ID WFO POCATELLO Warnings, Watches, and Advisories

WFO POCATELLO Warnings, Watches and Advisories for Tuesday, February 20, 2018

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WIND CHILL WARNING

URGENT – WINTER WEATHER MESSAGE

National Weather Service Pocatello ID

444 AM MST Tue Feb 20 2018

…Arctic air generating bone chilling cold and some snow…

.Arctic air has spilled over the continental divide from

southwest Montana. The air is extremely cold, with single digit

overnight lows expected as far south and west as the eastern

Magic Valley. Widespread areas of Clark and Fremont counties will

also have enough wind to plunge Effective Chill Temperatures

(Windchill) below minus twenty degrees Fahrenheit.

…WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS

MORNING…

* WHAT…Dangerously cold wind chills expected. The dangerously

cold wind chills will cause frostbite in as little as 10

minutes to exposed skin. Expect wind chills to range from 5

above zero to 30 below zero.

* WHERE…The upper Snake Highlands, including Clark and Fremont

counties in Idaho, including the towns of Macks Inn, Island

Park, Dubois, and Spencer.

* WHEN…Until 10 AM MST this morning.

* ADDITIONAL DETAILS…Cold wind chills as low as 15 below zero

will cause frostbite in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Wind Chill Warning means the combination of very cold air and

the wind will create dangerously low wind chill values. Frost

bite can occur quickly and even hypothermia or death if

precautions are not taken.

…WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS

MORNING…

Snow has mostly tapered off, but there may still be some patches

of blowing and drifting snow through late morning.

…WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS

MORNING…

Snow has mostly tapered off, but there may still be some patches

of blowing and drifting snow through late morning.

…WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS

MORNING…

Snow has mostly tapered off, but there may still be some patches

of blowing and drifting snow through late morning.

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Copyright 2018 AccuWeather

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Keywords: Idaho, Warnings, Watches and Advisories

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