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Flash Flood — Ouachita, LA

Sep 23, 2020

Post-Tropical Cyclone Beta moved ashore across portions of extreme Southeast Texas during the morning hours of September 23rd, with deep tropical moisture associated with this system continuing to spread northeast across much of Louisiana from the 21st to the 23rd. Periods of showers and embedded thunderstorms developed and spread across North Louisiana from the 21st through the 22nd ahead of Beta, resulting in widespread rainfall amounts of 1.50 to in excess of 3 inches, with additional rainfal

Source: NOAA National Weather Service Storm Events Database (event 913737). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Ouachita, LA

This event is one of many recorded floods in Ouachita County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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A strong upper level trough entered the Southern Plains during the afternoon hours of April 12th, which allowed southerly low level winds to gradually return warm and moist air from the Gulf of Mexico north into East Texas and North Louisiana.

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