STEVENS PASS MOUNTAIN WEATHER

3/6/2012 Weather

General Discussion: As expected, high pressure will begin to stabilize the atmosphere today producing clear and dry conditions through Friday.

Long-term: We may see plenty of sun with warm temperatures through Friday. Another cold front, powered by the NW jet stream, will begin another round of snow starting Friday and lasting through the weekend.

24 hour Forecast Starting at NOON on Tuesday

Cumulative Precipitation Totals:
“water by midnight= .10
“of additional water by 4am=0
“of additional water by 12pm=0

24hr total “of water = <.10

24hr Snow Total= Trace

Trend and Timing:
Radar shows that the convergence zone has shifted south to Snoqualmie Pass. Snow showers will diminish today with dry conditions developing tonight.

Base Area Temperatures (F):
Low: 14 High: 26
Freezing level: 1500’ 3000’

Trend and Timing:
Freezing levels will remain very low through tomorrow, however, sun breaks could provide some significant radiant heat at times. Warm air advection will begin to rise surface temperatures tomorrow afternoon with freezing levels reaching +-6500’ or higher for Thursday and Friday.

Winds Speed (mph)/Direction
0-10 WNW

Trend and Timing:
Winds will shift N tonight. The general flow by Thursday will be southerly with east winds moving though at the surface.