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Flash Flood — Knox, TN

Aug 31, 2021

Thunderstorms associated with the remnants of Tropical Cyclone Ida moved across parts of East Tennessee. One storm blew down trees and powerlines in Rhea County. There were localized reports of flooding due to the rainfall gradually accumulating throughout the day, but occasionally heavier rain did fall toward the latter afternoon and early evening hours.

Source: NOAA National Weather Service Storm Events Database (event 983684). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Knox, TN

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

View Knox County flood data →

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