3 January 2023 Outlook (01/03/2023)
Odds of Reaching 100% Normal Water Year Precipitation: January Update (01/01/2023)

CW3E AR Update: 28 December 2022 Outlook (12/28/2022)
CW3E Event Summary: 26-27 December 2022 (12/28/22)
CW3E AR Update: 25 Decmeber 2022 Forecast Highlights (12/25/2022)
CW3E AR Update: 22 December 2022 Quick Look (12/22/2022)
CW3E AR Update: 20 December 2022 Outlook (12/20/22)
CW3E S2S Outlook: 16 December 2022 (12/16/22)
CW3E Event Summary: 9-12 December 2022 (12/14/22)
CW3E Welcomes Lisa Katz (12/14/22)
CW3E AR Update: 8 December 2022 Outlook (12/08/22)
CW3E Field Research Manager Co-Authors Web Article: JEDI Reflections at the AGU Fall Meetings (12/08/2022)
Atmospheric River Reconnaissance Flight Season Gets an Early Start This Winter (12/07/22)
CW3E Event Summary: 29 November - 5 December 2022 (12/06/22)
CW3E Welcomes Dr. Jonathan Rutz (12/06/22)
CW3E AR Update: 5 December 2022 Outlook (12/05/22)
CW3E S2S Outlook: 2 December 2022 (12/2/22)
CW3E presents AR research and applications with San Bernardino Special Districts (12/02/2022)
CW3E Welcomes Adolfo Lopez Miranda (12/01/2022)
Odds of Reaching 100% Normal Water Year Precipitation: December Update (12/01/22)
CW3E AR Update: 30 November 2022 Quick Look (11/30/2022)
CW3E Publication Notice: Representation of Atmospheric Water Budget and Uncertainty Quantification of Future Changes in CMIP6 for the Seven U.S. National Climate Assessment Regions (11/30/22)
CW3E AR Update: 29 November 2022 Outlook (11/29/22)
CW3E Welcomes Rosy Luna Niño (11/22/22)
CW3E Publication Notice: Seasonality of MJO Impacts on Precipitation Extremes Over the Western U.S. (11/21/22)
Enhanced Observations for Water Resilience in the Yampa River Basin: The 5th Annual Yampa Basin Rendezvous (11/17/22)
CW3E S2S Outlook: 14 November 2022 (11/14/22)
CW3E Adds New Radiosonde Launch Site at Seven Oaks Dam (11/11/2022)
CW3E Launches a New Website Focused on Equity, Diversity, and Inclusion Efforts at the Center (11/10/22)
CW3E Event Summary: 7-8 November 2022 (11/10/22)
CW3E Event Summary: 3-5 November 2022 (11/09/22)
CW3E Kicks off the Water Year 2023 West-WRF Forecast Season (11/07/22)
CW3E Hosts 3rd Annual Atmospheric River Reconnaissance Workshop (11/07/22)
CW3E AR Update: 4 November 2022 Outlook (11/04/22)
CW3E AR Update: 03 November 2022 Quick Look (11/03/2022)
CW3E AR Update: 2 November 2022 Outlook (11/02/22)
Odds of Reaching 100% Normal Water Year Precipitation: November Update (11/01/22)
CW3E Welcomes Jia Wang (11/01/22)
CW3E AR Update: 31 October 2022 Outlook (10/31/22)
2022 International Atmospheric Rivers Conference Held in Santiago, Chile (10/31/22)
CW3E Partners with YVSC and UYWCD to Install Soil Moisture Monitoring Station (10/30/22)
CW3E AR Update: 26 October 2022 Outlook (10/26/22)
CW3E Welcomes Ivette Hernández Baños (10/21/22)
CW3E Publication Notice: The Impact of Dropsonde Data on the Performance of the NCEP Global Forecast System During the 2020 Atmospheric Rivers Observing Campaign. Part 1: Precipitation (10/20/22)
CW3E AR Update: 19 October 2022 Outlook (10/19/22)
CW3E Welcomes Ellen Knappe (10/19/22)
Comet Supercomputer Pilots Extreme Ensemble for Predicting Atmospheric River Events (10/17/22)
CW3E Welcomes Hart Wanetick (10/11/22)
CW3E Publication Notice: Impacts of dropsonde and satellite observations on the forecasts of two atmospheric-river-related heavy rainfall events (10/04/22)
CW3E Welcomes Janel Mayo (10/04/2022)
Odds of Reaching 100% Normal Water Year Precipitation: October Update (10/01/22)
CW3E Announces Addition of Environment and Climate Change Canada Model to S2S AR Activity Outlooks (09/27/2022)
CW3E Welcomes Kayden Haleakala (09/26/2022)
CW3E Hosts Outreach Booths at the 1st Annual Yampa Youth Water Festival (09/23/2022)
CW3E AR Update: 19 September 2022 Quick Look (09/19/2022)
CW3E AR Update: 16 September 2022 Outlook (09/16/2022)
CW3E Publication Notice: Unveiling Four Decades of Intensifying Precipitation from Tropical Cyclones Using Satellite Measurements (09/16/22)
CW3E AR Update: 15 September 2022 Outlook (09/15/2022)
CW3E Event Summary: 9-11 September 2022 (09/13/22)
CW3E Director Marty Ralph Discusses ARs on NPR's Here & Now (09/12/22)
CW3E Welcomes Yuan Yang (09/06/22)
CW3E Visits the Wrigley Marine Science Center (09/06/22)
Congratulations to Dr. Sierks – CW3E Graduate Student Successfully Defends Dissertation (09/02/22)
Odds of Reaching 100% Normal Water Year Precipitation: September Update (09/01/22)
CW3E Welcomes Deanna Nash (08/29/22)
Climate Change Projected to Increase Atmospheric River Flood Damages in the United States (08/25/22)
CW3E Director Marty Ralph Writes About Advances in Atmospheric River Science and Applications in September Issue of Scientific American (08/19/22)
CW3E Hosts the First Forecast Informed Reservoir Operations Colloquium (08/10/22)
Odds of Reaching 100% Normal Water Year Precipitation: August Update (08/01/22)
CW3E Publication Notice: Winter Wet-Dry Weather Patterns Driving Atmospheric Rivers and Santa Ana Winds Provide Evidence for Increasing Wildfire Hazard in California (07/26/22)
CW3E Publication Notice: Advances in Sub-seasonal to Seasonal Prediction Relevant to Water Management in the Western United States (07/26/22)
Extended Lack of Atmospheric Rivers Driving California Drought (07/08/22)
Odds of Reaching 100% Normal Water Year Precipitation: July Update (07/01/22)
CW3E Welcomes Ethan Morris (06/30/22)
CW3E Talks Atmospheric Rivers with Solana Beach Day Camp (06/29/22)
CW3E Event Summary: 9-12 June 2022 (06/15/22)
CW3E Publication Notice: Summarizing Relationships Among Landfalling Atmospheric Rivers, Integrated Water Vapor Transport, and California Watershed Precipitation 1982–2019 (06/09/22)
CW3E AR Update: 7 June 2022 Outlook (06/07/2022)
CW3E AR Update: 3 June 2022 Outlook (06/03/2022)
CW3E Welcomes Dr. Jason Cordeira (06/02/22)
Odds of Reaching 100% Normal Water Year Precipitation: June Update (06/01/22)
CW3E Co-hosts 2022 Southwest Extreme Precipitation Symposium (SWEPSYM) (05/09/22)
CW3E Publication Notice: Running a scientific conference during pandemic times (05/04/22)
Odds of Reaching 100% Normal Water Year Precipitation: May Update (05/01/22)
CW3E Welcomes Dr. Mu Xiao (04/29/22)
CW3E and Groundwork San Diego Host Webster Elementary School Students at Scripps Pier to Learn About ARs and Extreme Weather (04/26/22)
CW3E Welcomes Samuel Bartlett (04/19/22)
CW3E AR Update: 18 April 2022 Outlook (04/18/22)
CW3E AR Update: 14 April 2022 Outlook (04/14/22)
AR Recon 2022 Highlighted in ECMWF Spring 2022 Newsletter (04/13/22)
Distribution of Landfalling Atmospheric Rivers over the U.S. West Coast During Water Year 2022: Summary Through March (04/07/22)
CW3E and Yuba Water Agency Visit YES Charter Academy for Lesson on ARs (04/06/22)
CW3E Publication Notice: Increases in Future AR Count and Size: Overview of the ARTMIP Tier 2 CMIP5/6 Experiment (04/05/22)
Odds of Reaching 100% Normal Water Year Precipitation: April Update (04/01/22)
CW3E S2S Outlook: 29 March 2022 (03/29/22)
CW3E quoted in a Washington Post article highlighting extreme precipitation in Southern California (03/29/22)
CW3E AR Update: 24 March 2022 Outlook (03/24/22)
Lake Mendocino Forecast Informed Reservoir Operations Awarded ASCE Region 9 Water Project (03/24/22)
CW3E S2S Outlook: 23 March 2022 (03/23/22)
CW3E demonstrates balloon launch, discusses research with USC students at Wrigley Marine Science Center (03/22/22)
CW3E S2S Outlook: 16 March 2022 (03/16/22)
CW3E S2S Outlook: 9 March 2022 (03/09/22)
CW3E Welcomes Chris Delaney (03/09/22)
CW3E Publication Notice: Future changes of PNA-like MJO teleconnections in CMIP6 models: underlying mechanisms and uncertainty (03/08/22)
CW3E Publication Notice: Atmospheric river precipitation enhanced by climate change: A case study of the storm that contributed to California’s Oroville Dam crisis (03/08/22)
CW3E Event Summary: 26 February - 2 March 2022 (03/03/22)
CW3E S2S Outlook: 2 March 2022 (03/02/22)
CW3E Hosts AR and Forecast Tool Informational Session with USACE Portland District (03/01/22)
