Time and Day: 0700 Sunday
The Snapshot: More light snow showers today, clearing
skies tonight and tomorrow.
The Science: The trend of light snow showers and
partly cloudy skies will continue today. A weak occluded front will cross
Stevens Pass today bringing another minor refresh of snow. The low pressure
system off the coast that has been spinning these bands of snow into the
Northwest will begin to move onshore at the Oregon/California border Sunday
afternoon night, leaving Washington under clearing skies and cool northern
upper level flow. High pressure will build over the West Coast Monday afternoon
and Tuesday bringing mostly sunny and dry days with freezing levels around
2,000’.
The Long Range: A high amplitude high pressure ridge
will build over the West Coast for most of next week. A very weak low pressure
trough may try to move through on Wednesday night/Thursday, with the main
effect being increasing clouds, before the ridge rebuilds for the remainder of
the week.
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Precipitation Ending at 4am:
Today 24hr water = >.25 Snow = 1-3
Tomorrow’s 24hr water = 0 Snow = 0
Trend and Timing:
Light snow during the day Sunday,
ending Sunday afternoon. Dry Monday night.
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24hr temperature
ending at 4 am tomorrow:
Low: 25 High: 30
Freezing level: 2500-3000
Trend and Timing:
Temperatures will bump up during the
day Sunday, and drop under clearing skies Sunday night and Monday.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: E 10-15
Ridge Top: E 5-10
Trend and Timing:
Gusty east winds through the Pass
today, light east winds at the ridgetops diminishing Sunday night.
DV
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