Stevens Pass Mountain Weather Forecast
Date: Monday, February 17, 2020
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Current Observations:
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24hr Precipitation: 10” snow
/ .7” SWE
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Temperature profile: 21 upper mtn / 25 base
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Pass level winds: light
west
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Barometer: 1019 rising slowly
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Sky: Broken clouds
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Radar: Well defined convergence zone
centered between I-90 and Highway 2, west of the mountains
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The Forecast:
Cool and mostly cloudy this morning, with sun breaks this afternoon.
Increasingly clear skies and dry tomorrow.
The Science: Last night’s
convergence showers have begun to fizzle out this morning as upper level flow
gets cut off by a building high pressure ridge. Flow will turn more northerly
today, bringing generally cloudy skies with some sun breaks possible. The ridge
moves inland tonight and tomorrow for sunny days ahead.
Long Range: The next few days will be
dry and sunny, with east flow developing and possible inversion conditions at
the pass. The ridge breaks down by the end of the week, with the next chance
for snow coming Friday.
Confidence: Good
Values from 4am today through 4am
tomorrow.
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Precipitation:
Today 24hr
water: .10 snow: 1-2”
Tomorrow’s 24hr
water: 0 snow: 0
Trend and Timing:
Light
snow ending today, dry tomorrow.
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Temperature:
Low: 16 High: 28
Freezing level: 1000’
Trend and Timing:
Cool
temps continue today and tomorrow.
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Winds
Base: W 0-5
Ridge Top: WNW 5-15
Trend and Timing:
Winds should
diminish during the day, becoming light.
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