Time and Day: 0630 Sunday
The Snapshot: Light snow will continue through tomorrow with
a few more inches possible. A drying
trend begins Tuesday and will likely last into the New Year.
The Science: A cold front associated with
weak low-pressure trough will roll into
the State today bringing some snow to the Stevens Pass for the next 12-24hrs. Another system will brush the SW corner of
the state on Wednesday with little effect for Stevens. A cold
air mass will also settle into the eastern basin while warm air advection raises
freezing levels west of the crest. Therefore,
watch for a temperature inversion with a fog layer during the second half of
the week.
Long
Range: A strengthening ridge of high-pressure will confine most of the moisture
to the coastal regions starting on Tuesday and likely lasting into early next
week.
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Precipitation
ending at 4 am:
Today’s
24hr Water = +.25 Snow = 3-5
Tomorrow’s 24hr Water = .10
Snow = 1-2
Trend and Timing:
Light snow begins this afternoon with snow showers
persisting through tomorrow night.
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24hr temperature ending at 4 am tomorrow:
Low: 14 High: 26
Freezing level: 1000’E -3000’ W
Trends and Timing:
There will be good daytime
temperature recovery today with lows dipping in the lower teens again
tomorrow morning.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 0-5 E
Ridge Top: 5-10 ESE shifting W
Trend and Timing:
Light easterly winds today shifting westerly
tomorrow.
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jM
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