0600 Monday:
The Snapshot: Prepare for a very wet and windy start to the
week.
This morning’s
radar shows just some light snow showers lingering in the mountains. Today will start out dry with snow returning
this afternoon. Heavy rain and high
winds will start late tonight and last through Thursday.
The Science: A high-pressure system off of the coast of
California and a low-pressure system in the North Pacific, with act like a cog
in a gear wheel to drive a ton of warm air, wind and moisture into the PNW. Freezing levels will rise to near 5000’
tonight and peak at or above 7000’ by Wednesday. Hydrological numbers are
impressive with 4-6” of rain possible by late Wednesday night.
4-7day
Long Range: Above freezing temperatures and
rain are expected to be around until early Friday morning. The weekend trend is dry and cold.
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24hr precipitation ending at 4am
tomorrow:
Water = 1+ Snow = 1-3
Trend and Timing:
Snow with start this afternoon and change to rain
around 10pm. A short period of mixed
rain and snow will occur tomorrow morning and then turn to solid rain later
in the day.
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24hr temperature ending at 4am tomorrow:
Low: 32 High:
45
Freezing level: 3500’ 5500’
Freezing Level Trends and Timing
Temperatures will slowly rise through the next
24hrs with highs reaching 40f+ during the night. Freezing level will rise above 6000’
tomorrow and higher on Wednesday.
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24hr Winds (mph) ending at 4am tomorrow:
Base: 5-20 WSW
Ridge Top: 10-20 WSW
Trend and Timing:
Light SW
winds will strengthen and shift more westerly tonight. A high wind advisory will be in effect tonight
with 40+knot winds likely through most of tomorrow.
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JM
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