Time and Day: 0630 Friday
The Snapshot:
Mixed rain/snow and wind can be expected
today and tomorrow, Sunday will be the warmest and wettest day of the weekend.
The Science
Current Observations: The good news is that last night’s storm lost some of
its punch. The anticipated warm front
passed east of the crest a few hours ago with the expected warm-up underway. The 24hr
precipitation totals where .66” of water that produced 6” of snow. The temperatures have bumped to 33degrees
with westerly winds gusting along the ridge tops. The satellite radar has the main bulk of
moisture heading into the Intermountain West with light spotty rain showers
falling in the Cascades below 5000’.
The Forecast: Strong westerly flow will bring gusty winds and
periods of moderate to heavy precipitation to Stevens Pass today. The Puget Sound Convergence zone will be
active through the next 24hrs. Freezing
levels will bounce between 4500’ and 5500’ through the weekend with a whole
array of moisture forms possible.
The Long Range: Sunday will be the warmest and wettest day of the
bunch with cooler temperatures filtering and on Monday. Above average temperatures with weak systems move in next week.
24hr values daily 4am to 4am.
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Precipitation:
Today 24hr
water: 1 snow: 3-5
Tomorrow’s 24hr
water: .5 snow: 2-4
Trend and Timing:
Periods
of moderate rain and snow will persist into Sunday.
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Temperature:
Low: 30 High:
36
Freezing level: 5500’-4500’
Trend and Timing:
Freezing
levels will bounce between 4000’ and 5500’ through the weekend.
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Winds
Base: 5-10 W
Ridge Top: 10-30 W
Trend and Timing:
Westerly
winds will increase today with gust +40 possible late this afternoon.
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