Flash Flood in Tangipahoa Parish, Louisiana

Flash Flood March 7, 2026 · Tangipahoa Parish, Louisiana

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

What the National Weather Service wrote

Sheriffs Office in Tangipahoa Parish reports road closure on LA10.

The wider storm

A cold front associated with an upper-level system moved into the local area from the northwest on March 7th. As the upper trough weakened, the front began to stall across the region. Ample moisture was already in place across southeast Louisiana, as evidenced by the afternoon KLIX sounding, which showed record precipitable water values. In addition, sufficient instability aloft supported persistent and robust thunderstorm development. The combination of these factors resulted in widespread flash flooding across the Baton Rouge metropolitan area.

Began near Roseland (30.7796, -90.4939).

Source: NOAA Storm Events Database, event 1323830. Narratives are written by the National Weather Service forecast office that issued the report.

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