Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

The Forecast Reference Evapotranspiration (FRET) for short canopies transitioned to operational on April 13,2016 and was discontinued on the same date. Please find related links below.

Daily, Weekly and Departure from Normal CONUS FRET Images

Daily FRET

Daily FRET Departure from Normal

Total Weekly FRET

Service Change Notice.

Evapotranspiration table (ETT) text products composed of daily FRET values for particular locations for the next seven days will also be available for some WFOs. For example, the Sacramento area tabular FRET forecast is available here.

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Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

Gridded Evapotranspiration Forecasts