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Home Return to list Flash Flood Warning 0063 Issued by the Morristown / Knoxville Forecast Office
Action: New Issued At: 2026-08-11 21:30:31
182
WGUS54 KMRX 120230
FFWMRX
TNC009-093-155-120530-
/O.NEW.KMRX.FF.W.0063.260812T0230Z-260812T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
1030 PM EDT Tue Aug 11 2026
The National Weather Service in Morristown has issued a
* Flash Flood Warning for...
Northeastern Blount County in east Tennessee...
Southeastern Knox County in east Tennessee...
Western Sevier County in east Tennessee...
* Until 130 AM EDT.
* At 1030 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
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...
Knoxville, Sevierville, Gatlinburg, Pigeon Forge, Pittman Center,
McMahan, Seymour, Kimberlin Heights and Wears Valley.
This includes the following highways...
Interstate 75 in Tennessee between mile markers 108 and 109.
Interstate 40 in Tennessee between mile markers 384 and 403.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3596 8402 3603 8398 3608 8391 3609 8388
3606 8379 3603 8373 3598 8365 3593 8356
3584 8350 3577 8343 3570 8338 3564 8352
3568 8367 3571 8374 3586 8392
FLASH FLOOD...RADAR INDICATED
$$
52
Action: Continued Issued At: 2026-08-11 21:58:02
765
WGUS74 KMRX 120257
FFSMRX
Flash Flood Statement
National Weather Service Morristown TN
1057 PM EDT Tue Aug 11 2026
TNC009-093-155-120530-
/O.CON.KMRX.FF.W.0063.000000T0000Z-260812T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blount TN-Knox TN-Sevier TN-
1057 PM EDT Tue Aug 11 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM EDT WEDNESDAY
FOR NORTHEASTERN BLOUNT, SOUTHEASTERN KNOX AND WESTERN SEVIER
COUNTIES...
At 1057 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 3 inches of rain have
fallen. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams, urban
areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Knoxville, Sevierville, Gatlinburg, Pigeon Forge, Pittman Center,
McMahan, Seymour, Kimberlin Heights and Wears Valley.
This includes the following highways...
Interstate 75 in Tennessee between mile markers 108 and 109.
Interstate 40 in Tennessee between mile markers 384 and 403.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3596 8402 3603 8398 3608 8391 3609 8388
3606 8379 3603 8373 3598 8365 3593 8356
3584 8350 3577 8343 3570 8338 3564 8352
3568 8367 3571 8374 3586 8392
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
52
Action: Time Extended Issued At: 2026-08-11 23:43:36
576
WGUS54 KMRX 120443
FFWMRX
TNC009-093-155-120630-
/O.EXT.KMRX.FF.W.0063.000000T0000Z-260812T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
1243 AM EDT Wed Aug 12 2026
The National Weather Service in Morristown has extended the
* Flash Flood Warning for...
Northeastern Blount County in east Tennessee...
Southeastern Knox County in east Tennessee...
Western Sevier County in east Tennessee...
* Until 230 AM EDT.
* At 1243 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1 inch are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
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...
Knoxville, Sevierville, Gatlinburg, Pigeon Forge, Pittman Center,
McMahan, Seymour, Kimberlin Heights and Wears Valley.
This includes the following highways...
Interstate 75 in Tennessee between mile markers 108 and 109.
Interstate 40 in Tennessee between mile markers 384 and 403.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3596 8402 3603 8398 3608 8391 3609 8388
3606 8379 3603 8373 3598 8365 3593 8356
3584 8350 3577 8343 3570 8338 3564 8352
3568 8367 3571 8374 3586 8392
FLASH FLOOD...RADAR INDICATED
$$
52
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