CW3E is currently experiencing unexpected computational issues. As a result the products displayed on the website may not update as expected. We are working on resolving the issue as soon as possible and apologize for the inconvenience.

Media Portal
Current Conditions
AR Reconnaissance
Model Forecasts

AR Scale Forecasts

Forecast products based on the AR Scale

Atmospheric River Forecasts

Multi-Model Deterministic and Ensemble Forecasts of IVT and Water Vapor Flux

Interactive Maps

Interactive tool to view unique observations and forecast products

CW3E News

CW3E Precipitation Update: 9 October 2025 Outlook
CW3E Publication Notice: Comparison of GOES-17 Atmospheric Motion Vectors With AR Recon Dropsonde Data and Assessment of Wind Fields in the Global Forecast System During Atmospheric River Events
CW3E Forecast Update: 7 October 2025 Quick Look
CW3E Welcomes Dr. Wen-Shu Lin
CW3E Publication Notice: Leveraging the Atmospheric River Framework to Categorize Top-Decile Precipitation Regimes in Colorado
CW3E Quick Summary: 28 September - 4 October 2025
PlayPause
previous arrow
next arrow
 

Oct 9: CW3E Precipitation Update: 9 October 2025 Outlook
Oct 9: CW3E Publication Notice: Comparison of GOES-17 Atmospheric Motion Vectors With AR Recon Dropsonde Data and Assessment of Wind Fields in the Global Forecast System During Atmospheric River Events
Oct 7: CW3E Forecast Update: 7 October 2025 Quick Look
Oct 7: CW3E Welcomes Dr. Wen-Shu Lin
Oct 6: CW3E Publication Notice: Leveraging the Atmospheric River Framework to Categorize Top-Decile Precipitation Regimes in Colorado
Oct 4: CW3E Quick Summary: 28 September – 4 October 2025