Time and Day: 1000 Wednesday
The Snapshot: In like a Lion. Snow will lighten up today and ramp back up
tomorrow and Friday. There should be
plenty of snow to play with through the weekend.
The Science: Pressure gradient will weaken a bit today which
will shift the snow to light showers this afternoon. However, good convergence zonal flow could
provide periods of intense showers throughout the day. A cold front developing in the Gulf of Alaska
will push the next batch moisture in tomorrow with heavy snow expected tomorrow
and Friday. The leading edge of the
Friday’s cold front is not expected to move east of the Cascades until late in
the day. Therefore, temperatures will be
near freezing through most of Friday.
The Long Range: The snow machine will keep right on cranking
through the weekend and likely into early next week.
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Precipitation
Ending at 4am:
Today 24hr water = .5 snow = 4-7
Tomorrow’s 24hr water
= .75-1 snow = 8-14
Trend and Timing:
The snow is expected
to shift to intermittent showers today with snow intensifying during the day
tomorrow.
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24hr temperature ending at 4 am tomorrow:
Low: 28 High:
32
Freezing level: 3500’-4000’
Trend and Timing:
Freezing levels have
reached 3500’ and will bounce between 3500 and 4000’ through tomorrow. Surface temperatures should be fairly constant
with the exception of some peak day warming.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 5-10 W
Ridge Top: 5-15 W
Trend and Timing:
Winds will begin to
weaken through the day with westerly flow continuing for the remainder of the
week.
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jM
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