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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 Event Summary: 11-13 January 2021

Jan 14: CW3E Event Summary: 11-13 January 2021
Jan 12: CW3E AR Update: 12 January 2021 Outlook
Jan 11: CW3E AR Update: 11 January 2021 Outlook
Jan 8: CW3E Event Summary: 1-7 January 2021
Jan 1: Odds of Reaching 100% Normal Water Year Precipitation – January Update
Dec 23: CW3E Event Summary: 17-22 December 2020