A meso-scale convective system (MCS) developed out of afternoon thunderstorms initiated along a frontal boundary in northern Alabama and Georgia on the 21st. That MCS raced south across southern Alabama and Mississippi during the overnight hours, moving across the local area on the morning of the 22nd.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LIX wrote it up.
A meso-scale convective system (MCS) developed out of afternoon thunderstorms initiated along a frontal boundary in northern Alabama and Georgia on the 21st. That MCS raced south across southern Alabama and Mississippi during the overnight hours, moving across the local area on the morning of the 22nd. There was also flash flooding in the Baton Rouge Metro due to the portion of the squall line associated with the MCS slowing down as it moved through there. In addition, a home and junior high gym caught fire after lightning strikes. No injuries reported with those fires.
The national radar mosaic for the moment the first event began.
5 flash flood, 2 lightning. Local standard time, as filed.
Broadcast media reported via social media that thunderstorm lightning caused a house fire on Bentons Ferry Avenue.
High water was reported near the intersection of Greenwell Springs and Morgan Roads via social media.
The South Acadian Thruway underpass was impassable due to high water. Report relayed via social media.
Local fire department reported that the Live Oak Junior High gym caught fire after a lightning strike. The time was estimated by lightning data.
East Baton Rouge Parish Emergency Management reported high water along Scenic and Airline Highways.
Greenwell Springs Road at Airline Highway was impassable due to high water. Report relayed via social media.
The entrance of Southern University at Harding Boulevard was closed due to high water. Reported relayed via university social media account.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2022Every state in 2022This day in weather historyWarnings in Louisiana, July 2022
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1043565, 1043566, 1043567, 1043574, 1043568, 1043569, 1043570.