Stevens Pass Mountain Weather
Forecast
Thursday, December 26, 2019, 0730
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Current
Observations:
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24hr Precipitation: 0
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Temperature profile: 17 bas, 23 ridge
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Pass level winds: light, easterly
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Barometer: 1016mbs’ and holding
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Sky: broken clouds
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Radar: Dry
conditions in the mountains
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The Forecast: Snow tonight with snow showers persisting
through the weekend.
Long Range. Warmer and dry conditions will
begin the last week of the year.
The Science: A low pressure trough with an associate warm
front bring a dose of snow tonight.
Westerly flow will kick in with a short lived convergence zone possible
tonight. A dirty (weak) ridge will slide
into place tomorrow with light snow showers lingering through the weekend.
A warmer air mass will bring higher freezing
levels on Monday with no significant snow events likely through the week.
Confidence: Good
Values from
4am today through 4am tomorrow.
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Precipitation:
Today
24hr
water: .25
snow: 2-4
Tomorrow’s
24hr
water: lt
.25 snow: 1-3
Trend and
Timing:
Snow will arrive tonight and shift to intermittent showers tomorrow.
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Temperature:
Low: 17 High: 24
Freezing
level: +-1500’
Trend and
Timing:
Freezing levels will remain well below Pass level through tomorrow.
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Winds
Base: 0-10
E
Ridge Top:
5-10 ESE shifting W
Trend and
Timing:
East flow will strengthen today with winds shifting westerly
tomorrow. There may be a short period
of gusty post frontal ridge top winds tomorrow morning.
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