National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Overview

    An easterly flow of moist, unstable air was in place across the High Plains. Easterly flow brought this instability to the foothills of the Rockies where numerous thunderstorms developed in the afternoon and early evening. Winds aloft where out of the west in excess of 60 mph, creating strong wind shear needed for severe thunderstorms to develop. Several rotating storms called supercells formed in eastern Colorado causing baseball size hail, at least 1 tornado and a measured 97 mph wind gust at the Burlington airport. The image below is a visible satellite image taken at 201 PM MDT. If you look close you can see an area of developing cumulus over the Goodland area that would represent the area of strongest instability, where the strongest storms eventually moved along.

 

Satellite Image and surface MSLP and observations 201 PM MDT 6/8/24 (click to enlarge)
2 PM MDT GOES East Visible Imagery, MSLP and surface obs. Image from College of Dupage
 
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