Severe Weather Threatens Arklatex, Mississippi Valley

By Brian Edwards, Meteorologist
Feb 26, 2012; 10:45 AM ET
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Photo courtesy of Photos.com.

A storm system which will eject out into the Plains Monday night will spark a severe weather outbreak Tuesday across the Arklatex and lower Mississippi Valley.

This will be the same storm that slams the northern Plains with a blizzard Tuesday night.

On the warmer side of this storm, strong winds coming out of the Gulf of Mexico will transport deep moisture into parts of the southern Plains and lower Mississippi River Valley by Monday night.

This moisture and these strong winds aloft will interact with the approaching storm sparking showers and thunderstorms from eastern Oklahoma through southern Missouri and western Kentucky southward to the Gulf Coast beginning late Monday night.

Storms initially could develop during the overnight hours early Tuesday morning from eastern Kansas through eastern Oklahoma and northeastern Texas, including the cities of Topeka, Tulsa and Texarkana.

The strongest of these thunderstorms early Tuesday morning could unleash hail.

The severe weather threat will rapidly increase farther to the east on Tuesday as surface heating combines with the approaching storm and all the moisture available.

Cities in line for the greatest threat of severe weather Tuesday afternoon and Tuesday night include Shreveport, La., Little Rock, Ark., Memphis, Tenn., and Cape Girardeau, Mo.

Damaging wind gusts to 70 mph, a few tornadoes, and hail to the size of baseballs will all be possible with the strongest thunderstorms.

A nocturnal severe weather threat Tuesday night will likely continue into Kentucky, Tennessee and northern parts of Alabama and Mississippi with damaging winds becoming the main threats.

Keep checking back with AccuWeather.com over the next few days as we begin to detail the severe weather potential Monday night through Tuesday night.

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past 24 hours

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High 100° Smyrna, TN
Low 15° Sunset Crater, AZ
Precip 3.99" Wadena, MN

WeatherWhys®

Hail is much more common during the months of May and June compared to July and August. The main reason is the fact that the freezing level is usually higher during July and August as pockets of cold air in the upper atmosphere are less common as the jet stream weakens and retreats farther north.

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5/28/2012 5:16:56 PM /news-entry.asp 9 .75.119 (accuweather)-- [new]