Overnight flooding threat looms for Midwest, South after storms knock out power to thousands

While severe thunderstorms are likely overnight, flash flooding is becoming a larger concern for parts of the Midwest and South through Wednesday morning.

ST. LOUIS – Severe storms packing powerful winds knocked out power to thousands across the South on Tuesday as more storms threaten to bring flooding rains to portions of both the South and Midwest overnight.

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A three-hour radar loop showing where showers and thunderstorms are ongoing. Severe Thunderstorm Warnings are indicated in yellow. Tornado Warnings are indicated in red, while Tornado Warnings with a confirmed tornado are indicated in purple. Flash Flood Warnings are indicated in green, while Flash Flood Emergencies are indicated in pink.
(FOX Weather)


 

Rounds of storms moved from Missouri into Mississippi  and Alabama on Tuesday, creating damaging wind along the way. Winds of 70-mph were reported in northern Alabama, but there were also several reports of more than 60-mph winds along the path of the storms. FOX Weather received several reports of trees being toppled by the high winds.

More than 100,000 power outages were reported from Kentucky to Alabama, with the highest number being reported in Tennessee mainly in the Memphis area.

Severe Thunderstorm Watches will likely continue through Tuesday night and into early Wednesday morning. The map below shows the latest severe weather watches there in effect.

Active Severe Thunderstorm and Tornado Watches on Tuesday, July 18, 2023.
(FOX Weather)


 

Heavy rain flash flooding likely from Missouri to Tennessee

In addition to the severe weather threat, the FOX Forecast Center said developing thunderstorms will contain copious amounts of moisture and could train over parts of the region, which could lead to a rapid accumulation of several inches of rain and dangerous and potentially deadly flash flooding. 

According to NOAA’s Weather Prediction Center (WPC), flash flooding is very likely from southeastern Missouri through southern Illinois, and western portions of Tennessee and Kentucky.

People in these areas should have a reliable way to receive weather alerts overnight and have a plan in case flooding threatens their homes.

The flash flood threat on Tuesday, July 18, 2023.
(FOX Weather)


 

Deadly flash flooding reported across the mid-Atlantic, Northeast in recent weeks

At least five people were killed in flash flooding in eastern Pennsylvania on Saturday and nearly a week after deadly flooding soaked areas from the mid-Atlantic to New England.

On Sunday, the National Weather Service issued dozens of Flash Flood Warnings and even a few Tornado Warnings as nearly 60 million residents from Virginia to Maine due to the risk of flooding rainfall and severe weather.

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