11/22/2012 Stevens Pass Mountain Weather Forecast

Time: 10:00
General Discussion: 10” of new snow and morning alpenglow on the mountains, life is good. Today will be cool and dry with precipitation and rising temperatures arriving late tonight or early tomorrow morning.

Long-term: A cold front arrives tomorrow night leaving light snow showers and cooler temperatures for the weekend. Dry and sunny weather will begins on Sunday and continue through the first part of next week.

24hr Accumulative Precipitation Totals Starting at Noon Today:
“Water by midnight= 0
“Of additional water by 4am= .10
“Of additional water by 12pm= .25

24hr (12pm-12pm) Inches of Water = +-.5

24hr (12pm-12pm) Inches of Snow = 3-6”

Trend and Timing:
Snow will appear shortly after midnight tonight. Snow is expected to change to rain once the east flow gives up tomorrow. The precipitation will taper off tomorrow night with light snow showers persisting through the weekend.

24hr Base Area Temperatures (F) Starting at Noon Today:
Low: 28 High: 34
Freezing level: 3000’ 5000’

Trend and Timing:
Freezing levels will gradually increase through the night reaching 5000’ by mid-day tomorrow. Surface temperatures will stay below freezing until the wind shifts SW tomorrow.

24hr Winds Speed (mph)/Direction Starting at Noon Today
Base: 0-5 E
Ridge Top: 5-10 E shifting SW

Trend and Timing:
East flow will shift southwesterly then westerly through the day tomorrow. Watch for strong westerly winds along the ridge tops tomorrow afternoon/evening.