Alert archive / Louisiana / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 151, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Aug 24, 2026, 2:49 PM CDT for 10 parishes in Louisiana. It was in force for 56 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 24, 2026, 2:49 PM CDT (19:49 UTC)
- Expired
- Aug 24, 2026, 3:45 PM CDT
- In force
- 56 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Ascension Parish, LA, Assumption Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA
The radar
The Hammond radar (KHDC), 71 km from the middle of the area, began a volume at 19:52 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 24, 12:38 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 hours before the alert went out and 76 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1192 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1362 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:22 PM CDT | Special Weather Statement | LIX | Jefferson | 38 min |
| Aug 23, 11:30 PM CDT | Special Marine Warning | LIX | 45 min | |
| Aug 24, 12:01 AM CDT | Special Weather Statement | LIX | Saint Helena | 44 min |
| Aug 24, 12:48 PM CDT | Special Weather Statement | LIX | Livingston | 42 min |
| Aug 24, 12:53 PM CDT | Special Weather Statement | LIX | Washington | 37 min |
| Aug 24, 1:08 PM CDT | Special Weather Statement | LIX | Saint Tammany | 52 min |
| Aug 24, 1:39 PM CDT | Special Weather Statement | LIX | Livingston, Tangipahoa | 36 min |
| Aug 24, 1:42 PM CDT | Special Marine Warning | LIX | 96 min | |
| Aug 24, 2:01 PM CDT | Special Weather Statement | LIX | Ascension, East Baton Rouge, West Baton Rouge | 44 min |
| Aug 24, 2:15 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, Iberville, Livingston, West Baton Rouge | 45 min |
| Aug 24, 2:18 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Livingston, Saint Charles, Saint John the Baptist, Tangipahoa | 57 min |
| Aug 24, 2:44 PM CDT | Special Marine Warning | LIX | 91 min | |
| Aug 24, 2:50 PM CDT | Special Marine Warning | LIX | 85 min | |
| Aug 24, 3:16 PM CDT | Severe Thunderstorm Warning | LIX | Assumption, Lafourche, Saint Charles, Saint James, Terrebonne | 59 min |
| Aug 24, 3:40 PM CDT | Special Weather Statement | LIX | Jefferson | 65 min |
| Aug 24, 4:09 PM CDT | Special Marine Warning | LIX | 95 min | |
| Aug 23, 7:46 PM CDT | Special Weather Statement | LIX | Jackson | 44 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.