Odds of Reaching 100% Normal Water Year Precipitation: March Update (03/01/22)
CW3E AR Update: 28 February 2022 Quick Look (02/28/22)
How can information about atmospheric rivers optimize reservoir operations? - American Society of Civil Engineers (02/24/22)
CW3E AR Update: 24 February 2022 Outlook (02/24/22)
IRI Weather Regime Subseasonal Forecast Product Added to CW3E S2S Webpage (02/23/22)
CW3E S2S Outlook: 23 February 2022 (02/23/22)
CW3E S2S Outlook: 16 February 2022 (02/16/22)
CW3E Publication Notice: First Airborne Measurements with a G-band Differential Absorption Radar (02/15/22)
CW3E Welcomes Xun (Jerry) Zou (02/15/22)
Dr. Michael Dettinger Elected to National Academy of Engineering (02/14/22)
CW3E S2S Outlook: 9 February 2022 (02/09/22)
CW3E Welcomes Hillary Beckmeyer (02/09/22)
CW3E Welcomes Dr. Mohammadvaghef Ghazvinian (02/08/22)
CW3E Welcomes Dr. Agniv Sengupta (02/03/22)
Odds of Reaching 100% Normal Water Year Precipitation: February Update (02/01/22)
AGU press release on CW3E publication: New study improves understanding of Southern California’s intense winter rains (01/27/22)
CW3E S2S Outlook: 25 January 2022 (01/25/22)
CW3E Publication Notice: Improved Forecast Skill through the Assimilation of Dropsonde Observations from the Atmospheric River Reconnaissance Program (01/18/22)
CW3E Publication Notice: Large-scale environments of successive atmospheric river events leading to compound precipitation extremes in California (01/13/22)
CW3E researcher quoted in Nature news feature, "The devastating mudslides that follow forest fires" (01/13/22)
CW3E Publication Notice: A Climatology of Narrow Cold-Frontal Rainbands in Southern California (01/13/22)
CW3E Publication Notice: Atmospheric River Reconnaissance Workshop Promotes Research and Operations Partnership (01/12/22)
CW3E Extreme SWE (Snow) Event Summary: 4 – 7 January 2022 (01/12/22)
CW3E S2S Outlook: 12 January 2022 (01/12/22)
The 2022 Atmospheric River Reconnaissance Season is Underway (01/12/22)
CW3E Welcomes Colin Grudzien (01/11/22)
CW3E Event Summary: 2-8 January 2022 (01/10/22)
CW3E AR Update: 10 January 2022 Outlook (01/10/22)
CW3E Publication Notice: Evaluating the Meteorological Conditions Associated With Dusty Atmospheric Rivers (01/06/22)
CW3E Event Summary: 22 December 2021 - 1 January 2022 (01/05/22)
Marking 25 Years Since the New Year's Flood of 1997 in Yuba County | Yuba Water Agency, CA (01/05/22)
FIRO Featured in AWRA Impact Magazine; Dec 2021 Issue (01/03/22)
Odds of Reaching 100% Normal Water Year Precipitation: January Update (01/01/22)

CW3E AR Update: 22 December 2021 Outlook (12/20/21)
CW3E S2S Outlook: 22 December 2021 (12/22/21)
CW3E AR Update: 21 December 2021 Quick Look (12/21/21)
CW3E AR Update: 20 December 2021 Outlook (12/20/21)
CW3E Publication Notice: Assessment of a post-fire debris flow impacting El Capitan Watershed, Santa Barbara County, California, USA (12/20/21)
CW3E Event Summary: 10-14 December 2021 (12/16/21)
FIRO Highlighted in Maven's Notebook (12/15/21)
CW3E AR Update: 13 December 2021 Quick Look (12/13/21)
CW3E Releases Update to California Watershed Precipitation Forecasts (12/13/21)
CW3E AR Update: 10 December 2021 Outlook (12/10/21)
Recently Graduated CW3E PhD Student Tashiana Osborne Featured in Wavelengths (12/10/21)
CW3E AR Update: 8 December 2021 Outlook (12/08/21)
CW3E S2S Outlook: 8 December 2021 (12/08/21)
CW3E Publication Notice: Advances in the Application and Utility of Subseasonal-to-Seasonal Predictions (12/06/21)
CW3E AR Update: 3 December 2021 Outlook (12/03/21)
Odds of Reaching 100% Normal Water Year Precipitation: December Update (12/01/21)
CW3E AR Update: 29 November 2021 Outlook (11/29/21)
CW3E AR Update: 24 November 2021 Outlook (11/24/21)
Bibliography of AR-Focused Publications (11/23/21)
Congratulations to Dr. Chapman – CW3E Graduate Student Successfully Defends Dissertation (11/23/21)
CW3E Launches New AR Scale Ensemble Forecast Tool (11/19/21)
CW3E Event Summary: 10-16 November 2021 (11/17/21)
CW3E Welcomes Garrett McGurk (11/16/21)
CW3E AR Update: 12 November 2021 Outlook (11/12/21)
CW3E Launches New S2S Precipitation Forecast Product Using Machine Learning Models (11/12/21)
CW3E AR Update: 10 November 2021 Outlook (11/10/21)
CW3E Publication Notice: Genesis Locations of the Costliest Atmospheric Rivers Impacting the Western United States (11/07/21)
CW3E AR Update: 5 November 2021 Outlook (11/05/21)
CW3E Welcomes Lindsey Jasperse (11/04/21)
CW3E AR Update: 3 November 2021 Outlook (11/03/21)
CW3E Welcomes Benjamin Downing (11/03/21)
Odds of Reaching 100% Normal Water Year Precipitation: November Update (11/01/21)
CW3E Publication Notice: Probabilistic Predictions from Deterministic Atmospheric River Forecasts with Deep Learning (10/28/21)
CW3E Event Summary: 19-26 October 2021 (10/28/21)
CW3E Contributes to Drifting buoys deployed off Greenland (10/26/21)
CW3E AR Update: 22 October 2021 Outlook (10/22/21)
CW3E AR Update: 21 October 2021 Quick Look (10/21/21)
CW3E AR Update: 20 October 2021 Outlook (10/20/21)
CW3E Welcomes Shawn Roj (10/19/21)
CW3E AR Update: 19 October 2021 Quick Look (10/19/21)
CW3E AR Update: 18 October 2021 Outlook (10/18/21)
2021 North American Monsoon Recap (10/15/21)
CW3E AR Update: 14 October 2021 Outlook (10/14/21)
CW3E Welcomes Weiming Hu (10/13/21)
CW3E Participates in a Dialogue on Drought in the Upper Colorado’s Yampa River Basin after the First-Ever Shortage Declaration on Lake Mead (10/13/21)
Distribution of Landfalling Atmospheric Rivers over the U.S. West Coast During Water Year 2021: End of Water Year Summary (10/11/21)
CW3E AR Update: 7 October 2021 Outlook (10/07/21)
CW3E Event Summary: 4-5 October 2021 (10/05/21)
CW3E Hydrologist, Edwin Sumargo is highlighted in BAMS (Subscription Required) (10/01/21)
Odds of Reaching 100% Normal Water Year Precipitation: October Update (10/01/21)
CW3E AR Update: 28 September 2021 Outlook (09/28/21)
CW3E Event Summary: 16-19 September 2021 (09/21/21)
CW3E AR Update: 16 September 2021 Outlook (09/16/21)
CW3E AR Update: 13 September 2021 Outlook (09/13/21)
CW3E Hosts 2021 Summer Intern Program (09/03/21)
Odds of Reaching 100% Normal Water Year Precipitation: September Update (09/01/21)
CW3E with Partners with Orange County Water District, US Army Corps of Engineers and CA DWR to Assess FIRO at Prado Dam (08/24/21)
Middle Tennessee Flooding: 21 August 2021 (08/24/21)
CW3E Scientists Propose Policy Action on Western Wildfire and Climate Change (08/10/21)
Odds of Reaching 100% Normal Water Year Precipitation: August Update (08/01/21)
CW3E Publication Notice: A warming climate adds complexity to post-fire hydrologic hazard planning (07/29/21)
CW3E Publication Notice: Object-based Verification of Atmospheric River Predictions in the Northeast Pacific (07/27/21)
CW3E Conducts Radiosonde Launch with UCSD-EarthLab High School Students (07/27/21)
CW3E Hosts Second Annual Atmospheric River Reconnaissance (AR Recon) Workshop (07/20/21)
The Women of AR Recon (07/20/21)
CW3E Publication Notice: Representation of dropsonde-observed atmospheric river conditions in reanalyses (07/16/21)
CW3E Publication Notice: Modulation of Atmospheric Rivers by Mesoscale Frontal Waves and Latent Heating: Comparison of Two U.S. West Coast Events (07/14/21)
Odds of Reaching 100% Normal Water Year Precipitation: July Update (07/01/21)
Congratulations to Dr. Osborne – CW3E Graduate Student Successfully Defends Dissertation (06/29/21)
CW3E Publication Notice: Better Subseasonal-to-Seasonal Forecasts for Water Management (06/25/21)
CW3E AR Update: 10 June 2021 Outlook (06/10/21)
Odds of Reaching 100% Normal Water Year Precipitation: June Update (06/01/21)
What’s causing California’s drought? (05/25/21)
Odds of Reaching 100% Normal Water Year Precipitation: May Update (05/01/21)
CW3E Publication Notice: Evaluation of the Subseasonal Forecast Skill of Floods Associated with Atmospheric Rivers in Coastal Western US Watersheds (04/30/21)
CW3E Publication Notice: A Climatological Study of National Weather Service Watches, Warnings, and Advisories and Landfalling Atmospheric Rivers in the Western U.S. 2006–2018 (04/30/21)
