Stevens Pass
Mountain Weather Forecast
Day and Time: Sunday 1100
Current Observations:
24hr Precipitation: 1.48”(swe)
fell since 4pm yesterday with 7” of new snow in the base area.
Temperature profile: 28b, 23r
Pass level winds: 5-10 W
Barometer: 1015mbs and rising
Sky: OC, with patchy fog
Radar: There are some remnant snow showers
lingering in the convergence zones with clearing and drying to the west.
The Forecast: Decreasing snow, wind and temperatures
today. The year will end and begin under
dry and partly cloudy weather.
Long
Range: The next round of precipitation will arrive late
Wednesday with warming temperatures.
The Science:
A high pressure ridge will strengthen
over the region today. Some cold air
from a dry, arctic air mass sinking into the Intermountain West (Montana) will
find its way into the eastern basin over the next 24hrs. Freezing levels will drop to or below 1000’
with mostly dry and clear conditions developing over the Cascade Mountains.
The next storm (low
pressure system) of interest is developing along a southerly storm track. This is expected to arrive late Wednesday night
into Thursday with another round of rising freezing levels and mixed rain and
snow.
Values from 4am today through
4am tomorrow.
Precipitation:
Today 24hr
water: .25 snow:
2-4
Tomorrow’s 24hr
water: 0 snow:0
Trend and Timing:
Diminishing snow showers today.
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Temperature:
Low: 14 High:26
Freezing level: 3000’-1000’
Trend and Timing:
Freezing levels will drop below 1000’
tonight with cold temperatures rising on Tuesday.
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Winds
Base: 0-5 NE
Ridge Top: 5-10 WNW shifting E
Trend and Timing:
Winds will diminish today and shift
easterly overnight.
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