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Flash Flood — Madison, AL

Aug 20, 2025

Widespread clusters of strong to severe thunderstorms, some with intense rainfall in a short period of time, developed during the early to mid afternoon hours. The thunderstorms moved slowly south to southwest, merging in some areas to produce very heavy rainfall. Excessive rainfall resulted in brief isolated flash flooding in Dekalb and Madison Counties. ||Flash Flooding in DeKalb.|Flash Flooding of Sparkman Drive in front of NSSTC.|Wind Damage.

Source: NOAA National Weather Service Storm Events Database (event 1288676). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Madison, AL

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

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