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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Keywords: Idaho, Warnings, Watches and Advisories