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Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Overview

The afternoon of Sunday, July 30th began with a potent supercell that developed over the Black Hills, dropping baseball sized hail at Pactola Reservoir. As it moved southeastward, over 3 inch hail fell along the Flume Trail. The storm quickly dissipated as it moved off the Black Hills. More severe thunderstorms developed across northeastern WY later in the afternoon and evening, resulting in golf ball sized hail and up to 80 mph winds. The storms expanded into western SD during the evening.

24-hour Lightning Map ending 12z July 31, 2023
Here is the 24-hour GLM lightning map from 6 am MDT (7/30) to 6 am MDT (7/31).

 

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