Time and Day: 0700 Sunday
The Snapshot: Wind and rain today and tomorrow. The main feature will be the wind; gusts
could top +50mph with sustained winds of +20pmh through the night.
The Science: As luck would have it, the main bulk of moisture tracked
just south of Stevens Pass last night leaving .75” of water and 6” of snow for
24hr totals.
Current satellite imagery
has the widespread precipitation moving through Puget Sound with moderate to
heavy rain expected to increase in the mountains through the day. 48hr storm totals could exceed 4” of water.
As for the wind, pressure
gradients will tighten along the western slopes of the mountains as the front(s)
approaches; models have 5000’ winds cranking around 60knot starting around 7 pm tonight and lasting through early tomorrow
morning.
The Long Range: Except for a few minor
breaks here and there, this warm and wet weather pattern will continue for most
of the up- coming week.
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Precipitation Ending at 4am:
Today 24hr water = 1-2 Snow = 0
Tomorrow’s 24hr water = 1-1.25 snow =
0
Trend and Timing:
Light rain this morning changing to
heavy rain this afternoon.
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24hr temperature
ending at 4 am tomorrow:
Low: 34 High:
40
Freezing level: +- 6000’
Trend and Timing:
Freezing levels have risen to 5000’ this morning
and will peak around 6000’ this afternoon.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 10-20 W
Ridge Top: 15-30+ W
Trend and Timing:
The winds are already starting to pick
up along the ridge tops. Post frontal
winds could top 50mph tonight through early tomorrow morning.
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jM
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