March 1, 2019

MOUNTAIN WEATHER FORECAST



Stevens Pass Mountain Weather Forecast
Day and Time:  Friday 0700

Current Observations:
24hr Precipitation: 0
Temperature profile: 180 mountain wide  
Pass level winds: calm westerlies
Barometer: 1014mb’s and holding
Sky: mostly clear
Radar: Radar images shows high cirrus clouds over the northern portion of the State with light snow showers popping up around the Mt Hood area.

The Forecast:  Warmer with sunbreaks today.  The weekend will be cold and blustery.

Long Range: The weather will remain dry and cold through the middle of next week. There are signs of some change developing on Thursday/Friday.  
  
The Science: High pressure in the Gulf of Alaska and low pressure over Oregon will keep Washington in the void for any significant moisture.  A little warm air will sneak up the western slopes today with temperatures trying to hit 30. – that will feel nice, but don’t get used to it.  The Frazer River outflow will deliver a push of arctic air for another stretch of cold, windy and generally clear weather.

Forecast confidence: good

Values from 4am today through
 4am tomorrow.
Precipitation:
Today 24hr
water:  <.10 snow: trace

Tomorrow’s 24hr
water: 0  snow: 0

Trend and Timing:
A flurry or two may be seen floating around today, but things will remain mostly dry through the weekend.


Temperature:
Low: 14  High: 28
Freezing level:  + 2500’ – 1000’

Trend and Timing:   
Freezing levels will briefly rise above 2500’ this afternoon and then fall back below 1000’ overnight.

 
Winds
Base:  0-5 W shifting E
Ridge Top:  0-10 E shifting E

Trend and Timing:
Gusty east flow returns tonight with moderate winds expected tomorrow.


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