February 12, 2019

MOUNTAIN WEATHER FORECAST


Stevens Pass Mountain Weather Forecast
Day and Time:  Tuesday 0500

Current Observations:
24hr Precipitation:  1.24swe, 14” of snow (yes – that is confirmed)
Temperature profile: 11base,
Pass level winds: light - east
Barometer: 1003 mb’s and falling
Sky: OC  
Radar: Snowing.

The Forecast:  Snow today with warmer temperatures.  The moisture tapers off early tomorrow morning and returns late Thursday afternoon. 

Long Range: Light snow Friday and Saturday with Sunday/Monday trending dry.
  
The Science: A cold front with a warm occlusion attached will move through the region today.  Watch for a brief shift to westerly flow and temperature spike around noon or so, then cooling.    

Forecast confidence:  Fair to good

Values from 4am today through
 4am tomorrow.
Precipitation:
Today 24hr
water: .75-1  snow: 8-12

Tomorrow’s 24hr
water: <.25  snow: 2-4

Trend and Timing:
Snow continues today and begins to taper off after 4am tomorrow. 


Temperature:
Low: 11  High: 26
Freezing level: Spike to 2500’

Trend and Timing:   
Freezing levels are expected to spike around 2500’ this afternoon and then fall back tonight.

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

Trend and Timing:
Winds will shift with the passing of the front mid-morning.


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0800 Start Sun Jan 18th, no ABS