CW3E Publication Notice: Uncertainty in different precipitation products in the case of two atmospheric river events (04/28/21)
Yuba Water and Scripps Institution of Oceanography partner to bring weather station to local school (04/21/21)
CW3E AR Update: 21 April 2021 Outlook (04/21/21)
CW3E Welcomes Jose Martinez-Claros (04/21/21)
CW3E to gain exclusive access to SDSC's Comet Supercomputer to accelerate research on extreme weather and water events (04/20/21)
CW3E Publication Notice: Time Since Burning and Rainfall Characteristics Impact Post-Fire Debris-Flow Initiation and Magnitude (04/15/21)
CW3E End of Winter Summary: WY 2021 (04/07/21)
CW3E Welcomes Qian Cao (04/02/21)
Odds of Reaching 100% Normal Water Year Precipitation: April Update (04/01/21)
CW3E Publication Notice: The role of air‐sea interactions in atmospheric rivers: Case studies using the SKRIPS regional coupled model (03/31/21)
Congratulation to CW3E Graduate Student Tashiana Osborne for being inducted into the Bouchet Honors Society (03/29/21)
CW3E Welcomes Duncan Axisa (03/17/21)
CW3E Precipitation Update: 8 March 2021 Outlook (03/08/21)
CW3E Publication Notice: The Influence of Antecedent Atmospheric River Conditions on Extratropical Cyclogenesis (03/02/21)
Odds of Reaching 100% Normal Water Year Precipitation: March Update (03/01/21)
CW3E Event Summary: 21-23 February 2021 (02/24/21)
CW3E AR Update: 19 February 2021 Outlook (02/19/21)
CW3E Welcomes Ming Pan (02/17/21)
CW3E Middle School Meteorology at EarthLab STEAM Camp (02/15/21)
CW3E AR Update: 12 February 2021 Outlook (02/12/21)
Distribution of Landfalling Atmospheric Rivers over the U.S. West Coast During Water Year 2021: Quarter Year Summary (02/11/21)
A New CW3E Fieldwork Season Begins (02/10/21)
CW3E AR Update: 9 February 2021 Outlook (02/09/21)
CW3E Publication Notice: A climatology of atmospheric rivers in New Zealand (02/09/21)
CW3E Publication Notice: European West Coast atmospheric rivers: A scale to characterize strength and impacts (02/08/21)
CW3E Publication Notice: The Circulation Response of a Two-Dimensional Frontogenetic Model to Optimized Moisture Perturbations (02/08/21)
New Report Confirms Benefits of Forecast-Informed Reservoir Operations at Lake Mendocino (02/04/21)
CW3E Event Summary: 26-29 January 2021 (02/02/21)
CW3E AR Update: 1 February 2021 Quick Look (02/01/21)
Odds of Reaching 100% Normal Water Year Precipitation: February Update (02/01/21)
CW3E AR Update: 28 January 2021 Quick Look (01/28/21)
CW3E AR Update: 26 January 2021 Quick Look (01/26/21)
An atmospheric river is headed our way: The science behind it and precipitation it will bring (01/25/21)
CW3E AR Update: 25 January 2021 Outlook (01/25/21)
CW3E Welcomes Jiabao Wang (01/25/21)
CW3E AR Update: 22 January 2021 Outlook (01/22/21)
CW3E Director featured in NYT about California's drought and ARs (01/22/21)
CW3E Event Summary: 11-13 January 2021 (01/14/21)
CW3E AR Update: 12 January 2021 Outlook (01/12/21)
CW3E AR Update: 11 January 2021 Outlook (01/11/21)
CW3E Event Summary: 1-7 January 2021 (01/08/21)
Odds of Reaching 100% Normal Water Year Precipitation: January Update (01/01/21)

CW3E Event Summary: 17-22 December 2020 (12/23/20)
CW3E Publication Notice: Atmospheric river sectors: Definition and characteristics observed using dropsondes from 2014-2020 CalWater and AR Recon (12/23/20)
CW3E AR Update: 22 December 2020 Outlook (12/22/20)
CW3E Publication Notice: A soil moisture monitoring network to assess controls on runoff generation during atmospheric river events (12/22/20)
CW3E Event Summary: 11-17 December 2020 (12/18/20)
CW3E AR Update: 17 December 2020 Outlook (12/17/20)
Data Science Post-Doctoral Position at CW3E (12/17/20)
CW3E AR Update: 11 December 2020 Outlook (12/11/20)
CW3E highlighted in a recent story on ABC10: "From droughts to flooding, here's how California is trying to better understand atmospheric rivers" (12/10/20)
Lake Mendocino is low, but no water shortages forecast, thanks to new tech (12/09/20)
As fires rage, California center rushes to understand their remedy: Atmospheric rivers (12/07/20)
CW3E AR Update: 7 December 2020 Outlook (12/07/20)
CW3E Welcomes Matthew Simpson (12/05/20)
CW3E Event Summary: 01-04 December 2020 (12/04/20)
Past Yuba Water Agency General Manager Curt Aikens Honored with Association of California Water Agencies’ Lifetime Achievement Award (12/03/20)
Odds of Reaching 100% Normal Water Year Precipitation - December Update (12/01/20)
CW3E Field Team Installs New Meteorological Stations Ahead of WY2021 (11/25/20)
CW3E Welcomes Luke Odell (11/23/20)
CW3E Publication Notice: Subseasonal‐to‐Seasonal Hindcast Skill Assessment of Ridging Events Related to Drought Over the Western United States (11/23/20)
CW3E Event Summary: 16-18 November 2020 (11/20/20)
CW3E AR Update: 16 November 2020 Outlook (11/16/20)
CW3E Publication Notice: The Observed Water Vapor Budget in an Atmospheric River over the Northeast Pacific (11/16/20)
CW3E Publication Notice: Hydrometeorological Characteristics of Ice Jams on the Pemigewasset River in Central New Hampshire (11/15/20)
CW3E AR Update: 12 November 2020 Outlook (11/12/20)
CW3E AR Update: 10 November 2020 Outlook (11/10/20)
CW3E Hosts Fourth Yampa Basin Rendezvous Webinar of 2020: Exploring Uncertainty and Climate Change Impacts in the Yampa River Basin (11/08/20)
CW3E AR Update: 5 November 2020 Outlook (11/05/20)
Four CW3E Researchers Honored with CA DWR's Award For Climate Science Service (11/05/20)
CW3E Launches Public Subseasonal-to-Seasonal (S2S) Experimental Forecast Webpage for Winter 2020-2021 (11/03/20)
CW3E Launches New Forecast Tools for the Atmospheric River Scale (11/02/20)
New Forecast Tool Looks Out to Six Weeks for Early Signs of Ridging Conditions – A Phenomenon Key to Diverting Winter Storms and Promoting U.S. West Coast Drought (11/02/20)
Odds of Reaching 100% Normal Water Year Precipitation - November Update (11/01/20)
CW3E AR Update: 30 October 2020 Outlook (10/30/20)
Distribution of Landfalling Atmospheric Rivers over the U.S. West Coast During Water Year 2020: End of Water Year Summary (10/28/20)
CW3E Director gives virtual talks for UCLA and Stony Brook University (10/26/20)
The Latest on Yuba-Feather Forecast-Informed Reservoir Operations (10/23/20)
2020 North American Monsoon Recap (10/22/20)
CW3E Publication Notice: A Climatology of Atmospheric Rivers and Associated Precipitation for the Seven US National Climate Assessment Regions (10/21/20)
CW3E Publication Notice: Data Gaps within Atmospheric Rivers over the Northeastern Pacific (10/20/20)
CW3E Explores Uncertainty and Climate Change Impacts in the Yampa River Basin Upcoming Webinar (10/20/20)
CW3E Publication Notice: Observations and Predictability of a High-Impact Narrow Cold Frontal Rainband over Southern California on 2 February 2019 (10/16/20)
CW3E AR Update: 14 October 2020 Outlook (10/14/20)
CW3E Publication Notice: Linking Mesoscale Meteorology with Extreme Landscape Response: Effects of an NCFR (10/13/20)
CW3E and Universidad de Chile Virtually Host the International Atmospheric Rivers Conference-Sponsored Symposium (10/12/20)
CW3E Attends BSMAR and SWEPSYM Virtual Events (10/10/20)
CW3E AR Update: 9 October 2020 Outlook (10/09/20)
CW3E Welcomes Sarah Ogle (10/08/20)
CW3E AR Update: 7 October 2020 Outlook (10/07/20)
CW3E AR Update: 6 October 2020 Quick Look (10/06/20)
CW3E AR Update: 5 October 2020 Outlook (10/05/20)
Odds of Reaching 100% Normal Water Year Precipitation - October Update (10/01/20)
CW3E Event Summary: 23-27 September 2020 (09/29/20)
CW3E Welcomes Linghan Li (09/29/20)
Virtual Happy Hour: CW3E Post-Doc Appreciation (09/24/20)
CW3E AR Update: 24 September 2020 Outlook (09/22/20)
CW3E AR Update: 22 September 2020 Quick Look (09/22/20)
CW3E Event Summary: 14-18 September 2020 (09/22/20)
CW3E AR Update: 21 September 2020 Outlook (09/21/20)
CW3E AR Update: 18 September 2020 Outlook (09/18/20)
CW3E To Launch Second Year of Experimental Seasonal Forecasts of Precipitation (09/15/20)
