Frigid Arctic Air Mass

Frigid Arctic Air Mass
February 8th, 2021 | NWS

Residents across the Northern Plains and Upper Midwest will start off the
workweek with continued below-average temperatures and brutal wind
chills.

Wind chill values well below zero and as low as -50 degrees could be experienced at times across this region. While not as extreme, this cold airmass stretches as far south as Oklahoma and as far east as the Ohio Valley.

Widespread temperatures 20 to 30 degrees below average can found across these areas thanks to a strong high pressure system and constant flow of bitter arctic air from southwest Canada.


Unfortunately, these below average temperatures don’t appear to moderate
or exit in the foreseeable future. Looking for some mid-winter warmth?
Much of the Southeast and south-central U.S. will enjoy above average
temperatures through Wednesday.

With cold air in place across the northern U.S. and a stalled frontal
boundary bisecting the middle of the country, multiple rounds of wintry
precipiation are expected from the Southern/Central Plains to the
Northeast. Starting with today, light snowfall is expected to continue
across the Northern Rockies and add to the recent fresh snowpack that has
accumulated over the last several days.

Light snow will also be found across the Central Plains and Midwest today as a wave of low pressure develops alongthe frontal boundary and moves toward the Northeast by Tuesday. Generally around 2 to 4 inches of snow can be expected for these locations, with higher amounts up to 6 inches possible across the Northeast.

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