Headline:
Winter Weather Advisory issued December 17 at 10:12AM PST until December 18 at 4:00AM PST by NWS Seattle WA
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
December 17, 2024 - 10:12am
Expires:
December 17, 2024 - 10:00pm
Description:
* WHAT...Snow and freezing rain expected at or above elevations
greater than 2500 ft. Total snow accumulations of 3 to 6 inches.
Snow levels are expected to rise this afternoon and freezing rain
accumulations are possible at or very near the passes. Ice
accumulations of up to 0.10 to 0.20 of an inch especially at
Stevens Pass. Ice accumulation east of the passes are expected to
be much higher. Winds gusting as high as 35 mph.
* WHERE...West Slopes North Cascades and Passes, West Slopes North
Central Cascades and Passes, and West Slopes South Central
Cascades and Passes.
* WHEN...Until 4 AM PST Wednesday.
* IMPACTS...Travel could be very difficult with snow and ice on the
roadway.
* ADDITIONAL DETAILS...Periods of snow are expected through this
afternoon. Snow will transition to freezing rain by this evening,
then to rain early Wednesday morning as snow levels gradually
climb from 2500 to near 8000 feet. Ice accumulations are most
likely across Snoqualmie and Stevens Passes but cannot be ruled
out at White Pass.
Instruction:
Slow down and use caution while traveling. Prepare for possible
power outages.
Area Description:
West Slopes North Cascades and Passes; West Slopes North Central Cascades and Passes; West Slopes South Central Cascades and Passes
Forcast Office:
NWS Seattle WA