November 22, 2014

MOUNTAIN WEATHER FORECAST

0600 Saturday:

The Snapshot: 11” (according to the telemetry) over night, not a bad start.  The wet heavy stuff makes for a good base.  Temperatures will cool a few degrees today with gusty winds and snow showers.  More snow tomorrow, with significant warming early next week.

The Science: The spike in temperature was a bit delayed but did happen just after 10pm last night.  Strong westerly flow under an unstable air mass will keep light to moderate snow showers falling for the rest of the day.   

Tomorrow’s storm:   The next front is expected to hit the west slopes early tomorrow morning.  This will bring another round of wet heavy snow with an additional foot possible.  The precipitation will get cut tomorrow night by a building high pressure ridge.  Monday starts out dry with rising freezing levels.

4-7day Long Range:   Heavy rain, high winds and freezing levels around 8000’ can be expected on Tuesday and Wednesday.  Temperatures could hit 50f late Tuesday and Wednesday.  Significant cooling with little to no moisture is expected for the second half of the week.  Models are inconsistant with these details so stay tuned as the new week approaches. 


24hr precipitation ending at 4am tomorrow:

Water = .5   Snow = 3-5

Trend and Timing:
Light to moderate snow showers slowly diminish today.  Tonight will be relatively quiet with the next front entering the mountains early tomorrow morning, after 4am.    
   

24hr temperature ending at 4am tomorrow: 
Low: 28   High: 32
Freezing level: +-4000’

Freezing Level Trends and Timing
Freezing levels will hover near 4000’ through early tomorrow morning.   Temperatures will briefly spike up early tomorrow morning and then slowly fall back to around 4000’ to finish the day.

 
24hr Winds (mph) ending at 4am tomorrow:
Base: 5-15 W
Ridge Top: 10-20 W, gusty.   

Trend and Timing:
Strong westerly winds will slowly diminish through the day. Winds will be lighter but still gusty with tomorrow’s storm.




 JM

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