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Flash Flood — Denton, TX

Sep 22, 2025

On the afternoon of September 21, North Texas experienced explosive thunderstorm development due to a shortwave trough and a meandering front interacting with a warm, unstable environment. These storms persisted through the evening and dissipated overnight into the morning of September 22. Multiple storms produced reports of large hail and damaging winds, with some isolated instances of flash flooding also occurring.

Source: NOAA National Weather Service Storm Events Database (event 1295138). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Denton, TX

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

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