STEVENS PASS MOUNTAIN WEATHER

12/28/2011 Weather

General Discussion: Quite the storm. Bummer the snow couldn’t hold on. A cold/occluded front is just now making land fall along the PNW coast. The front is expected to pass over the mountains later today or tonight. Once the front passes, the moisture will begin to taper off and temperatures will begin to fall.

Long-term: Tomorrow will be relatively dry with the next system bringing snow to the mountains for Friday. There will be a break on Saturday with the next storm arriving on Sunday.

24 hour Forecast Starting at NOON on Wednesday

Cumulative Precipitation Totals:
“water by midnight= .5-.75
“water by 4am= .25
24hr total “of water = 1

24hr Snow Total= 2-6 base 6-10 upper ridge

Trend and Timing:
Pockets of cold air will bring snow at times below 4500’ with rain likely in the base area. The precipitation is expected to taper off tomorrow morning with most of the day being relatively dry. The next wave of moisture will hit after 4pm tomorrow with snow likely through the night.

Base Area Temperatures (F):
Low: 28 High: 36
Freezing level: 4500’ 3500’

Trend and Timing:
Freezing levels will hover between 4000’ and 5000’ for the remainder of the day. Temperatures will begin to fall after midnight with freezing levels falling to +-3500’.

Winds Speed (mph)/Direction
10-20 W gusty

Trend and Timing:
Winds will mellow out a bit today and ramp back up later tonight with the arrival of the front. +40mph gust will be likely overnight with winds tapering off tomorrow afternoon and then shifting southerly.