CW3E Explores Shifting Seasons and Precipitation in the Yampa River Basin Upcoming Webinar (09/15/20)
CW3E AR Update: 14 September 2020 Outlook (09/14/20)
CW3E AR Update: 10 September 2020 Outlook (09/10/20)
Odds of Reaching 100% Normal Water Year Precipitation - September Update (09/01/20)
New Water Affiliates Group Forms at Scripps’ Center for Western Weather and Water Extremes (08/24/20)
CW3E Publication Notice: Forecast Informed Reservoir Operations Using Ensemble Streamflow Predictions for a Multi‐Purpose Reservoir in Northern California (08/17/20)
Odds of Reaching 100% Normal Water Year Precipitation - August Update (08/01/20)
Researchers Identify Factor Behind 2017 Oroville Dam Spillways Incident (07/22/20)
CW3E Visiting Researcher Honored at California Extreme Precipitation Symposium (07/21/20)
CW3E Publication Notice: Floods due to atmospheric rivers along the U.S. West Coast: The role of antecedent soil moisture in a warming climate (07/20/20)
CW3E Publication Notice: Freezing Level Forecast Error Can Consume Reservoir Flood Control Storage: Potentials for Lake Oroville and New Bullards Bar Reservoirs in California (07/20/20)
CW3E Publication Notice: Forecast Errors and Uncertainties in Atmospheric Rivers (07/15/20)
CW3E Publication Notice: Dusty Atmospheric Rivers: Characteristics and Origins (07/15/20)
CW3E Publication Notice: Snowmelt causes different limitations on transpiration in a Sierra Nevada conifer forest (07/09/20)
CW3E Hosts Virtual Atmospheric River Reconnaissance Workshop (07/08/20)
Measuring and Managing Seasonal Variability: CW3E Explores the Yampa River Basin (07/07/20)
Odds of Reaching 100% Normal Water Year Precipitation - July Update (07/01/20)
Congratulations to Dr. Fish – CW3E Graduate Student Successfully Defends Dissertation (06/25/20)
CW3E Graduate Student Awarded the UC President’s Dissertation Year Fellowship (06/24/20)
CW3E Graduate Student Honored for Exceptional Research (06/17/20)
CW3E Welcomes Negin Hayatbini (06/15/20)
CW3E Assists in Hosting Virtual Post-Fire Science Symposium (06/11/20)
Characteristics and Impacts of the April 4-11 2020 Cutoff Low Storm in California (06/03/20)
Chollas Creek Community Science Trash-Tography Project (06/02/20)
Odds of Reaching 100% Normal Water Year Precipitation - June Update (06/01/20)
CW3E Publication Notice: The Hydrometeorological Observation Network in California’s Russian River Watershed: Development, Characteristics and Key Findings from 1997 to 2019 (05/27/20)
CW3E Welcomes Douglas Alden (05/27/20)
CW3E Publication Notice: Four Atmospheric Circulation Regimes Over the North Pacific and Their Relationship to California Precipitation on Daily to Seasonal Timescales (05/26/20)
CW3E AR Update: 16-19 May 2020 (05/21/20)
CW3E AR Update: 14 May 2020 Outlook (05/14/20)
Flights Into The Stratosphere Study Changes To Atmospheric Rivers (05/14/20)
CW3E Publication Notice: West Coast Forecast Challenges and Development of Atmospheric River Reconnaissance (05/13/20)
Congratulations to Dr. Demirdjian - CW3E Graduate Student Successfully Defends Dissertation (05/12/20)
CW3E Surface Met Data Now Available on MesoWest and MADIS (05/11/20)
Congratulations to Dr. Voss - CW3E Graduate Student Successfully Defends Dissertation (05/07/20)
CW3E Welcomes Kerstin Paulsson (05/06/20)
CW3E Publication Notice: Recent Changes in United States Extreme 3-Day Precipitation Using the R-CAT Scale (05/06/20)
CW3E Welcomes Nina Oakley (05/01/20)
Odds of Reaching 100% Normal Water Year Precipitation - May Update (05/01/20)
CW3E Delivers First Webinar in Scripps Innovation Series – Recording Now Available Online (04/30/20)
CW3E Student Helps Facilitate Virtual Conference on Sustainability and the Global Pandemic (04/27/20)
CW3E Welcomes Peter Yao (04/27/20)
CW3E Publication Notice: PERSIANN Dynamic Infrared–Rain Rate Model (PDIR) for High-Resolution, Real-Time Satellite Precipitation Estimation (04/23/20)
CW3E Event Summary: 5-10 April 2020 (04/15/20)
CW3E Welcomes Ellen Knappe (04/13/20)
CW3E Publication Notice: Quantifying the Spatial Variability of a Snowstorm Using Differential Airborne Lidar (04/13/20)
AR Recon 2020-Drifting Buoy Project Highlighted in ECMWF Spring 2020 Newsletter (04/10/20)
CW3E Welcomes Wen-Shu Lin (04/09/20)
Distribution of Landfalling Atmospheric Rivers over the U.S. West Coast during Water Year 2020: October through March Update (04/08/20)
CW3E AR Update: 7 April 2020 Summary (04/07/20)
Flying high with NOAA over the Pacific (04/06/20)
CW3E AR Update: 3 April 2020 Outlook (04/03/20)
CW3E Publication Notice: Detection Uncertainty Matters for Understanding Atmospheric Rivers (04/02/20)
Odds of Reaching 100% Normal Water Year Precipitation - April Update (04/01/20)
CW3E Publication Notice: Responses and impacts of atmospheric rivers to climate change (03/24/20)
March Rains Fall Short of a Miracle but a Major Boost for Southern California, Some Help for the Sierras (03/19/20)
CW3E Event Summary: 14-17 March 2020 (03/19/20)
CW3E Event Summary: 9-13 March 2020 (03/17/20)
CW3E Precipitation Update: 14 March 2020 Outlook (03/14/20)
CW3E Precipitation Update: 12 March 2020 Outlook (03/12/20)
New Forecast Tool Looks Three Weeks Ahead for Chances of Atmospheric Rivers (03/12/20)
CW3E AR Update: 11 March 2020 Outlook (03/11/20)
CW3E AR Update: 9 March 2020 Outlook (03/09/20)
CW3E AR Update: 6 March 2020 Outlook (03/06/20)
Odds of Reaching 100% Normal Water Year Precipitation - March Update (03/01/20)
CW3E Event Summary: 21-23 February 2020 (02/25/20)
CW3E Fosters Closer Connections at the Head of the Yampa River in Steamboat Springs, CO (02/24/20)
CW3E AR Update: 21 February 2020 Quick Look (02/21/20)
CW3E AR Update: 20 February 2020 Outlook (02/20/20)
CW3E Welcomes Dr. Peter Gibson (02/20/20)
Three Aircrafts Set to Sample Atmospheric River This Afternoon (02/14/20)
CW3E Welcomes Marian de Orla-Barile (02/14/20)
CW3E Event Summary: 4-8 February 2020 (02/11/20)
CW3E AR Update: 4 February 2020 Outlook (02/04/20)
CW3E Graduate Student Joins Astronaut Jessica Meir for Middle School Outreach Event (02/04/20)
CW3E Event Summary: 26 January – 2 February 2020 (02/03/20)
Odds of Reaching 100% Normal Water Year Precipitation - February Update (02/01/20)
CW3E Publication Notice: Current and Emerging Developments in Subseasonal to Decadal Prediction (01/31/20)
CW3E AR Update: 30 January 2020 Quicklook (01/30/20)
CW3E Publication Notice: Skill of rain-snow level forecasts for landfalling atmospheric rivers: A multi-model model assessment using California’s network of vertically profiling radars (01/30/20)
CW3E AR Update: 29 January 2020 Outlook (01/29/20)
CW3E AR Update: 24 January 2020 Outlook (01/24/20)
International Naval Officers Visit to Hear from Scripps Researchers (01/23/20)
Scripps Institution of Oceanography, Air Force, NOAA to Fly into Atmospheric River Storms Over Pacific Ocean this Winter (01/23/20)
CW3E Publication Notice: Tracking Atmospheric Rivers Globally: Spatial Distributions and Temporal Evolution of Life Cycle Characteristics (01/22/20)
CW3E AR Update: 21 January 2020 Outlook (01/21/20)
CW3E Personnel Present at the 25th United Nations Conference of the Parties (01/17/20)
CW3E AR Update: 15 January 2020 Outlook (01/15/20)
Forecast Informed Reservoir Operations Town Hall Held at the American Meteorological Society 100th Annual Meeting (01/14/20)
CW3E Publication Notice: Ridging Associated with Drought Across the Western and Southwestern United States: Characteristics, Trends, and Predictability Sources (01/07/20)
CW3E Publication Notice: A Case Study of the Physical Processes Associated with the Atmospheric River Initial Condition Sensitivity from an Adjoint Model (01/06/20)
CW3E Publication Notice: Training the Next Generation of Researchers in the Science and Application of Atmospheric Rivers (01/03/20)
Odds of Reaching 100% Normal Water Year Precipitation - January Update (01/01/20)

CW3E Event Summary: 22-27 December 2019 (12/31/19)
CW3E Event Summary: 19-22 December 2019 (12/29/19)
CW3E Graduate Student Speaks at Instituto Dom Luiz in Portugal (12/23/19)
