February 21, 2016

MOUNTAIN WEATHER FORECAST

Time and Day: 0730 Sunday

The Snapshot:  Snow is expected to develop this afternoon with dry and clear conditions developing during the new week.

The Science:  This morning’s satellite imagery has clouds moving into Puget Sound with a following band of moisture still off shore.  The precipitation is expected to reach the mountains later today with snow falling through the night.  East flow and cool air aloft will help keep freezing levels in check for the moisture to be mostly snow.   

The Long Range:  Next week will trend dry and warm as high pressure builds over the west coast.

Precipitation Ending at 4am:

Today 24hr water = .25-.5 Snow = 3-6

Tomorrow’s 24hr water = < .25  snow = 1-3

Trend and Timing:
The snow is expected to begin late this afternoon.  Models have this storm weakening as it tracks east, therefore, expect intermittent showers persisting through the night.  The precipitation ends around noon tomorrow.  


24hr temperature ending at 4 am tomorrow: 
                                     
Low: 24    High: 32
Freezing level: 2500’ – 4000.'

Trend and Timing:   
Freezing levels will briefly spike to 4000’ this afternoon and then fall through the night. 

 
24hr Winds (mph) ending at 4 am tomorrow:
Base:  0-5 E shifting W
Ridge Top: 0-10 E shifting W strengthening

Trend and Timing:
 The flow will shift westerly with the passing of the front this afternoon with gusty westerly winds expected.




jM

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