Flash Flood in Terrebonne Parish, Louisiana

Flash Flood August 21, 2025 · Terrebonne Parish, Louisiana

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

What the National Weather Service wrote

Public video of at least very deep water at the corner of Dewey and Aycock Street.

The wider storm

The local area was on the eastern periphery of an upper level ridge. A weak frontal boundary was slowly sagging in from the northeast due to the presence of an upper level trough along the east coast of the United States. Strong daytime heating combined with ample moisture in place and weak surface boundary convergence created an environment conducive for heavy rainfall and a few severe thunderstorms.

Began near Houma (29.5900, -90.7200).

Source: NOAA Storm Events Database, event 1293002. Narratives are written by the National Weather Service forecast office that issued the report.

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