WEATHER FX UPDATE

Stevens Pass Mountain Weather Forecast

Day and Time: 1000 Friday

UPDATE:

Current Observations:

24hr Precipitation:        .04 swe, 0

Temperature profile:     36 base,

Pass level winds:           calm - easterly

Barometer:                    1005mbs and falling

Sky:                               high overcast

Radar:  the leading edge of the approaching moisture is just entering the South Sound region.

Mid- morning storm update:  no significant changes to this morning forecast.

The moisture should start falling around noon today with rain to start.  There will be a short dose of snow with the moisture being cut off late tonight.   Freezing levels will fall to 4500’ early this evening and fall to +-3500’ by 4am tomorrow.   Temperatures remain in favor of snow tomorrow. 

Things get more interesting tomorrow and Sunday with moderate snow expected tomorrow and heavy snow, possibly changing to rain on Sunday.  Stay tuned as those details get ironed out.

Values from 4am today through

 4am tomorrow.

Precipitation: Today 24hr water: .25-.5  snow: 1-2 upper mountain Tomorrow’s 24hr water: .5 -.75  snow: 3-5 upper mountain Trend and Timing: Light rain starts today and increases to mixed snow this evening with drying tonight.

Temperature: Low: 32   High: 38 Freezing level: 5500’ – 3500’ Trend and Timing:    The freezing levels are expected to drop just below 4000’ late this afternoon and then spike back up to +-5000’ during the day tomorrow.

Winds Base: 5-10 W Ridge Top: 5-15 WSW Trend and Timing: Winds will shift WSW today with gusty periods likely.