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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 AR Update: 16 September 2021 Outlook

Sep 16: CW3E AR Update: 16 September 2021 Outlook
Sep 13: CW3E AR Update: 13 September 2021 Outlook
Sep 3: CW3E Hosts 2021 Summer Intern Program
Sep 1: Odds of Reaching 100% Normal Water Year Precipitation: September Update
Aug 24: CW3E with Partners with Orange County Water District, US Army Corps of Engineers and CA DWR to Assess FIRO at Prado Dam
Aug 24: Middle Tennessee Flooding: 21 August 2021