CW3E AR Update: 23 December Quick Look (12/23/19)
Yuba Water Partners With Scripps, DWR ON New Atmospheric River Research (12/23/19)
CW3E Participates in Thriving Earth Exchange Project (12/19/19)
CW3E AR Update: 19 December Quick Look (12/19/19)
CW3E at AGU 2019 (12/18/19)
CW3E AR Update: 17 December 2019 Outlook (12/17/19)
CW3E Scientist Dr. Mike DeFlorio Participates in 2nd Meridional Modes Workshop and High School Science Outreach Activity (12/16/19)
CW3E AR Update: 10 December 2019 Outlook (12/10/19)
CW3E Event Summary: 6-8 December 2019 (12/09/19)
CW3E AR Update: 5 December 2019 Outlook (12/05/19)
CW3E Publication Notice: A new satellite-based global climatology of dust aerosol optical depth (12/05/19)
CW3E Publication Notice: Atmospheric rivers drive flood damages in the western United States (12/05/19)
CW3E AR Update: 4 December Quick Look (12/04/19)
CW3E AR Update: 3 December 2019 Outlook (12/03/19)
CW3E Event Summary: 30 November - 2 December 2019 (12/02/19)
CW3E Publication Notice: Characteristics, Origins, and Impacts of Extreme Summertime Precipitation in the Lake Mead Watershed (12/02/19)
Odds of Reaching 100% Normal Water Year Precipitation - December Update (12/01/19)
CW3E AR Update: 27 November 2019 Event Summary & Outlook (11/27/19)
CW3E AR Update: 26 November Quick Look (11/26/19)
CW3E AR Update: 25 November 2019 Outlook (11/25/19)
CW3E Publication Notice: The Atmospheric River Tracking Method Intercomparison Project (ARTMIP): Quantifying Uncertainties in Atmospheric River Climatology (11/25/19)
CW3E Post-Event Summary: 19-22 November 2019 (11/25/19)
CW3E Field Team Starts Meteorology and Radar Instrument Installations in Feather and Yuba Watersheds (11/22/19)
Water Education Foundation Article Highlights Forecast Informed Reservoir Operations (11/21/19)
CW3E Welcomes Dr. Ty Brandt (11/20/19)
CW3E Outlook: 17-22 Nov Cutoff Low (11/19/19)
CW3E Welcomes Patrick Mulrooney (11/19/19)
CW3E Hosts 11th Annual Winter Outlook Workshop Sponsored by California DWR (11/15/19)
CW3E at Northern California Post-Wildfire Processes Meeting (11/12/19)
CW3E Personnel Greet Delegation Visiting from China (11/12/19)
CW3E Publication Notice: A decade of terrestrial water storage changes across the contiguous United States from GPS and GRACE (11/07/19)
CW3E Post-Event Summary: Upper Colorado River Basin October Snowfall (11/5/19)
CW3E Affiliate, Andrew Martin, Interviewed on Pacific Northwest Atmospheric Rivers (11/4/19)
Odds of Reaching 100% Normal Water Year Precipitation - November Update (11/1/19)
CW3E Publication Notice: Experimental Subseasonal-to-Seasonal (S2S) Forecasting of Atmospheric Rivers Over the Western United States (10/31/19)
Distribution of Landfalling Atmospheric Rivers over the U.S. West Coast During Water Year 2019: End of Water Year Summary (10/23/19)
CW3E Post-Event Summary: 16-22 October 2019 (10/23/19)
CW3E Participates in 3rd ARTMIP Workshop (10/21/19)
CW3E AR Update: 17 October Outlook (10/17/19)
CW3E Publication Notice: SKRIPS v1.0: A Regional Coupled Ocean–Atmosphere Modeling Framework (MITgcm–WRF) Using ESMF/NUOPC, Description and Preliminary Results for the Red Sea (10/15/19)
CW3E Lead Engineer Receives Service Award (10/07/19)
CW3E Welcomes Ava Cooper (10/01/19)
CW3E Post Event Summary: 22-26 Sep 2019 (09/27/19)
CW3E Event Summary: 23-25 Sep 2019 (09/25/19)
CW3E Publication Notice: Atmospheric River Families: Definition and Associated Synoptic Conditions (09/16/19)
CW3E Publication Notice: Linking Bay Area Landslides and Atmospheric Rivers (09/12/19)
CW3E Welcomes Christopher Castellano (09/11/19)
Congratulations to Dr. Lamjiri – CW3E Graduate Student Successfully Defends Dissertation (09/10/19)
CW3E Publication Notice: Improving Atmospheric River Forecasts with Machine Learning (08/27/19)
CW3E Director Participates in Alaska AR Webinar (08/22/19)
Dr. Marty Ralph Shares News of Atmospheric Storm Scale with SBC Water Conference Attendees (08/20/19)
Sixth Annual FIRO Workshop (08/12/19)
CW3E in the News (08/02/19)
CW3E AR Update: 01 August Outlook (08/01/19)
CW3E Publication Notice: 2018 International Atmospheric Rivers Conference: Multi-disciplinary studies and high-impact applications of atmospheric rivers (07/30/19)
CW3E Welcomes Carly Ellis (07/25/19)
CW3E Welcomes Dr. Alison Cobb (07/23/19)
CW3E Publication Notice: Rapid Cyclogenesis from a Mesoscale Frontal Wave on an Atmospheric River: Impacts on Forecast Skill and Predictability during Atmospheric River Landfall (07/16/19)
CW3E Publication Notice: Atmospheric Rivers to Become Even More Dominant Source of California Water Resources and Flooding (07/09/19)
Week 2 of the AR Colloquium is Underway! (07/03/19)
CW3E Publication Notice: The role of hydrological initial conditions on Atmospheric River floods in the Russian River basin (06/27/19)
AR Recon Officially Called for in the National Winter Season Operations Plan (07/01/19)
The AR Colloquium Summer School Kicks-Off (06/27/19)
CW3E Participates in U.S. State Department-sponsored Foreign Ambassador Visit (06/26/19)
CW3E Invited to Present at the California Utility Forecasting Meeting (06/25/19)
CW3E Publication Notice: A critical examination of a newly proposed interhemispheric teleconnection to Southwestern US winter precipitation (06/23/19)
CW3E Director Interviewed for LA Times Article on the Interference of 5G Frequencies with Weather Forecasts (06/20/19)
CW3E Publication Notice: The Effect of El Niño on Flood Damages in the Western United States (06/19/19)
CW3E Participates in ECMWF’s Workshop on Observational Campaigns for Better Weather Forecasts (06/14/19)
AMS Broadcast Conference Attendees Visit CW3E (06/13/19)
CW3E Graduate Student Attends the American Meteorological Society Summer Policy Colloquium (06/11/19)
Climate Projections and Community Resilience: CW3E Explores the Yampa River Basin (06/06/19)
CW3E Graduate Student Returns as an Alumnus for the Rocky Mountain Science and Sustainability Network Summer Academy (05/31/19)
CW3E Graduate Student presents at Workshop on Correlated Extremes (05/31/19)
Sharing Science on World Oceans Day (05/28/19)
CW3E Graduate Student Selected for National Center for Atmospheric Research Graduate Visitor Program, March-May 2019 (05/20/19)
CW3E AR Update: 17 May Outlook (05/17/19)
Atmospheric Rivers Are Back. That’s Not a Bad Thing. (05/16/19)
CW3E AR Update: 16 May Quick Look (05/16/19)
CW3E Publication Notice: A Deficit of Seasonal Temperature Forecast Skill over West Coast Regions in NMME (05/14/19)
CW3E's Anna Wilson Featured on AGU's On the Job Blog (05/14/19)
CW3E AR Update: 13 May Outlook (05/13/19)
Water Year 2019: April Atmospheric Rivers (05/08/19)
FIRO Panel Held at 2019 Annual California Water and Environmental Modeling Forum (05/01/19)
CW3E Participates in UP Summit (04/25/19)
CW3E Hosts Annual Meeting (04/22/19)
AR Recon 2019 - Drifting Buoy Project Highlighted in ECMWF Spring 2019 Newsletter (04/19/19)
Odds of Reaching 100% Water Year Precipitation - April Update (04/11/19)
CW3E AR Update: 9 April Summary (04/09/19)
Water Year 2019: March Atmospheric Rivers (04/09/19)
CW3E Publication Notice: Contrasting Local and Long-Range Transported Warm Ice-Nucleating Particles During an Atmospheric River in Coastal California, USA (04/05/19)
CW3E AR Update: 2 April Outlook (04/02/19)
Southwest Extreme Precipitation Symposium (SWEPSYM) (04/01/19)
CW3E Welcomes Dr. Daniel Steinhoff (03/21/19)
Odds of Reaching 100% Water Year Precipitation - March Update (03/08/19)
Water Year 2019: February Atmospheric Rivers (03/07/19)
CW3E AR Update: 05 March Quick Look (03/05/19)
CW3E AR Update: 25-27 February Post Event Summary (02/28/19)
CW3E AR Update: 27 February Preliminary Summary (02/27/19)
CW3E AR Update: 27 February Quick Look (02/27/19)
CW3E AR Update: 26 February Quick Look (02/26/19)
CW3E AR Update: 25 February Outlook (02/25/19)
CW3E AR Update: 22 February Outlook (02/22/19)
Water Year 2019: January Atmospheric Rivers (02/18/19)
CW3E Welcomes Dr. Allison Michaelis (02/16/19)
CW3E AR Update: 13-15 February Summary (02/15/19)
