November 24, 2015

MOUNTAIN WEATHER FORECAST

Time and Day: 0900

The Snapshot:  Snow ends today.  Cold clear and dry weather is anticipated for the remainder of the week.  The winds will also kick in tonight and tomorrow.

The Science:  Stevens Pass telemetry has 5” of new snow that fell overnight and Seattle is in gridlock. J.   This morning’s radar has the moisture drifting south of Stevens Pass, so for the most part, the snow is done.   As the low-pressure cell moves out today, it will pull a cold, dry air mass to the region.  Increasing pressure gradients will crank up the wind machine tonight with strong easterly winds possible.   

Long Range: Dry and mostly clear weather will prevail over the PNW into early next week.  The next best bet for snow will be during the middle of next week.    


Precipitation ending at 4 am:

Today’s 24hr Water = <.25    Snow = 1-2   

Tomorrow’s 24hr Water = 0  Snow = 0

Trend and Timing:
Snow ends today with dry conditions lasting for the rest of the week.


24hr temperature ending at 4 am tomorrow: 
Low: 14  High: 32
Freezing level: 4000’ -  1000.'

Trends and Timing:
Temperatures will bump up today with freezing levels dropping to 1000’ tonight with cold temperatures settling in.  

 
24hr Winds (mph) ending at 4 am tomorrow:
Base: 10-15 E
Ridge Top:  10-30 E  gusty

Trend and Timing:
Easterly/offshore winds are expected to crank up tonight and continue through tomorrow morning.



JM

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 Great Last Day!