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

1232 PM MST Mon Feb 19 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. In addition, the cold air

will act as a small cold front once it reaches the American Falls

Reservoir. It will spread light to moderate snow from areas west

of Pocatello all the way to Burley tonight.

…WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO 10 AM

MST TUESDAY…

* WHAT…Dangerously cold wind chills will cause frostbite in as

little as 10 minutes to exposed skin. Expect wind chills to

range from 20 below zero to 35 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…From 6 PM this evening to 10 AM MST Tuesday. At first,

elevations at or above 7000 ft will be affected, then by

midnight this should spread down in elevation until nearly all

of Clark and most of Fremont counties are affected.

* ADDITIONAL DETAILS…The windchill is caused by air temperatures

below zero combining with wind of 10 to 15 mph.

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 IN EFFECT FROM 6 PM THIS EVENING TO

5 AM MST TUESDAY…

* WHAT…Snow expected. Plan on slippery road conditions,

including during the evening commute. Total snow accumulations

of up to two inches, with localized amounts up to 4 inches,

are expected.

* WHERE…The lower Snake River plain, from areas west of

Pocatello through the eastern Magic Valley to the Burley area.

The heaviest snowfall is expected from American Falls to the

Cold Water area.

* WHEN…From 6 PM this evening to 5 AM MST Tuesday.

* ADDITIONAL DETAILS…Be prepared for reduced visibilities at

times. 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 Winter Weather Advisory for snow means periods of snow will

cause primarily travel difficulties. Be prepared for snow covered

roads and limited visibilities, and use caution while driving.

The latest road conditions can be obtained by calling 5 1 1.

…WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO

5 AM MST TUESDAY…

* WHAT…Snow expected. Plan on slippery road conditions,

including during the evening commute. Total snow accumulations

of up to two inches, with localized amounts up to 4 inches,

are expected.

* WHERE…The lower Snake River plain, from areas west of

Pocatello through the eastern Magic Valley to the Burley area.

The heaviest snowfall is expected from American Falls to the

Cold Water area.

* WHEN…From 6 PM this evening to 5 AM MST Tuesday.

* ADDITIONAL DETAILS…Be prepared for reduced visibilities at

times. 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 Winter Weather Advisory for snow means periods of snow will

cause primarily travel difficulties. Be prepared for snow covered

roads and limited visibilities, and use caution while driving.

The latest road conditions can be obtained by calling 5 1 1.

…WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO

5 AM MST TUESDAY…

* WHAT…Snow expected. Plan on slippery road conditions,

including during the evening commute. Total snow accumulations

of up to two inches, with localized amounts up to 4 inches,

are expected.

* WHERE…The lower Snake River plain, from areas west of

Pocatello through the eastern Magic Valley to the Burley area.

The heaviest snowfall is expected from American Falls to the

Cold Water area.

* WHEN…From 6 PM this evening to 5 AM MST Tuesday.

* ADDITIONAL DETAILS…Be prepared for reduced visibilities at

times. 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 Winter Weather Advisory for snow means periods of snow will

cause primarily travel difficulties. Be prepared for snow covered

roads and limited visibilities, and use caution while driving.

The latest road conditions can be obtained by calling 5 1 1.

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Copyright 2018 AccuWeather

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Keywords: Idaho, Warnings, Watches and Advisories

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