Time and Day: 1:00 pm
Friday
The Snapshot:
It’s good to see and feel the sun.
Rain, with a touch of snow is developing for tomorrow, dry Sunday and
Monday.
The Science: A
strong cold front tracking towards the PNW will push a band of moderate
precipitation into the mountains tomorrow.
Freezing levels are expected to drop to 5000’ in the wake of the front. Rain
will start out the day with a mixture of snow and rain tapering into Sunday. A ridge of high pressure will begin to break
up the moisture on Sunday with Monday trending dry and cloudy.
The Long Range:
The north central Cascades will remain relatively dry next week as the
approaching moisture is confined to the
coast. Freezing levels will also rise
back up to +-7000’ early next week with a warm air mass settling in.
Long range models have a large low-pressure system developing in the North Pacific. This system is expected to become stationary and
thus continue to pull warm air up from the south along with harboring plenty of
moisture. However, the high pressure
parked over the interior west will likely
block most of the moisture from making it to the mountains. In short, there is no snow on the radar for
the next 7-10 days.
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Precipitation Ending at 4am:
Today 24hr water = .75 -1 Snow =
trace
Tomorrow’s 24hr water = .25 snow = trace
Trend and Timing:
Rain begins after 4 am tomorrow and continues for most of the day. Period of mixed snow will be possible on
the tail end of this storm.
Intermittent showers develop tomorrow night
with light showers lingering into Sunday.
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24hr temperature
ending at 4 am tomorrow:
Low: 36 High:
50
Freezing level: 7500’ 5000.'
Trend and Timing:
Temperatures will begin to fall
tomorrow afternoon once the front passes east of the crest.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 0- 5 E
SE
Ridge Top: 5-10 SW
Trend and Timing:
East flow at the surface with gusty ridge
top winds can be expected for the next
24-36hrs
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jM
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