Time and Day: 0630 Wednesday
The Snapshot: Light rain showers today, moderate rain tonight, rain
turning to snow tomorrow, snow on Friday and Saturday.
The Science: Warm
southwest flow will bring rain to Stevens Pass tonight and most of tomorrow. The rain will shift to snow before it tapers
off tomorrow afternoon/evening. A low-pressure system developing off of the
B.C. coast will bring heavy snow to Stevens Pass starting on Friday. There will be periods of high westerly winds
associated with these next few frontal systems.
The Long Range: Snow will likely continue into
the weekend with cooler temperatures. Snow totals from 4 am Friday to 4 am Sunday
could exceed 15”.
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Precipitation Ending at 4am:
Today 24hr water = .5 Snow = 0
Tomorrow’s 24hr water = +- .75 snow = 3-6
Trend and Timing:
The main wave of moisture is expected
to start after closing today. Rain
shifts to snow tomorrow afternoon and diminishes to light showers through the
night.
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24hr temperature
ending at 4 am tomorrow:
Low: 38 High:
45
Freezing level: 6500’ +
Trend and Timing:
Mild temperatures will continue
through tomorrow afternoon. Freezing
levels expected to fall below 4000’ late tomorrow afternoon.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 0-5 E shifting WSW
Ridge Top: 5-10 S shifting W
Trend and Timing:
Winds will shift westerly over the
next 24hrs. Watch for strong ridge top winds tomorrow afternoon.
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jM
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