Flash Flood Warning 3, NWS Morristown, TN

Issued

Mar 27, 2021, 10:36 AM EDT (14:36 UTC)

Expired

Mar 27, 2021, 2:30 PM EDT

In force

4 hr

Issued by

NWS Morristown, TN

Area

Storm-based polygon

Flood severity

None

Counties Morgan County, TN, Scott County, TN

The Knoxville radar (KMRX), 115 km from the middle of the area, began a volume at 14:38 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.

115 
WGUS54 KMRX 271436
FFWMRX
TNC129-151-271830-
/O.NEW.KMRX.FF.W.0003.210327T1436Z-210327T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
1036 AM EDT Sat Mar 27 2021

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Northwestern Morgan County in east Tennessee...
  Scott County in east Tennessee...

* Until 230 PM EDT.

* At 1036 AM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 1.5 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 and automated gauges.

  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...
  Oneida, Huntsville, Helenwood, Winfield, Sunbright, Robbins, Honey 
  Creek State Park, Elgin, Rugby, Rugby State Park, Big South Fork 
  National Park, Deerlodge, Frozen Head State Park, Ketchen and High 
  Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3640 8466 3660 8479 3659 8426 3654 8425
      3651 8430 3651 8433 3635 8447 3622 8463
      3611 8485 3615 8491 3621 8491 3624 8488
      3628 8488 3630 8479 3633 8477 3634 8474
      3635 8474 3635 8473 3638 8472 3637 8471

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

GC

463 
WGUS74 KMRX 271837
FFSMRX

Flash Flood Statement
National Weather Service Morristown TN
237 PM EDT Sat Mar 27 2021

TNC129-151-271847-
/O.EXP.KMRX.FF.W.0003.000000T0000Z-210327T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morgan TN-Scott TN-
237 PM EDT Sat Mar 27 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHWESTERN MORGAN AND SCOTT 
COUNTIES...

Flood waters have receded. However additional rainfall will occur 
today and tonight. Stay abreast for additional statements if 
flooding redevelops, and 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 3640 8466 3660 8479 3659 8426 3654 8425
      3651 8430 3651 8433 3635 8447 3622 8463
      3611 8485 3615 8491 3621 8491 3624 8488
      3628 8488 3630 8479 3633 8477 3634 8474
      3635 8474 3635 8473 3638 8472 3637 8471

$$

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.