A cluster of thunderstorms formed during the afternoon across southeast Louisiana in response to high moisture and instability. This cluster of storms were able to take advantage of mid-level dry air to produce severe winds across the Florida parishes and marine areas before pushing into the southshore and producing flash flooding.
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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 cluster of thunderstorms formed during the afternoon across southeast Louisiana in response to high moisture and instability. This cluster of storms were able to take advantage of mid-level dry air to produce severe winds across the Florida parishes and marine areas before pushing into the southshore and producing flash flooding.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before the first event at Jul 17, 5:11 AM CST, 7 hours 32 minutes earlier.
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</html>The Hammond radar (KHDC), 44 km away, was scanning. The volume nearest the first event began at 18:43 UTC.
3 thunderstorm wind, 1 flash flood. Local standard time, as filed.
St Helena sheriffs department received a report of a tree down on highway 63, north of highway 16.
St. Helena Sheriffs Department received a report of a tree down on highway 441 north of highway 38.
St. Helena Sheriffs Office received a report of a powerline down off of Bates Road.
Road closure due to high water off Riverbend Drive in St. Rose.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2024Every state in 2024This day in weather historyWarnings in Louisiana, July 2024
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: 1205766, 1205768, 1205769, 1205765.