Thur, Aug 29th Severe T'Storm Threat Update #1

(9:30PM - 8/28/19) A storm system moving through the region will bring a severe t'storm threat to portions of the state, Thursday afternoon into night.

8/29/19 - Thursday Morning-Night Forecast...
A storm system and associated cold front will be sweeping across the region on Thursday. Scattered showers and t'storms will develop along and ahead of this front during the afternoon, across Wisconsin, Iowa and Northern Illinois. This activity will then sweep southeastward across much of Northern and Central Illinois the rest of the afternoon and into Thursday night. An environment in place featuring moderate instability, moderate moisture and moderate shear will be in place. This will help support an isolated to widely scattered severe t'storm threat across portions of Northern and Central Illinois. Damaging winds and large hail will be the main threats, though an isolated tornado cannot be ruled out. With this update we have expanded severe t'storm probabilities. An upgrade to higher severe t'storm probabilities is possible in future updates.

Below is the TAM severe t'storm forecast for Thursday morning-night.

​JP

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