ID WFO SPOKANE Warnings, Watches, and Advisories

WFO SPOKANE Warnings, Watches and Advisories for Thursday, March 1, 2018

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WINTER STORM WATCH

URGENT – WINTER WEATHER MESSAGE

National Weather Service Spokane WA

335 PM PST Tue Feb 27 2018

…Heavy snow possible Wednesday Afternoon through Thursday

Evening…

.A slow moving low pressure system will have the potential to

produced several rounds of heavy mountain snow Wednesday

afternoon into Thursday evening. Motorists with plans to travel

over the Cascade Passes or over Sherman Pass in north central

Washington will experience winter driving conditions as early as

Wednesday afternoon with as much as 1 to 2 feet of accumulation by

Thursday evening. The valleys of the East Slopes of the Cascades,

northeast Washington, and the north Idaho Panhandle will have the

potential for wet snow accumulations, possibly mixed with some

rain on Thursday. Lowland accumulations may vary considerably with

marginal temperatures leading to snow accumulating much more

efficiently in some areas than others.

…WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON

THROUGH THURSDAY EVENING…

* WHAT…Heavy mountain snow with mountain accumulations of 1 to 2

feet by Thursday evening. For the lowlands, mild temperatures

and the potential for a rain and snow mix may limit

accumulations to 3 to 6 inches. Lowland accumulations may vary

considerably with marginal temperatures leading to snow

accumulating much more efficiently in some areas than others.

* WHERE…Sandpoint, Bonners Ferry, Colville, Deer Park, Newport,

Kettle Falls, Republic, Sherman Pass, Leavenworth, Mazama,

Winthrop, Blewett Pass, and Loup Loup Pass.

* WHEN…From Wednesday afternoon through Thursday evening.

* ADDITIONAL DETAILS…Mountain travel will be impacted by this

prolonged period of heavy snow. Lowland travel may be impacted

most during the overnight and early morning hours with

temperatures in the low 30s. Heavy wet snow may break tree

branches and lead to scattered power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Winter Storm Watch means there is potential for significant

snow, sleet or ice accumulations that may impact travel. Continue

to monitor the latest forecasts.

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Copyright 2018 AccuWeather

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Keywords: Idaho, Warnings, Watches and Advisories

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