CW3E AR Update: 14 February Quick Look (02/14/19)
CW3E AR Update: 13 February Quick Look (02/13/19)
CW3E AR Update: 12 February Quick Look (02/12/19)
CW3E AR Update: 11 February Outlook (02/11/19)
Odds of Reaching 100% Water Year Precipitation - February Update (02/08/19)
Congratulations to Four CW3E Members Who Recently Transitioned into New Academic and Private Sector Positions (02/07/19)
Snow Summary: 1-6 February 2019 (02/07/19)
CW3E AR Cat Summary: 02 February 2019 (02/07/19)
CW3E’s Field Campaign Highlighted as Scripps Photo of the Week (02/07/19)
CW3E Releases New Scale to Characterize Strength and Impacts of Atmospheric Rivers (02/05/19)
CW3E AR Update: 02 February 2019 Post Event Summary (02/05/19)
CW3E Fieldwork Season Begins (01/23/19)
Water Year 2019: December Atmospheric Rivers (01/18/19)
CW3E AR Update: 15 January Outlook (01/15/19)
CW3E AR Update: 10 January Summary and Outlook (01/10/19)
Odds of Reaching 100% Water Year Precipitation - January Update (01/10/19)
CW3E AR Update: 7 January Outlook (01/07/19)
Rivers in the Sky: What You Need to Know About Atmospheric River Storms (01/07/19)
CW3E AR Update: 4 January Outlook (01/04/19)
CW3E Publication Notice: Hourly Analyses of the Large Storms and Atmospheric Rivers that Provide Most of California’s Precipitation in Only 10-100 Hours per Year (01/02/19)

CW3E Publication Notice: Hydroclimatic Extremes as Challenges for the Water Management Community: Lessons from Oroville Dam and Hurricane Harvey (12/20/18)
Water Year 2019: November Atmospheric Rivers (12/18/18)
CW3E Graduate Students Participate in the United Nations Convention in Poland (12/14/18)
CW3E AR Update: 5-7 December 2018 Summary (12/11/18)
CW3E participates in California Department of Water Resources (DWR) Workshop: Water Year 2019: Feast or Famine? (12/10/18)
CW3E Publication Notice: Atmospheric Rivers Impacting Northern California and their Modulation by a Variable Climate (12/10/18)
Odds of Reaching 100% Water Year Precipitation - December Update (12/05/18)
CW3E AR Update: 27 November Outlook (11/27/18)
CW3E AR Update: 21 November Outlook (11/21/18)
CW3E AR Update: 20 November Outlook (11/20/18)
CW3E AR Update: 19 November Outlook (11/19/18)
CW3E AR Update: 16 November Outlook (11/16/18)
FIRO Highlighted at Kansas Governor's Conference on the Future of Water in Kansas (11/15/18)
CW3E Welcomes Mike Deflorio (11/14/18)
CW3E Publication Notice: Circulation drivers of atmospheric rivers at the North American West Coast (11/13/18)
Water Year 2019: October Atmospheric Rivers (11/08/18)
Army Corps of Engineers approves request to allow more winter storage in Lake Mendocino (11/08/18)
Odds of Reaching 100% Water Year Precipitation - November Update (11/08/18)
CW3E and DWR Co-Host the Winter Outlook Workshop (11/06/18)
CW3E Graduate Student, Tashiana Osborne, Highlighted in the Scripps Student Spotlight (11/05/18)
CW3E and #ProjectPhenomena Develop K-12 Lessons on CA Precipitation and ARs (11/01/18)
CW3E Welcomes Alisa Valderrama (10/22/18)
CW3E Publication Notice: Quantification of the impacts of Atmospheric Rivers on precipitation over southern South America (10/15/18)
UCAR/NCAR 2nd Annual visit to CW3E (10/12/18)
Distribution of Landfalling Atmospheric Rivers on the U.S. West Coast During Water Year 2018: End of Water Year Summary (10/08/18)
CW3E Publication Notice: The Relationship between Extratropical Cyclone Strength and Atmospheric River Intensity and Position (10/04/18)
CW3E Publication Notice: Origins and Variability of Extreme Precipitation in the Santa Ynez River Basin of Southern California (09/25/18)
CW3E Publication Notice: ARTMIP-Early Start Comparison of Atmospheric River Detection Tools: How Many Atmospheric Rivers Hit Northern California’s Russian River Watershed? (09/17/18)
CW3E Graduate Student Selected for a NASA Goddard Space Flight Center Internship (09/14/18)
CW3E Research Highlighted in a Story on Atmospheric Rivers in Earth Magazine (09/06/18)
CW3E Welcomes Dr. Luca Delle Monache (08/31/18)
CW3E Welcomes Dr. Edwin Sumargo (08/30/18)
CW3E Publication Notice: Assessment of Numerical Weather Prediction Model Reforecasts of the Occurrence, Intensity, and Location of Atmospheric Rivers along the West Coast of North America (08/24/18)
CW3E Publication Notice: Empirical Return Periods of the Most Intense Vapor Transports during Historical Atmospheric River Landfalls on the U.S. West Coast (08/21/18)
CW3E Tables at the Ecologik Program Summer Science Experience (08/13/18)
5th Annual Workshop on Forecast-Informed Reservoir Operations for Lake Mendocino (08/13/18)
CW3E Publication Notice: The Gauging and Modeling of Rivers in the Sky (08/08/18)
Russian River Drought Readiness Report (08/07/18)
CW3E Graduate Student Selected for National Water Center Summer Institute Fellowship (08/03/18)
CW3E Publication Notice: A 22-Year Climatology of Cool Season Hourly Precipitation Thresholds Conducive to Shallow Landslides in California (07/31/18)
CW3E Attends MPAS Tutorial at NCAR (07/30/18)
CW3E Presents at UCSD’s U.S.-China Future Leaders Summer Program (07/26/18)
CW3E Publication Notice: Global Evaluation of Atmospheric River Subseasonal Prediction Skill (07/26/18)
CW3E Graduate Student Serves as GELS Instructor (07/18/18)
CW3E Graduate Student Selected to Participate in the 9th International High Performance Computing Summer School (07/17/18)
CW3E Welcomes Dr. Tom Corringham (07/16/18)
CW3E Director Honored at California Extreme Precipitation Symposium (07/10/18)
CW3E Publication Notice: Atmospheric River Tracking Method Intercomparison Project (ARTMIP): Project Goals and Experimental Design (07/09/18)
CW3E Hosts Student Workshop on AR Forecasting (07/02/18)
CW3E Publication Notice: The Role of Atmospheric Rivers in Extratropical and Polar Hydroclimate (06/28/18)
2nd International Atmospheric Rivers Conference, June 25-28, 2018 (06/22/18)
CW3E Graduate Student Attends the American Meteorological Society Summer Policy Colloquium (06/12/18)
Weather, Water and Society on the Colorado River: CW3E Explores the Yampa River Basin (06/11/18)
Odds of Reaching 100% Water Year Precipitation - June Update (06/08/18)
CW3E Publication Notice: Global Analysis of Climate Change Projection Effects on Atmospheric Rivers (05/24/18)
CW3E Graduate Student Named AGU Voices for Science Advocate (05/21/18)
CW3E Participates in the UP Summit at UC San Diego (05/20/18)
CW3E Undergraduate Student Presents Research at Conference (05/09/18)
CW3E Staff Member Attends Russian River Science Forum (05/03/18)
Odds of Reaching 100% Water Year Precipitation - May Update (05/02/18)
Distribution of Landfalling Atmospheric Rivers on the U.S. West Coast During Water Year 2018 (05/01/18)
CW3E Participates in Second ARTMIP Workshop (04/26/18)
CW3E Director Featured in the Water Zone Podcast on KCAA San Bernardino (04/25/18)
CW3E Hosts Third Annual Meeting (04/20/18)
CW3E Publication Notice: Evaluation of Atmospheric River Predictions by the WRF Model Using Aircraft and Regional Mesonet Observations of Orographic Precipitation and Its Forcing (04/16/18)
Odds of Reaching 100% Water Year Precipitation - April Update (04/10/18)
CW3E AR Update: 04 April 2018 Outlook (04/04/18)
CW3E co-Hosts Inaugural Southwest Extreme Precipitation Symposium (04/03/18)
CW3E AR Update: 03 April 2018 Outlook (04/03/18)
CW3E AR Update: 02 April 2018 Outlook (04/02/18)
International Atmospheric Rivers Conference 2018 – Abstract Submission and Registration Open Now! (03/27/18)
CW3E AR Update: 23 March 2018 Post Event Summary (03/23/18)
CW3E AR Update: 22 March 2018 Outlook (03/22/18)
CW3E AR Update: 21 March 2018 Outlook (03/21/18)
CW3E AR Update: 20 March 2018 Outlook (03/20/18)
CW3E AR Update: 19 March 2018 Outlook (03/19/18)
CW3E AR Update: 16 March 2018 Outlook (03/16/18)
CW3E AR Update: 15 March 2018 Outlook (03/15/18)
CW3E AR Update: 7 March 2018 Outlook (03/07/18)
CW3E Publication Notice: High-Elevation Evapotranspiration Estimates During Drought: Using Streamflow and NASA Airborne Snow Observatory SWE Observations to Close the Upper Tuolumne River Basin Water Balance (03/05/18)
