MOUNTAIN WEATHER FORECAST

Stevens Pass Mountain Weather Forecast

Day and Time:  Wednesday 0700

Current Observations:

24hr Precipitation:  .48swe, 11” of snow

Temperature profile: 23 base, 20 ridge

Pass level winds: Light, westerly

Barometer: 999mb’s

Sky: OC

Radar: Light scattered snow along the western slopes

The Forecast:  Light snow flurries today with temperatures in the mid 20’s.  Snow showers returning tomorrow afternoon.  

Long Range:  Snow can be anticipated for Friday and Saturday with Sunday and Monday trending dry.  Temperatures will return to seasonally normal ranges. 

  

The Science:  The atmosphere will remain unstable under low pressure through the weekend.  Weak pulses of moisture will spin up through the region from the south with warm convection bringing freezing levels back into seasonal levels. (+- 3500’).    

Forecast confidence: Good for the next 24hrs,  fair for the weekend.

Values from 4am today through

 4am tomorrow.

Precipitation: Today 24hr water: .25  snow: 2-4 Tomorrow’s 24hr water: .25-.5  snow: 3-5 Trend and Timing: Snow diminishes today and returns tomorrow afternoon.

Temperature: Low: 16  High: 26 Freezing level:  2500’-3000’ Trend and Timing:    Freezing levels will slowly rise t0 3000’ over the next 24hrs.

Winds Base: 0-5 W shifting E Ridge Top: 5-10 W shifting E Trend and Timing: East flow will re-develop today and strengthen overnight.