Flash Flood Warning 25, NWS Morristown, TN

Issued

May 4, 2021, 7:00 AM EDT (11:00 UTC)

Expired

May 4, 2021, 10:00 AM EDT

In force

3 hr

Issued by

NWS Morristown, TN

Area

Storm-based polygon

Flood severity

None

Counties Blount County, TN, Sevier County, TN

The Knoxville radar (KMRX), 49 km from the middle of the area, began a volume at 11:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

095 
WGUS54 KMRX 041100
FFWMRX
TNC009-155-041400-
/O.NEW.KMRX.FF.W.0025.210504T1100Z-210504T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
700 AM EDT Tue May 4 2021

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Blount County in east Tennessee...
  Sevier County in east Tennessee...

* Until 1000 AM EDT.

* At 700 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2.5 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.

  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...
  Maryville, Sevierville, Gatlinburg, Pigeon Forge, Eagleton 
  Village, Pittman Center, Townsend, Wears Valley, Roundtop Mountain 
  State Park, Walland, Seymour, Wildwood, Cades Cove, Great Smoky 
  Mountains National Park, Harrisburg, Happy Valley and Fairgarden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3567 8411 3583 8384 3595 8352 3592 8347
      3593 8339 3591 8339 3591 8333 3587 8329
      3584 8328 3583 8326 3581 8327 3582 8328
      3578 8328 3551 8394 3554 8399 3555 8400
      3555 8401 3559 8410

FLASH FLOOD...RADAR INDICATED

$$

CDG

778 
WGUS74 KMRX 041233
FFSMRX

Flash Flood Statement
National Weather Service Morristown TN
833 AM EDT Tue May 4 2021

TNC009-155-041400-
/O.CON.KMRX.FF.W.0025.000000T0000Z-210504T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blount TN-Sevier TN-
833 AM EDT Tue May 4 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS 
MORNING FOR BLOUNT AND SEVIER COUNTIES...

At 833 AM EDT, Emergency management reported thunderstorms producing 
heavy rain and flash flooding in Pigeon Forge. Between 3 and 4 
inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 
inch are possible in the warned area. Flash flooding is already 
occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management 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...
  Maryville, Sevierville, Gatlinburg, Pigeon Forge, Eagleton 
  Village, Pittman Center, Townsend, Wears Valley, Roundtop Mountain 
  State Park, Walland, Seymour, Wildwood, Cades Cove, Great Smoky 
  Mountains National Park, Harrisburg, Happy Valley and Fairgarden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't 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 3567 8411 3583 8384 3595 8352 3592 8347
      3593 8339 3591 8339 3591 8333 3587 8329
      3584 8328 3583 8326 3581 8327 3582 8328
      3578 8328 3551 8394 3554 8399 3555 8400
      3555 8401 3559 8410

FLASH FLOOD...OBSERVED

$$

CDG

Flash Flood Warnings in Tennessee, 2021Every flash flood warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.