Time and Day: 0530 Saturday
The Snapshot: Lots oh snow, then dry and cold.
The Science
Current Observations: After Jack’s predicted lull last night the snow has
picked back up again this morning. The temperatures peaked around 32 around 5 pm yesterday and are holding steady just below freezing. (31 base / 27 ridges). The barometer has dropped to 1010mb’s and the
winds are gusting 5-10 out of the west.
The Forecast: The
second wave of heavy moisture associated with the passing low-pressure system will bring heavy snow and
gusty winds to Stevens Pass today. The precipitation will begin to taper off
tomorrow morning as the cold dry airmass from the north begins to filter
in.
The Long Range:
The weather topic for the most of next week
will be the fidget temperatures. Single
digits lows are expected early Monday morning with the cold dry weather is
expected to persist throughout the week.
24hr values daily 4am to 4am.
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Precipitation:
Today 24hr
water: 1-1.5 snow: 12-18+
Tomorrow’s 24hr
water: .25-.5 snow:
Trend and Timing:
Heavy snow through the day tapering
off mid-day tomorrow.
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Temperature:
Low:32 High:
16
Freezing level: 4000’- 500’
Trend and Timing:
Freezing levels will briefly spike up to near 4000’ around noon
today and then sharply fall overnight.
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Winds
Base: 5-15 W
Ridge Top: 10-20+ W
Trend and Timing:
Westerly winds will be gusty with
potential ridge top gusts topping 40mph this afternoon.
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