Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Wednesday afternoon, several showers and storms moved through the region. In general, these storms produced winds less than 40 mph as well as briefly heavy rains. One storm however was noticed by a couple of spotters, Jonathon Durall and Dustin Knight, as having a weak gustnado. They took the following photos and brief video of the storm, which occurred in southwest Grayson county in Kentucky yesterday afternoon a little after 4 PM CDT.

Click on the image above to download a short video of the gustnado.

After the storm, they went to the area where the gustnado passed and did not see any damage. Most gustnadoes produce a small area of stronger winds, and in this case it likely only produced winds of 40-45 mph. The National Weather Service Doppler Radar imagery, seen below, from the approximate time of the gustnado showed only a weak rotation.

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Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Weak Gustnado in Southwest Grayson County Kentucky Yesterday