Time and Day: 0930
Wednesday
The Snapshot: Light snow showers today, snow tomorrow, dry
on Friday, more snow for the weekend.
The Science: .25” of water with around 3” of snow fell
overnight. Light snow showers have been left in the wake of the occluded front
that moved east of the Cascade Crest earlier this morning. Two,
very close fronts, will move through the region starting early tomorrow. The first should produce some nice snow for
Stevens tomorrow. A cut-off low with an
embedded warm front forms behind the first wave and will swing north through
the mountains tomorrow night. Freezing
levels will briefly spike up to near 5000’ as a pocket of warm air makes its
way up the westerly slopes. Therefore,
expect a little mixed rain with the snow
after sunset tomorrow. The
precipitation tapers off on Friday with some partial clearing.
Storm totals = 4am
tomorrow – 4am Saturday = +-1.5” of water, 10-15” of snow.
The Long Range: A
weak low-pressure system will track
through on Saturday with more snow showers.
A more organized system arrives late Sunday with more snow for Stevens
Pass to start the new week. High
pressure building off of western coast will begin to dry and warm things up for
the middle of next week.
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Precipitation
Ending at 4am:
Today 24hr water = .25
Snow = 1-3
Tomorrow’s 24hr water
= .75-1 snow = 6-10
Trend and Timing:
Light snow showers
today, snow arriving early tomorrow morning (+-4am)
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24hr temperature ending at 4 am tomorrow:
Low: 29 High: 32
Freezing level: +-
4000’
Trend and Timing:
Freezing levels will hover
near 4000’ through tomorrow.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 0-5 W shifting E
Ridge Top: 0-10 W
shifting E
Trend and Timing:
Light westerly flow will shift easterly
early tomorrow morning.
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jM
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