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Marine Thunderstorm Wind · Gulf of Mexico

Marine Thunderstorm Wind April 6, 2025 · Lake Ponchartrain and Lake Maurepas, Gulf of Mexico

39 mph

Measured gust (34 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The Weatherflow mesonet at Lakefront Mandeville XMVL measured a thunderstorm wind gust of 39 mph or 34 knots.

The wider storm

On the afternoon and evening of April 6th, a cold front tied to a low pressure system over the Tennessee Valley swept through the region, triggering a broken quasi-linear convective system (QLCS) in an environment of unstable air and modest wind shear. As the line moved across southeast Louisiana, strong thunderstorm winds gusted over Lake Pontchartrain before exiting the Lake and reaching its peak intensity along the Mississippi coast.

Began near Mandeville Lakefront - Xmvl Weatherflow (30.3600, -90.0900).

Source: NOAA Storm Events Database, event 1258232. Narratives are written by the National Weather Service forecast office that issued the report.

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