Discussion: A cold front dropping in from the BC coast will bring more snow to Stevens Pass today. Light snow showers are expected tonight and tomorrow.
Long-term: Another nice looking system arrives on Thursday/Friday with yet another on Saturday/Sunday. The NW jet stream continues to direct winter storms at PNW for the long term. I am still betting on over 100” base by Christmas.
24hr Accumulative Precipitation Totals Starting at Noon Today:
Water by 4am = .5 Snow equivalent = 4-6
Total inches of water by noon tomorrow = +.5
Total inches of snow by noon tomorrow = 4-8
Trend and Timing:
Snow should arrive anytime now. The heaviest snow will be this afternoon with a short lived and weak convergence period. Light snow showers develop behind the front tonight.
24hr Base Area Temperatures (F) Starting at Noon Today:
Low: 24 High: 30
Freezing level: 3500’ 2500’
Trend and Timing:
Cold NW flow aloft will keep freezing levels well below 4000’ for most of the week.
24hr Winds Speed (mph)/Direction Starting at Noon Today:
Base: 0-10 WSW shifting NW
Ridge Top: 5-15 W
Trend and Timing:
WSW winds will shift NW through the next 24hrs. There may be a period of east flow at the surface just before the front passes through later today.
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