Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 23 at 8:45PM EDT until September 23
Affecting Anderson, TN; Knox, TN
In effect until: Sep 24, 2026, 2:45 AM
Anderson, TN; Knox, TN
Likely impact across 2 counties in TN; effects through 2:45 AM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Read the original bulletin (official text)
FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... South Central Anderson County in east Tennessee... West Central Knox County in east Tennessee... * Until 1045 PM EDT. * At 845 PM EDT, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Oak Ridge, Farragut, Oliver Springs, Karns and Powell. This includes the following highways... Interstate 75 in Tennessee between mile markers 113 and 115. Interstate 40 in Tennessee between mile markers 369 and 375.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™