Thunderstorms in the North Central U.S.; Dangerous Heat in Texas

There is a severe weather and isolated flooding threat from the Central to Northern Plains tonight into early Thursday. The severe weather threat will progress eastward to the Upper Mississippi Valley/Great Lakes into the Lower Ohio Valley Thursday. Major to extreme heat will continue to impact much of southern Texas into next week, where widespread record-breaking temperatures are possible. Read More >

Lake-Enhanced Cold Front

A cold front raced down the length of Lake Michigan Thursday afternoon and pushed inland across eastern portions of Wisconsin. The front brought rapid temperature falls of 16 to 18 degrees in a matter of minutes on gusty northeast winds of 25 to 30 mph, mainly to lakeside locations. Below is a loop of the front moving across southern Wisconsin as seen on reflectivity images from the NWS Milwaukee Sullivan WSR 88-D.

Here are some of the more dramatic temperature falls that occurred from this "pneumonia-type" cold front.

Location	Pre-Front Temp	Post-Front Temp	Time
Milwaukee GLERL	80	62	25 minutes
Gen. Mitchell Intl	83	67	12 minutes
Racine	82	65	25 minutes

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Thunderstorms in the North Central U.S.; Dangerous Heat in Texas

Lake-enhanced cold front