Flash Flood in Terrebonne Parish, Louisiana

Flash Flood March 23, 2021 · Terrebonne Parish, Louisiana

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

What the National Weather Service wrote

Rainfall totals of 6-7 estimated. Multiple structures with water in the buildings and multiple roads with water across them at this time.

The wider storm

During the daytime hours on March 23rd through March 24th, a deep west coast trough helped to deliver progressive yet strong southwesterly upper-level to mid-level moist flow across the northern Gulf coast. At the surface, a complex of strong to severe thunderstorms approached the area from the west, quickly advancing east causing widespread severe thunderstorms and areas of flash flooding. Another round of thunderstorms developed during the day on March 24th.

Began near Houma (29.5800, -90.7100).

Source: NOAA Storm Events Database, event 949949. Narratives are written by the National Weather Service forecast office that issued the report.

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