MOUNTAIN WEATHER FORECAST

Stevens Pass Mountain Weather Forecast

Day and Time:  Monday 0500

POW DAY

Current Observations:

24hr Precipitation: swe-.55, snow 11”  

Temperature profile: 8 base, 10 ridge

Pass level winds: Light westerly

Barometer:  clicked up to 1001 mb’s

Sky: OC  

Radar: light low density snow falling in the South west portion of the State.  

The Forecast:  Light snow showers this morning with snow ramping back up this afternoon.  More snow overnight and tomorrow.

Long Range: Wednesday and Thursday will be dry and warmer with more light snow expected on Friday

  

The Science: A warm front embedding in the stationary lower pressure trough will bring more snow and warmer temperatures to the PNW tonight.   The atmosphere will remain unstable through tomorrow. 

Forecast confidence:  Confidence is good. Note: the SWE amounts have been pretty accurate during these recent events, but snow total models have not. 

Values from 4am today through

 4am tomorrow.

Precipitation: Today 24hr water: .75  snow:  7-10 Tomorrow’s 24hr water: .5-.75  snow: 5-8 Trend and Timing: Light snow flurries this morning with snow increasing after 2pm today.

Temperature: Low: 8  High: 22 Freezing level: 500’-1000’ Trend and Timing:    Freezing levels rise just a bit today but remain well below Pass level through the week.

Winds Base: 0-10 E/W Ridge Top: 5-10 E/W Trend and Timing: Winds will shift from east to west and then back as these weak fronts move through.  Winds should be generally light.