Time and Day: 0630
Friday.
The Snapshot: Let the snow games begin, and may the odds be
ever in our favor. Snow has begun to
fall at Stevens Pass and will increase through the weekend.
The Science: This morning's
radar has the advertised frontal systems to the south and still off the Oregon coast. Bands of moisture ahead of the front have
begun to enter the region and will continue to move NE as the day progresses. The
snow will be relatively light today as the front slowly tracks toward the region over the next 24hrs. As the system makes its way northeast, it
will tap into a long fetch of moisture strung out to the SW, this will increasing
the precipitation intensity tomorrow and again on Sunday.
Models do have the
east flow being overtaken by strong WSW
flow tomorrow which, if happens, will push freezing levels to near 4000’ and
increase the orographics (snowfall). A cold front
swings in late tomorrow night which will shift the steady snow to
intermittent shower and drop the freezing levels for Sunday.
The Long Range: Snow continues with low temperatures into Monday. Sounds like a great formula for an amazing powder. Tuesday and Wednesday will relatively quiet
with another similar event taking shape for the second half of next week.
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Precipitation
Ending at 4am:
Today 24hr water = .5-.75 Snow = 5-8
Tomorrow’s 24hr water
= +1 snow = 10-14
Trend and Timing:
Light to moderate snow
today with the main show happening tomorrow.
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24hr temperature ending at 4 am tomorrow:
Low: 12 High:
20
Freezing level: 500’ –
3500’
Trend and Timing:
East flow will keep
surface temperatures low through tomorrow morning. Freezing levels inch up to near 3-3500’ by
days end tomorrow.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 0-10 E
Ridge Top: 5-15 E shifting SW
Trend and Timing:
Easterly winds will
continue to hold in there through early tomorrow morning. 5000’ winds shift SW early tomorrow
morning.
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jM
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