Powerful Thunderstorms Eye Dakotas, Minnesota
11:45 AM CDT, August 18, 2013
UPDATED By WeatherBug Sr. Meteorologist, John Bateman
A rash of powerful thunderstorms will bring severe weather to the northern Plains and Upper Midwest later today. Not only will large hail and high winds be byproducts of the thunderstorms, but even an isolated tornado cannot be ruled out.
Instigating a burst of severe thunderstorms late this afternoon and evening will be a cold front sliding out of southern Canada into the U.S. Northern Tier. Ahead of the front, warm and humid air will be driven northward from the Gulf of Mexico throughout the Plains, with a punch of cooler, drier air following closely in the front`s wake.
The two air masses will team up, squeezing out a smattering of dangerous thunderstorms from north-central South Dakota and eastern North Dakota into northwestern Minnesota late this afternoon. The thunderstorms will drive eastward into central and northeastern Minnesota this evening and tonight, although they will likely lose their punch as they do so.
Even so, all facets of severe weather will be in play along the Interstate 94 and 29 corridors today. Hail larger than golf balls, destructive winds up to 70 mph and even a few short-lived tornadoes will be possible for cities such as Dickinson, Bismarck, and Fargo, N.D. Even Grand Forks, N.D., Bemidji, Minn., and Aberdeen, S.D., will also need to keep a watchful eye to the sky this evening.
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