Strong to severe storms possible late Thursday

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(Photo supplied/ABC 57)

(Tyler Sebree/ABC 57 News) A strong cold front will swing through the Midwest and Great Lakes late Thursday into Thursday night. Ahead of it will exist the potential for numerous thunderstorms, some of which could very become strong to severe.

Zoomed in look at Thursday’s severe weather threat zone

Vigorous thunderstorm development is expected around 4 p.m. across parts of Iowa, Wisconsin and Michigan. Those storms will likely form in a rough line just ahead of the cold front.

As the evening progresses, the line of storms will push southeastward into Illinois, southern Michigan and eventually northern Indiana. A few scattered storms may form ahead of the main line, but that remains to be seen.

Potential radar at 6 p.m. EDT Thursday

The main severe weather “threat zone” stretches from northern Missouri and southeastern Iowa into northern Illinois and southern Wisconsin. That’s where a level 2-of-5 “slight risk” has been highlighted by the Storm Prediction Center.

Those areas have the highest threat of severe thunderstorms capable of damaging winds, large hail, heavy rain, lightning, and perhaps a tornado or two.

Potential radar at 10 p.m. EDT Thursday

That’s because the storms will be in those locations while the sun is still up. In other words, the best ingredients will be in place in those regions. In Michiana, the storms will likely not arrive until after 8-9 p.m. EDT. That means we will be losing daylight, warmth and energy as the storms roll in.

As a result, northern Indiana and much of Michigan are only under a level 1-of-5 “marginal risk” of severe weather. Regardless of the threat level being lower, the risk for a few strong to severe thunderstorms is certainly there Thursday evening.

Threats for northern Indiana, northeast Illinois and most of Michigan

Things could change a bit, but confidence in at least some storms moving through parts of Michiana after 8 p.m. is pretty good. Not everyone will see storms, but there will be some.

Areas with the best chance of storms — including severe storms — are west of U.S. 31 and north of U.S. 30. That would include the following locations:

  • Indiana: Michigan City, La Porte, New Carlisle, South Bend, Mishawaka, Elkhart, Goshen, Knox
  • Michigan: Benton Harbor, St. Joseph, New Buffalo, Niles, Dowagiac, Cassopolis, Edwardsburg, Marcellus, Three Rivers, Sturgis

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