Marine Thunderstorm Wind — Lake Ponchartrain and Lake Maurepas, Gulf of Mexico
2025-08-17 · near Mandeville Lakefront - Xmvl Weatherflow, Lake Ponchartrain and Lake Maurepas, Gulf of Mexico
37 MG
Magnitude
Event narrative
The Mandeville Lakefront Weatherflow station XMLV measured a marine thunderstorm wind gust of 41 mph or 36 knots.
Wider weather episode
A typical summertime pattern was in place across the region, with intense daytime heating and abundant low-level moisture leading to the development of numerous afternoon thunderstorms. The storms were primarily outflow-driven, producing locally strong and gusty winds. A couple storms produced severe marine wind gusts.
View location on OpenStreetMap → (30.3600, -90.0900)
Source: NOAA Storm Events Database, event_id 1292987. Narrative written by the NWS forecast office that issued the report.