CW3E Publication Notice: Global Assessment of Atmospheric River Prediction Skill (02/27/18)
CW3E Welcomes Dr. Nora Mascioli (02/20/18)
CW3E AR Update: 16 February 2018 Post Event Summary (02/16/18)
CW3E Launches Near Real-Time AR and QPF Forecast Verification Website (02/13/18)
CW3E Publication Notice: Genesis, Pathways, and Terminations of Intense Global Water Vapor Transport in Association with Large-Scale Climate Patterns (02/13/18)
Atmospheric River Reconnaissance - 2018 is Underway (02/08/18)
CW3E Graduate Student Attends the RIKEN International School on Data Assimilation Workshop (02/02/18)
CW3E Publication Notice: Characterizing Drought in California: new drought indices and scenario-testing in support of resource management (02/02/18)
CW3E Publication Notice: An Inter-comparison Between Reanalysis and Dropsonde Observations of the Total Water Vapor Transport in Individual Atmospheric Rivers (02/02/18)
CW3E Represented at the National Council for Science and the Environment National Conference and Global Forum (01/29/18)
CW3E AR Update: 27 January 2018 Outlook (01/27/18)
CW3E Launches Interactive AR Rain Versus Snow Forecast Maps and Watershed Plots (01/26/18)
Meteorological Conditions Associated with the Deadly 9 January 2018 Debris Flow on the Thomas Fire Burn Area Impacting Montecito, CA: A Preliminary Analysis (01/16/18)
CW3E AR Update: 8-10 January 2018 Post Event Summary (01/11/18)
CW3E Fieldwork Season Begins (01/10/18)
Odds of Reaching 100% of Normal Precipitation for Water Year 2018 (January Update) (01/08/18)
CW3E AR Update: 8 January 2018 Outlook (01/08/18)
CW3E AR Update: 3 January 2018 Outlook (01/03/18)

CW3E Director Featured in Weather Channel Article on ARs (12/22/17)
CW3E Welcomes Dr. Ali Hamidi (12/20/17)
Hunting Atmospheric Rivers; UC San Diego Scientists Preparing to Capture Data From Critical Source of California's Water Supply (12/15/17)
CW3E AR Outlook: 14 December 2017 Ridge Update (12/14/17)
Odds of Reaching 100% of Normal Precipitation for Water Year 2018 (December Update) (12/08/17)
CW3E Publication Notice: GPM Satellite Radar Measurements of Precipitation and Freezing Level in Atmospheric Rivers: Comparison with Ground-Based Radars and Reanalyses (12/06/17)
CW3E Publication Notice: Flood runoff in relation to water vapor transport by atmospheric rivers over the western United States (12/01/17)
CW3E AR Update: 20 November 2017 Outlook and Summary (11/20/17)
CW3E AR Update: 17 November 2017 Outlook and Summary (11/17/17)
Lake Mendocino Forecast Informed Reservoir Operations Steering Committee Submit Major Deviation Request (11/15/17)
CW3E AR Update: 14 November 2017 Outlook (11/14/17)
CW3E AR Update: 8 November 2017 Outlook (11/08/17)
CW3E Hosts California DWR Winter Outlook Workshop (11/06/17)
Atmospheric Rivers Highlighted in the U.S. Fourth National Climate Assessment (11/06/17)
CW3E AR Update: 3 November 2017 Outlook (11/03/17)
FIRO Steering Committee Co-Chairs Provide In-depth Briefing to USACE (11/02/17)
CW3E Welcomes Dr. Leah Campbell (11/01/17)
CW3E AR Update: 31 October 2017 Outlook (10/31/17)
CW3E AR Update: 18-23 October 2017 Summary (10/26/17)
CCW3E Graduate Student Participates in 18th Biennial Cyclone Workshop (10/24/17)
CW3E Graduate Student to Participate in United Nations Convention Next Month (10/23/17)
CW3E AR Update: 18 October 2017 Outlook (10/18/17)
CW3E, UCAR, and NCAR Meet to Discuss West-WRF Regional Model Development (10/09/17)
CW3E Graduate Student Accepted into Science Policy Fellows Program (10/03/17)
“Fall” Starts With a Bang in NW Colorado! (10/02/17)
CW3E Releases New Interactive Geospatial Observation and Forecast Maps (09/18/17)
CW3E Publication Notice: Dropsonde Observations of Total Integrated Water Vapor Transport within North Pacific Atmospheric Rivers (09/14/17)
CW3E Publication Notice: The Chiricahua Gap and the Role of Easterly Water Vapor Transport in Southeastern Arizona Monsoon Precipitation (09/13/17)
CW3E Publication Notice: Characterizing the Influence of Atmospheric River Orientation and Intensity on Precipitation Distribution over North-Coastal California (09/12/17)
CW3E Accepted as a National Oceanic and Atmospheric Administration Weather-Ready Nation Ambassador (09/07/17)
CW3E Field Team Beats the Heat, Installs Meteorology and Hydrology Instruments in Russian River Watershed (09/06/17)
CW3E Field Trip to Experience the North American Monsoon in Southern Arizona (08/14/17)
Sonoma County Water Agency Board of Directors Chairwoman, Zane, testifies on FIRO before Senate Committee (08/02/17)
American Geophysical Union Publishes Collection of Atmospheric River Publications in Geophysical Research Letters (07/27/17)
CW3E Publication Notice: Hourly Storm Characteristics along the U.S. West Coast: Role of Atmospheric Rivers in Extreme Precipitation (07/10/17)
CW3E Begins Installation of Instrumentation in the Russian River Watershed (07/07/17)
CW3E Participates in Western States Water Council Visit to UC Davis' Bodega Marine Lab (07/01/17)
CW3E Graduate Students Complete Advanced Study Program in Colorado (06/29/17)
CW3E Welcomes Dr. Aneesh Subramanian (06/29/17)
CW3E Undergraduate Researcher, Cody Poulsen, Awarded a SDEP Excellence Award (06/28/17)
CW3E welcomes Dr. Liza Díaz-Issac (06/19/17)
CW3E AR Update: 06 June 2017 Outlook (06/06/17)
CW3E AR Update: 05 June 2017 Outlook (06/05/17)
CW3E Update: Flood Risk From Snow Melt (05/23/17)
Atmospheric Rivers: Recent Developments and Applications in California (05/19/17)
CW3E Outreach at Local Elementary School (05/15/17)
1st ARTMIP Workshop held at SIO (05/15/17)
Graduate Student Tashiana Osborne Represents UCSD at the California State Capitol (05/03/17)
CW3E Welcomes Dr. Zhenhai Zhang (04/21/17)
May 31 - June 2 Big Data and The Earth Sciences: Grand Challenges Workshop (04/17/17)
CW3E Launches Radiosonde with Potter Valley Elementary School Students (04/16/17)
Key California Precipitation Index Hits Record Yearly Level After Only 7 Months (04/13/17)
CW3E Shares Science with Prospective Students at Triton Day (04/13/17)
CW3E Publication Notice: High-Impact Hydrologic Events and Atmospheric Rivers in California: An Investigation using the NCEI Storm Events Database (04/12/17)
CW3E AR Update: 11 April 2017 Outlook (04/11/17)
How Many Atmospheric Rivers Have Hit the U.S. West Coast During the Remarkably Wet Water Year 2017? (04/06/17)
Odds of Reaching 100% Water Year Precipitation - April Update (04/06/17)
CW3E AR Update: 04 April 2017 Outlook (04/04/17)
CW3E Visits the NWS California Nevada River Forecast Center (03/31/17)
CW3E AR Update: 16 March 2017 Outlook (03/16/17)
Odds of Reaching 100% Water Year Precipitation - Mar Update (03/08/17)
Director of CW3E to Present at Birch Aquarium (03/07/17)
Current Winter Setting a New California-Wide Record Precipitation Accumulation (03/07/17)
CW3E AR Update: 28 February 2017 Post Event Summary and Outlook (02/28/17)
CW3E AR Update: 22 February 2017 Post Event Summary (02/22/17)
CW3E AR Update: 17 February 2017 Outlook (02/17/17)
CW3E AR Update: 16 February 2017 Outlook (02/16/17)
CW3E AR Update: 15 February 2017 Outlook (02/15/17)
CW3E AR Update: 13 February 2017 Outlook (02/13/17)
CW3E AR Update: 09 February 2017 Outlook (02/09/17)
Recent AR Reaches R-Cat 2 Strength (02/09/17)
Odds of Reaching 100% of Normal Precipitation for Water Year 2017 (February update) (02/09/17)
CW3E AR Update: 08 February 2017 Outlook (02/08/17)
CW3E AR Update: 07 February 2017 Outlook (02/07/17)
CW3E AR Update: 06 February 2017 Outlook (02/06/17)
CW3E AR Update: 01 February 2017 Outlook (02/01/17)
Water year 2017 Precipitation (01/24/17)
CW3E AR Update: 19 January 2017 Outlook (01/19/17)
CW3E AR Update: 17 January 2017 Outlook (01/17/17)
CW3E AR Update: 11 January 2017 Outlook (01/11/17)
CW3E in the News (01/10/17)
Where was the most extreme precipitation yesterday in the West? (01/10/17)
CW3E AR Update: 9 January 2017 Outlook and Summary (01/09/17)
Odds of Reaching 100% of Normal Precipitation for Water Year 2017 (January update) (01/09/17)
