The Atmospheric River Portal contains images, analyses, and diagnostics of current conditions, forecasts, and field projects related to ARs. The AR Portal is a collaborative effort through the Center for Western Weather and Water Extremes at Scripps Institution of Oceanography.
Current Conditions
SSMI Water Vapor Imagery GOES West Satellite Imagery
View more current conditions: | AR Detection Algorithm | AR Observatories | Precipitation | Find additional imagery in menu
GFS Model Forecasts
Probabilistic AR Landfall Tool Integrated Vapor Transport
View more forecasts: | All AR Forecast Products | AR Detection | NAM and GFS models |
CW3E West WRF Forecasts
Integrated Vapor Transport
Integrated Water Vapor
All West-WRF Forecast Products
These environmental data and related items of information have not been formally disseminated by NOAA and do not represent and should not be construed to represent any agency determination, view, or policy.