Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Western and Central Wyoming
Snow and Avalanche

Graphical Forecasts for Western & Central Wyoming

Winter Weather Forecast Guidance

Probabalistic Winter Precip Guidance

Probability of Temperatures <= 32°F

U of Arizona WRF Snow Forecast

Thunderstorm Probabilities

Western & Central Wyoming WRF Computer Model

Link to WFO RIW Local ARW WRF Model Output master page

SkewT Soundings

Jackson	Afton	Kemmerer	Lake Yellowstone	Pinedale	Alta
Alpine	Jackson Hole-Raymer	Togwotee Pass
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Time Height Series

Blind Bull	Brooks Lake Lodge	Commissary Ridge	Fred's Mountain	Jackson Airport	Lava Mountain
Mount Coffin	Pine Creek Pass	Rendezvous Mtn	Sheep Mountain	Snow King	Spring Creek Divide
Sylvan Pass	Togwotee Mtn Lodge
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Cross Sections - Under Construction

West - East #1	West - East #2	West - East #3	West - East #4
NW - SE
SW - NE
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Plan Views

Run Total Precipitation	One-Hour Precipitation	Surface Temperature	Surface Relative Humidity	700mb Temp/RH	700mb Omega/Wind
500mb Height/Wind	250mb Height/Wind	Precipitable Water	10m Wind	Max Surface Wind Gust	Total Cloud Cover
Composite Reflectivity	Freezing Level
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