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Monday, Aug 10, 2026 02:17:08

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Flash Flood Warning 0055
Issued by the Morristown / Knoxville Forecast Office

Action Issued Starts Expiration
New 2026-08-04 14:06:32 2026-08-04 14:05:00 2026-08-04 17:00:00
Continued 2026-08-04 14:58:19 2026-08-04 17:00:00
Expired 2026-08-04 16:50:53 2026-08-04 17:00:00


Action: New
Issued At: 2026-08-04 14:06:32

643 
WGUS54 KMRX 041905
FFWMRX
TNC019-163-171-179-042200-
/O.NEW.KMRX.FF.W.0055.260804T1905Z-260804T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
305 PM EDT Tue Aug 4 2026

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Central Carter County in east Tennessee...
  South Central Sullivan County in east Tennessee...
  Northeastern Unicoi County in east Tennessee...
  Eastern Washington County in east Tennessee...

* Until 600 PM EDT.

* At 305 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to 2 inches of rain have
  fallen. 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...
  Johnson City, Elizabethton, Jonesborough, Central, Pine Crest,
  Hampton, Midway, Oak Grove and Unicoi.

This includes Interstate 26 in Tennessee between mile markers 14 and
22...and between mile markers 23 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3639 8252 3644 8233 3639 8212 3627 8197
      3617 8242

FLASH FLOOD...RADAR INDICATED

$$


Action: Continued
Issued At: 2026-08-04 14:58:19

923 
WGUS74 KMRX 041958
FFSMRX

Flash Flood Statement
National Weather Service Morristown TN
358 PM EDT Tue Aug 4 2026

TNC019-163-171-179-042200-
/O.CON.KMRX.FF.W.0055.000000T0000Z-260804T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carter TN-Sullivan TN-Unicoi TN-Washington TN-
358 PM EDT Tue Aug 4 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR CENTRAL CARTER, SOUTH CENTRAL SULLIVAN, NORTHEASTERN UNICOI AND
EASTERN WASHINGTON COUNTIES...

At 358 PM EDT, There are several social media reports in the Johnson
City area with photos of flash flooding. Notable roads include
Cherokee Road and Unicoi Drive. Between 1.5 and 2.5 inches of rain
have fallen. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public reported.

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...
  Johnson City, Elizabethton, Jonesborough, Central, Pine Crest,
  Hampton, Midway, Oak Grove and Unicoi.

This includes Interstate 26 in Tennessee between mile markers 14 and
22...and between mile markers 23 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3639 8252 3644 8233 3639 8212 3627 8197
      3617 8242

FLASH FLOOD...OBSERVED

$$


Action: Expired
Issued At: 2026-08-04 16:50:53

925 
WGUS74 KMRX 042150
FFSMRX

Flash Flood Statement
National Weather Service Morristown TN
550 PM EDT Tue Aug 4 2026

TNC019-163-171-179-042200-
/O.EXP.KMRX.FF.W.0055.000000T0000Z-260804T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carter TN-Sullivan TN-Unicoi TN-Washington TN-
550 PM EDT Tue Aug 4 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 6 PM EDT THIS EVENING FOR
CENTRAL CARTER, SOUTH CENTRAL SULLIVAN, NORTHEASTERN UNICOI AND
EASTERN WASHINGTON COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.

&&

LAT...LON 3639 8252 3644 8233 3639 8212 3627 8197
      3617 8242

$$

DGS



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