STEVENS PASS MOUNTAIN WEATHER

11/25/2011 Weather

General Discussion: The atmosphere is trying to stabilize itself which will change the snow to isolated showers this afternoon. Moderate snow showers will continue to be likely in the mountains tonight and tomorrow.

Long-term: The approaching warm front will raise freezing levels through the weekend with moderate rain likely on Sunday. Cooler temperatures and a developing drier weather pattern will bring us into December.

24 hour Forecast Starting at NOON on Friday

Cumulative Precipitation Totals:
“water by midnight=.25

“water by 4am= +.25

24hr total inches of water =.5

24hr Snow Total= 6-8

Trend and Timing:
Moderate bands of snow showers will continue to form over the Cascades through the night. Snow will change to light rain mid day tomorrow. Saturday night will be relatively dry with rain likely on Sunday.

Base Area Temperatures (F):
Low: 24 High: 36

Freezing level: 1000’ 6000’

Trend and Timing:
Freezing levels are expected to rise to Pass level early tomorrow morning and continue rising through the day. Freezing levels could peak near or above 7000’ late Saturday or early Sunday morning. Surface temperatures could climb into the mid 40’s.

Winds Speed (mph)/Direction
0-10 ESE

Trend and Timing:
Westerly flow will taper off today and briefly shift easterly tonight. SW flow will take over tomorrow and last through the weekend.