Flash Flood Warning 26, NWS Morristown, TN

Issued

May 4, 2021, 11:11 AM EDT (15:11 UTC)

Expired

May 4, 2021, 2:15 PM EDT

In force

3 hr

Issued by

NWS Morristown, TN

Area

Storm-based polygon

Flood severity

None

Counties Hamilton County, TN, Marion County, TN, Sequatchie County, TN

The Northeast Alabama radar (KHTX), 96 km from the middle of the area, began a volume at 15:14 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.

055 
WGUS54 KMRX 041511
FFWMRX
TNC065-115-153-041815-
/O.NEW.KMRX.FF.W.0026.210504T1511Z-210504T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
1111 AM EDT Tue May 4 2021

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Hamilton County in east Tennessee...
  Southeastern Marion County in east Tennessee...
  Southeastern Sequatchie County in east Tennessee...

* Until 215 PM EDT /115 PM CDT/.

* At 1111 AM EDT /1011 AM CDT/, Doppler radar indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  2 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...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...
  Chattanooga, Jasper, Soddy-Daisy, Signal Mountain, South 
  Pittsburg, Walden, Lakesite, Kimball, Ridgeside, Fairmount, 
  Harrison, Red Bank, Collegedale, Powells Crossroads, Falling 
  Water, Middle Valley, North Chickamauga Creek Gorge, Mowbray 
  Mountain, Lone Oak and Harrison Bay State Park.

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 3499 8573 3537 8524 3535 8523 3545 8517
      3546 8512 3543 8510 3544 8507 3541 8502
      3538 8503 3537 8502 3538 8500 3536 8498
      3531 8497 3528 8494 3526 8497 3513 8503
      3508 8500 3505 8500 3502 8496 3499 8498

FLASH FLOOD...RADAR INDICATED

$$

CDG

268 
WGUS74 KMRX 041700
FFSMRX

Flash Flood Statement
National Weather Service Morristown TN
100 PM EDT Tue May 4 2021

TNC065-115-153-041815-
/O.CON.KMRX.FF.W.0026.000000T0000Z-210504T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hamilton TN-Marion TN-Sequatchie TN-
100 PM EDT Tue May 4 2021 /1200 PM CDT Tue May 4 2021/

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT/115 PM 
CDT/ THIS AFTERNOON FOR HAMILTON, SOUTHEASTERN MARION AND 
SOUTHEASTERN SEQUATCHIE COUNTIES...

At 100 PM EDT /1200 PM CDT/, Doppler radar indicated thunderstorms 
producing heavy rain across the warned area. Between 2.5 and 3 
inches of rain have fallen. Additional rainfall amounts up to 0.5 
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...
  Chattanooga, Jasper, Soddy-Daisy, Signal Mountain, South 
  Pittsburg, Walden, Lakesite, Kimball, Ridgeside, Fairmount, 
  Harrison, Red Bank, Collegedale, Powells Crossroads, Falling 
  Water, Middle Valley, North Chickamauga Creek Gorge, Mowbray 
  Mountain, Lone Oak and Harrison Bay State Park.

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 3499 8573 3537 8524 3535 8523 3545 8517
      3546 8512 3543 8510 3544 8507 3541 8502
      3538 8503 3537 8502 3538 8500 3536 8498
      3531 8497 3528 8494 3526 8497 3513 8503
      3508 8500 3505 8500 3502 8496 3499 8498

FLASH FLOOD...RADAR INDICATED

$$

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.