Time and Day: 0630 Tuesday
The Snapshot:
Cold temperatures with patchy fog today. Warmer with a chance of snow is expected for the weekend.
The Science
Current Observations: Cold and foggy this morning with temperatures in the
teens. The RH is 94% and the barometer
is well in the high pressure range at
1027mb’s. Satellite images show mid-level
clouds moving in with the inversion layer comfortably sitting in the eastern
basin.
The Forecast: The
high pressure parked over the PNW will keep a lock on the weather for the next
few days. The inversion cloud deck is
expected to hover around 4000’ today with easterly flow pushing cold temperatures
through the Pass. This pattern will persist through Thursday.
The Long Range: Warm southerly flow with moisture in tow will
begin to filter in late Thursday or early Friday. The jury is still out on what type of
precipitation will fall on Friday – with all the cold air in place, my bet is
on snow. The weather turns more active with snow
through the weekend.
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24hr Precipitation ending at 4 a.m:
Today 24hr water:0 snow:
0
Tomorrow’s 24hr water:0
snow: 0
Trend and Timing:
Dry through Thursday.
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24hr temperature
ending at 4 a.m:
Low: 12 High: 34
Freezing level: 3000’/6000’
Trend and Timing:
The inversion temperatures continue.
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24hr Winds (mph) ending at 4 a.m:
Base: 0-5 ENE
Ridge Top: 0-10 ENE
Trend and Timing:
Easterly winds will continue.
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jM
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