Flash Flood Warning 17, NWS Morristown, TN

Issued

Mar 28, 2021, 7:49 AM EDT (11:49 UTC)

Expired

Mar 28, 2021, 1:06 PM EDT

In force

5 hr

Issued by

NWS Morristown, TN

Area

Storm-based polygon

Flood severity

None

Counties Grainger County, TN, Hamblen County, TN, Jefferson County, TN, Knox County, TN, Sevier County, TN

The Knoxville radar (KMRX), 12 km from the middle of the area, began a volume at 11:50 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.

847 
WGUS54 KMRX 281149
FFWMRX
TNC057-063-089-093-155-281615-
/O.NEW.KMRX.FF.W.0017.210328T1149Z-210328T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
749 AM EDT Sun Mar 28 2021

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Central Grainger County in east Tennessee...
  Hamblen County in east Tennessee...
  Jefferson County in east Tennessee...
  Eastern Knox County in east Tennessee...
  Northern Sevier County in east Tennessee...

* Until 1215 PM EDT.

* At 749 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 2 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.

  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, Morristown, Sevierville, Jefferson City, Dandridge, 
  Bean Station, White Pine, New Market, Baneberry, Russellville, 
  Strawberry Plains, Blaine, Piedmont, Kodak, Buffalo Springs, 
  Alpha, Panther Creek State Park, Fairgarden, Bird Crossing and 
  Chestnut Hill.

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 3585 8390 3616 8375 3621 8370 3628 8323
      3631 8315 3624 8308 3618 8319 3613 8318
      3615 8322 3612 8322 3613 8324 3608 8323
      3608 8325 3605 8324 3600 8327 3601 8328
      3591 8330 3585 8377 3589 8379 3585 8385

FLASH FLOOD...RADAR INDICATED

$$

19

436 
WGUS54 KMRX 281604
FFWMRX
TNC057-063-089-093-155-281715-
/O.EXT.KMRX.FF.W.0017.000000T0000Z-210328T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
1204 PM EDT Sun Mar 28 2021

The National Weather Service in Morristown has extended the

* Flash Flood Warning for...
  Central Grainger County in east Tennessee...
  Hamblen County in east Tennessee...
  Jefferson County in east Tennessee...
  Eastern Knox County in east Tennessee...
  Northern Sevier County in east Tennessee...

* Until 115 PM EDT.

* At 1204 PM EDT, local law enforcement reported flash flooding 
  across the warned area earlier. Between 1 and 3 inches of rain 
  have fallen. Even though the rain has stopped it will take a few 
  hours for the flood waters to recede.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Law enforcement 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...
  Knoxville, Morristown, Sevierville, Jefferson City, Dandridge, 
  Bean Station, White Pine, New Market, Baneberry, Russellville, 
  Strawberry Plains, Blaine, Piedmont, Kodak, Buffalo Springs, 
  Alpha, Panther Creek State Park, Fairgarden, Bird Crossing and 
  Chestnut Hill.

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 3585 8390 3616 8375 3621 8370 3628 8323
      3631 8315 3624 8308 3618 8319 3613 8318
      3615 8322 3612 8322 3613 8324 3608 8323
      3608 8325 3605 8324 3600 8327 3601 8328
      3591 8330 3585 8377 3589 8379 3585 8385

FLASH FLOOD...OBSERVED

$$

19

173 
WGUS74 KMRX 281706
FFSMRX

Flash Flood Statement
National Weather Service Morristown TN
106 PM EDT Sun Mar 28 2021

TNC057-063-089-093-155-281716-
/O.CAN.KMRX.FF.W.0017.000000T0000Z-210328T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grainger TN-Hamblen TN-Jefferson TN-Knox TN-Sevier TN-
106 PM EDT Sun Mar 28 2021

...FLASH FLOOD WARNING FOR CENTRAL GRAINGER, HAMBLEN, JEFFERSON, 
EASTERN KNOX AND NORTHERN SEVIER COUNTIES HAS BEEN REPLACED WITH A 
FLOOD WARNING...

Flood waters will continue to impact low lying areas and several 
roadways into the afternoon.

LAT...LON 3585 8390 3616 8375 3621 8370 3628 8323
      3631 8315 3624 8308 3618 8319 3613 8318
      3615 8322 3612 8322 3613 8324 3608 8323
      3608 8325 3605 8324 3600 8327 3601 8328
      3591 8330 3585 8377 3589 8379 3585 8385

$$

GC

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.