Severe Thunderstorm Warning Issued for Southeastern Louisiana Parishes Until 12:45 AM

Alert Details

The National Weather Service in New Orleans has issued a Severe Thunderstorm Warning for portions of southeastern Louisiana. The alert was issued at 11:58 PM CDT on March 11 and remains in effect until 12:45 AM CDT on March 12.

Affected Areas

The warning covers the following geographic regions:

• East central Terrebonne Parish
• Central Jefferson Parish
• Southeastern Lafourche Parish
• Northwestern Plaquemines Parish

Specific locations impacted include Grand Isle, Cut Off, Galliano, Larose, Port Sulphur, Golden Meadow, Jean Lafitte, Lafitte, Myrtle Grove, Pointe A La Hache, Barataria, Leeville, Montegut, Chauvin, and Empire.

What You Should Do

Residents in the warning area should move to an interior room on the lowest floor of a sturdy building for protection. Remain alert for a possible tornado, as tornadoes can develop quickly from severe thunderstorms. If you spot a tornado, go at once into a basement or a small central room in a sturdy structure. Additionally, a Tornado Watch remains in effect for southeastern Louisiana until 2:00 AM CDT.

Expected Conditions

• Wind: Radar-indicated wind gusts of up to 60 mph.
• Hail: Hail size up to 0.75 inches is possible.
• Hazards: Severe thunderstorms were located along a line extending from near Myrtle Grove to 7 miles southwest of Golden Meadow, moving east at 25 mph.
• Impacts: Expect damage to roofs, siding, and trees.

Timeline

The Severe Thunderstorm Warning is effective immediately and will expire at 12:45 AM CDT on March 12, 2026. The broader Tornado Watch for the region is scheduled to remain in effect until 2:00 AM CDT.