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Marine Thunderstorm Wind · Gulf of Mexico
Marine Thunderstorm Wind March 16, 2026 · Lake Ponchartrain and Lake Maurepas, Gulf of Mexico
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Weatherflow mesonet at Mid point of the Causeway measured a wind gust of 40 mph or 34 knots.
The wider storm
A potent mid-level system drove strong cold front eastward across the region, including adjacent coastal waters. Ahead of the boundary, a robust low-level jet brough in warm, buoyant, and very moist air northward from the Gulf. Night timing of the line of storms that developed along the front did limit low level instability, however, elevated instability and frontal lift were more than enough to overcome the lack of surface heating. Several locations across coastal waters observed severe convective wind gusts.
Began near Mid Mid Lake Pontchartrain Causeway - Xptn Weatherflow (30.2000, -90.1200).
Source: NOAA Storm Events Database, event 1324439. Narratives are written by the National Weather Service forecast office that issued the report.
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