CW3E AR Update: 6 January 2017 Outlook (01/06/17)
CW3E welcomes Dr. Minghua Zheng (01/06/17)
CW3E AR Update: 5-10 January 2017 Outlook (01/05/17)
CW3E AR Update: 4-10 January 2017 Outlook (01/05/17)

CW3E AR Update: 23-25 December 2016 Outlook (12/22/16)
CW3E AR Update: 16 December 2016 Outlook (12/16/16)
CW3E AR Update: 15-17 December 2016 Outlook (12/15/16)
CW3E AR Update: 14-17 December 2016 Outlook (12/14/16)
CW3E AR Update: 13-17 December 2016 Outlook (12/13/16)
Odds of Reaching 100% of Normal Precipitation for Water Year 2017 (December update) (12/9/16)
CW3E AR Update: 9-13 December 2016 Outlook (12/9/16)
CW3E partners with CDWR, CGS, USGS, and WRCC to assess post-fire debris flow hazards in CA (12/2/16)
CW3E Water Year 2017 Precipitation (December Update) (12/1/16)
Publication Notice: CalWater Field Studies Designed to Quantify the Roles of Atmospheric Rivers and Aerosols in Modulating U.S. West Coast Precipitation in a Changing Climate (11/28/16)
October 2016 Summary: Record Breaking Precipitation (11/23/16)
Publication Notice: Forecasting Atmospheric Rivers during CalWater 2015 (11/22/16)
CW3E Hosts Winter Outlook Workshop with California DWR (11/18/16)
CW3E AR Update: Post-Event Summary: 4-9 November 2016 (11/14/16)
CW3E Congratulates Undergraduate Itzel Gomez on Research Award (11/08/16)
CW3E AR Update: 4-9 November, 2016 Outlook (11/04/16)
CW3E AR Update: Post-Event Summary: 14-17 October 2016 (10/20/16)
CW3E Welcomes Chad Hecht (10/17/16)
CW3E Welcomes Dr. Forest Cannon (10/17/16)
CW3E Water Year 2016 Summary (10/15/16)
CW3E AR Update: 14 October 2016 Summary and Outlook (10/14/16)
CW3E AR Update: 13-15 October 2016 Outlook (10/12/16)
CW3E Represented at NWS San Diego's WeatherFest 2016 (09/22/16)
CW3E Publication Notice: Historical and Future Relationship Between Large Storms and Droughts in California (08/16/16)
CW3E Welcomes Dr. Brian Henn (08/08/16)
CW3E Welcomes Dr. Rachel Weihs (08/08/16)
The First International Atmospheric Rivers Conference (08/08/16)
Congressional Briefing on “A New Frontier in Water Operations: Atmospheric Rivers, Subseasonal-to-Seasonal Predictions and Weather Forecasting Technology” (07/27/16)
Publication Notice: Extreme Daily Precipitation in the Northern California Upper Sacramento River Watershed Requires a Combination of a Landfalling Atmospheric River and a Sierra Barrier Jet (07/18/16)
Lake Mendocino Forecast-Informed Reservoir Operations (FIRO) Workshop Summary (07/05/16)
CW3E Represented in Recent Policy and Program Meetings (06/08/16)
CW3E Welcomes Dr. Anna Wilson (06/01/16)
Publication Notice: An Airborne and Ground-Based Study of a Long-Lived and Intense Atmospheric River with Mesoscale Frontal Waves Impacting California during CalWater-2014 (05/10/16)
CW3E Welcomes Dr. Scott Sellars (04/25/16)
CW3E AR Update – Post-Event Summary: 7-10 April 2016 (04/14/16)
Odds of reaching 100% of normal precipitation for water year 2016 in California (April update) (04/11/16)
CW3E AR Update – Outlook: 7-10 April 2016 (04/7/16)
Publication Notice: Predictability of horizontal water vapor transport relative to precipitation: Enhancing situational awareness for forecasting western U.S. extreme precipitation and flooding (3/17/16)
CW3E AR Update – Post-Event Summary: 5-6 March 2016 (03/11/16)
CW3E R-Cat Alerts: Automated Notification of Heavy Precipitation Events (03/10/16)
CW3E AR Update – Outlook: 10-11 March 2016 (03/10/16)
Odds of reaching 100% of normal precipitation for water year 2016 in California (March update). (03/10/16)
CW3E AR Update – Outlook: 5-7 March 2016 (03/04/16)
CW3E AR Update – Outlook: 3 March 2016 (03/03/16)
The Washington Post Capital Weather Gang features CW3E and AR mission (02/18/16)
Reconnaissance Flights Into Atmospheric Rivers Aim To Improve West Coast Storm Predictions (02/13/16)
Odds of reaching 100% of normal precipitation for water year 2016 in California. (02/08/16)
Setting the stage for a global science of atmospheric rivers (01/25/16)
AR storms impact northern California: January 12-15 (01/15/16)
Recent Rainy Week in San Diego County (01/08/16)
A Preliminary Synopsis of the 5 January 2016 Atmospheric River (01/05/16)

Pacific Northwest Atmospheric River of 13-15 November, 2015 (11/25/15)
A preliminary summary of Highway 58 and I-5 flooding event of October 15, 2015 (10/27/15)
Improving Understanding of Atmospheric Rivers: Legislation Authorized ... (10/13/15)
Southern California Storm of 18-20 July 2015: A Synopsis of Record Breaking Precipitation (7/24/15)
California Storm of 10-12 December 2014: A Synopsis (7/10/15)
Publication Notice: Climate Change Intensification of Horizontal Water Vapor .... (6/25/15)
Atmospheric Rivers Workshop: 15-17 June 2015 (6/19/15)
Publication Notice: The Inland Penetration of Atmospheric Rivers ... (6/15/15)
Closed Low Event May 6-10: A Preliminary Synopsis (5/15/15)
Publication Notice: Climatology of Extreme Daily Precipitation in Colorado and ... (5/5/15)
"Atmospheric Rivers": Rising Interest in Science and the Media (4/25/15)
Resilience in a Changing Climate: Sonoma County Adaptation Forum (4/15/15)
CW3E welcomes Brian Kawzenuk (3/30/15)
Sonoma County Water Agency (SCWA) video posted about Atmospheric Rivers (ARs) (3/4/15)
DWR video posted about CalWater and ARs (2/27/15)
California Precipitation: summary handout (2/8/15)
CalWater 2015 is underway - Update from Dr. Marty Ralph (1/27/15)
LA Times: Focus on ARs and CW2-ACAPEX (1/2/15)
CalWater-2/ARM Cloud Aerosol Precipitation Experiment (ACAPEX): AGU session (1/2/15)

First International Atmospheric Rivers Conference (12/22/14)
California Storm of 10-12 December 2014: A Preliminary Synopsis ... (12/12/14)
Rain for Thirsty California: USGS Front Page story (12/10/14)
Publication Notice: The role of atmospheric rivers in anomalous snow accumulation ... (12/4/14)
Short diagnosis of development of a tropic surge, cut-off low and AR features (12/2/14)
Flooding in the Pacific Northwest: R-CAT 2 event (11/30/14)
Publication Notice: Climatological Characteristics of Atmospheric Rivers ... (10/31/14)
El Nino Impacts and Outlook: October 2014 (10/29/14)
Heavy rain in the Pacific northwest (10/27/14)
California Drought: 4th driest water year depletes reservoirs (10/01/14)
CW3E Spotlight: CW3E welcomes Dr. Julie Kalansky (09/28/14)
Publication Notice: An Airborne Study of an Atmospheric River over the Subtropical Pacific ... (09/14)
CW3E Spotlight: CW3E welcomes Dr. David Lavers (09/12/14)
CW3E Spotlight: CW3E welcomes Dr. Andrew Martin (08/12/14)
NASA NEWS program selects joint JPL+CW3E AR proposal (08/28/14)
CW3E congratulates Mike Dettinger - 2014 AGU Fellow (07/30/14)
Sonoma County Water Agency (SCWA) and SIO establish a Cooperative Agreement (07/14)
CW3E Spotlight: CW3E welcomes Reuben Demirdjian (06/24/14)
CalWater 2015 Advanced Planning Workshop at Scripps (06/10/14)
Publication Notice: Chemical properties of insoluble precipitation residue particles (05/27/14)
CalWater2-ACAPEX Workshop at Scripps (05/02/14)
ClimateWire feature story on CW3E and Director Marty Ralph (05/01/14)
Publication Notice: Atmospheric Rivers and Greenland Melt Episodes (04/28/14)
Publication Notice: Vision for Future Observing Networks (04/25/14)
Atmospheric Rivers: Drought Busters (04/17/14)
Who Rules California's Russian River? (03/31/14)
UPDATED: Researcher Mike Dettinger examines likelihood of drought end (03/21/14)
Dust Storms Enhancing California's Precipitation (03/12/14)
Federal Rules Complicate Water Management (02/27/14)
Scripps researchers take flight (02/24/14)
CW3E Spotlight: CW3E Welcomes Dr. Ryan Spackman (02/12/14)
Researcher Mike Dettinger examines likelihood of drought end (02/11/14)
Atmospheric River impacting California (02/09/14)
CA Governor declares drought emergency (01/17/14)
Publication Notice: Climate link to Atmospheric Rivers (11/25/13)
Partnership with Sonoma County Water Agency (11/21/13)
CW3E Hosts Strategic Planning Meeting (10/11/13)
Dr. Ralph Addresses at Drought Response Workshop(10/11/13)
Colorado Flooding(09/17/13)
Test Beds Linking Research and Forecasting(09/10/13)