Tomer’s Take:
- Snow continues to fall across the Intermountain West with a WNW flow and powerful jet stream. This is associate with storm #2.
- Storm #3 is riding the heels of storm #2.
- Storm #3 delivers the best orographics and possible weak atmospheric river contributions to the Sierra and Interior Mountain West.
- Period of maximum snowfall for the Sierra: 11/6-11/8.
- Period of maximum snowfall for UT, WY, CO: 11/9-11/10.
Current Setup
Infrared satellite shows the active storm track, atmospheric river (AR), and WNW jet flow.
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Ski resorts in WY, UT, and CO are all reporting new snow courtesy storm #2, a powerful jet, and WNW flow.
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November 6-10
Forecast jet stream flow shows the WNW flow, buckling jet, and strong orgographics.
Valid 11/6-11/10.
Forecast Timing
Forecast radar/satellite valid 11/6-11/11.
Forecast Snowfall
Forecast total snowfall (inches) valid 11/6-11/8.
This is the period of maximum snowfall for the Sierra. I’ve settled on 40″ grand totals for the Sierra based on orographics and weak AR contributions.
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Forecast total snowfall (inches) valid 11/9-11/10.
This is the period of maximum snowfall for UT, WY, and CO.
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My forecast video 11/6: