Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 191, NWS New Orleans, LA

August 22, 2025Saint Tammany Parish, Tangipahoa Parish, Washington Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Aug 22, 2025, 2:35 PM CDT for Saint Tammany Parish, Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 22, 2025, 2:35 PM CDT (19:35 UTC)
Expired
Aug 22, 2025, 3:15 PM CDT
In force
40 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA

The radar

The Hammond radar (KHDC), 29 km from the middle of the area, began a volume at 19:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 21, 6:45 PM CDT, 19 hours 50 minutes earlier.

Area forecast discussion, Aug 21, 6:45 PM CDT, 19 hours 50 minutes before
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The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 22, 12:32 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines, Saint Bernard3 hr
Aug 22, 12:37 PM CDTSpecial Weather StatementLIXOrleans83 min
Aug 22, 1:01 PM CDTSpecial Weather StatementLIXSaint Tammany89 min
Aug 22, 1:43 PM CDTSpecial Weather StatementLIXSaint Tammany62 min
Aug 22, 1:45 PM CDTSpecial Weather StatementLIXTangipahoa3 hr
Aug 22, 1:48 PM CDTSpecial Weather StatementLIXWest Baton Rouge57 min
Aug 22, 1:55 PM CDTSpecial Weather StatementLIXWashington95 min
Aug 22, 2:19 PM CDTSpecial Weather StatementLIXSaint Helena86 min
Aug 22, 3:01 PM CDTSpecial Weather StatementLIXTangipahoa59 min
Aug 22, 3:27 PM CDTSpecial Weather StatementLIXWest Feliciana93 min
Aug 22, 3:31 PM CDTSpecial Weather StatementLIXAscension, Saint James59 min
Aug 22, 12:35 PM CDTSpecial Weather StatementLIXHancock85 min
Aug 22, 1:25 PM CDTSpecial Weather StatementLIXHarrison65 min
Aug 22, 3:16 PM CDTSpecial Weather StatementLIXWalthall89 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2025Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.