Time and Day: 0700
Monday
The Snapshot: Increasing rain today, rain continues
tomorrow and Wednesday, and snow finishes out the week with cooler
temperatures.
The Science: While the Northeast portion of the country
gets pummeled by a late winter blizzard, the PNW has a warm moist air mass moving in. A strong triple front system, with a long SW
fetch of moisture, is currently stationed offshore and will slowly move inland
today. Freezing levels are, and will
remain, above 5000’ through the middle of the week. The pressure gradients ease
a bit tomorrow which will back off the precipitation a little, rain picks back
up on Wednesday with the arrival of the next front.
The Long Range: The good news. A cold front moves in on Thursday, dropping
freezing levels and providing some fresh snow heading into the weekend.
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24hr Precipitation
ending at 4am:
Today 24hr water = 1+ snow
= 0
Tomorrow’s 24hr water
= .5 snow = 0
Trend and Timing:
Rain will increase
today and shift to lighter rain tomorrow.
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24hr temperature ending at 4 am:
Low: 32 High:
40
Freezing level: + 5000’-6500’
Trend and Timing:
Freezing levels are
currently around 4800’ and are expected to rise as high as 6500’or higher
during the next 3 days.
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24hr Winds (mph) ending at 4am:
Base: 0-10 SSW
Ridge Top: 5-10 WSW
Trend and Timing:
SW flow will dominate
the wind pattern into Wednesday.
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jM
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