Flash Flood Warning 18, NWS Morristown, TN

Issued

Mar 28, 2021, 7:52 AM EDT (11:52 UTC)

Expired

Mar 28, 2021, 1:15 PM EDT

In force

5 hr

Issued by

NWS Morristown, TN

Area

Storm-based polygon

Flood severity

None

Counties Bradley County, TN, Hamilton County, TN, Polk County, TN

The Northeast Alabama radar (KHTX), 135 km from the middle of the area, began a volume at 11:53 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.

387 
WGUS54 KMRX 281152
FFWMRX
TNC011-065-139-281715-
/O.NEW.KMRX.FF.W.0018.210328T1152Z-210328T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Bradley County in east Tennessee...
  Southeastern Hamilton County in east Tennessee...
  Polk County in east Tennessee...

* Until 115 PM EDT.

* At 752 AM 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 0.5 to 1.5 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, Cleveland, Benton, Ducktown, Charleston, Wildwood 
  Lake, East Cleveland, South Cleveland, Collegedale, Calhoun, 
  Parksville, Reliance, Conasauga, Archville, Gap Springs, Tasso, 
  Hiwassee Ocoee State Park, Big Frog Mountain, Waterville and Flint 
  Springs.

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 8517 3531 8478 3529 8475 3529 8472
      3528 8473 3527 8475 3526 8474 3526 8470
      3524 8470 3527 8467 3527 8453 3528 8450
      3523 8436 3520 8434 3522 8433 3521 8429
      3499 8432

FLASH FLOOD...RADAR INDICATED

$$

19

525 
WGUS74 KMRX 281712
FFSMRX

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

TNC011-065-139-281722-
/O.EXP.KMRX.FF.W.0018.000000T0000Z-210328T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradley TN-Hamilton TN-Polk TN-
112 PM EDT Sun Mar 28 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 115 PM EDT THIS AFTERNOON FOR 
BRADLEY, SOUTHEASTERN HAMILTON AND POLK COUNTIES...

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

A Flash Flood Watch remains in effect until 800 PM EDT Sunday for A 
portion of east Tennessee.

LAT...LON 3499 8517 3531 8478 3529 8475 3529 8472
      3528 8473 3527 8475 3526 8474 3526 8470
      3524 8470 3527 8467 3527 8453 3528 8450
      3523 8436 3520 8434 3522 8433 3521 8429
      3499 8432

$$

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.