Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Morristown, TN

March 28, 20215 counties in Virginia

NWS Morristown, TN issued this flash flood warning at Mar 28, 2021, 6:52 AM EDT for 5 counties in Virginia. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 28, 2021, 6:52 AM EDT (10:52 UTC)
Expired
Mar 28, 2021, 1:15 PM EDT
In force
6 hr
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Flood severity
None

Counties City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Wise County, VA

The radar

The Jackson,KY radar (KJKL), 102 km from the middle of the area, began a volume at 10:52 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.

What was reported inside it

TimeReportWhereRemark
Mar 28, 8:40 AM EDTFLASH FLOODWise, VAROADS FLOODED AND IMPASSABLE.

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.9 hours before the alert went out and 249 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

455 
WGUS54 KMRX 281052
FFWMRX
VAC105-167-169-195-720-281515-
/O.NEW.KMRX.FF.W.0014.210328T1052Z-210328T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Morristown has issued a

* Flash Flood Warning for...
  Northeastern Lee County in southwestern Virginia...
  Russell County in southwestern Virginia...
  Northeastern Scott County in southwestern Virginia...
  Wise County in southwestern Virginia...
  The City of Norton in southwestern Virginia...

* Until 1115 AM EDT.

* At 652 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 1 and 1.5 inches of rain 
  have fallen since 5 AM. Additional rainfall amounts of an 1 inch 
  or more 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...
  Norton, Lebanon, Wise, Big Stone Gap, Cleveland Va, Coeburn, 
  Appalachia, Honaker, Pound, St. Paul, Dungannon, St. Charles, 
  Castlewood, Pardee, Rosedale, Dye and Dryden.

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 3698 8287 3705 8272 3712 8272 3720 8255
      3713 8255 3702 8248 3696 8236 3704 8217
      3705 8204 3712 8201 3714 8190 3696 8178
      3686 8195 3688 8198 3683 8211 3678 8253
      3679 8312 3685 8307 3685 8301 3689 8288

FLASH FLOOD...RADAR INDICATED

$$

GC
2 follow-up statements
727 
WGUS54 KMRX 281457
FFWMRX
VAC105-167-169-195-720-281715-
/O.EXT.KMRX.FF.W.0014.000000T0000Z-210328T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
1057 AM EDT Sun Mar 28 2021

The National Weather Service in Morristown has extended the

* Flash Flood Warning for...
  Northeastern Lee County in southwestern Virginia...
  Russell County in southwestern Virginia...
  Northeastern Scott County in southwestern Virginia...
  Wise County in southwestern Virginia...
  The City of Norton in southwestern Virginia...

* Until 115 PM EDT.

* At 1057 AM EDT, local law enforcement reported flash flooding 
  across the warned area. Between 1 and 2 inches of rain have 
  fallen. Even though the rain has stopped it will take several 
  hours for some of the flooding 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...
  Norton, Lebanon, Wise, Big Stone Gap, Cleveland Va, Coeburn, 
  Appalachia, Honaker, Pound, St. Paul, Dungannon, St. Charles, 
  Castlewood, Pardee, Rosedale, Dye and Dryden.

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 3693 8286 3698 8287 3704 8272 3712 8272
      3720 8255 3713 8255 3702 8248 3696 8236
      3704 8217 3705 8204 3712 8201 3714 8190
      3696 8178 3686 8195 3688 8198 3683 8211
      3678 8253 3679 8312 3685 8307 3689 8288

FLASH FLOOD...OBSERVED

$$

19
550 
WGUS74 KMRX 281717
FFSMRX

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

VAC105-167-169-195-720-281727-
/O.EXP.KMRX.FF.W.0014.000000T0000Z-210328T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee VA-Russell VA-Scott VA-Wise VA-City of Norton VA-
117 PM EDT Sun Mar 28 2021

...FLASH FLOOD WARNING HAS BEEN REPLACED WITH A FLOOD WARNING FOR 
NORTHEASTERN LEE, RUSSELL, NORTHEASTERN SCOTT AND WISE COUNTIES AND 
THE CITY OF NORTON...

A Flood Warning will be in effect until 400 PM EDT. Please continue 
to heed remaining road closures.

LAT...LON 3693 8286 3698 8287 3704 8272 3712 8272
      3720 8255 3713 8255 3702 8248 3696 8236
      3704 8217 3705 8204 3712 8201 3714 8190
      3696 8178 3686 8195 3688 8198 3683 8211
      3678 8253 3679 8312 3685 8307 3689 8288

$$

GC

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 27, 8:06 PM EDTSpecial Weather StatementMRXScott39 min
Mar 27, 8:31 PM EDTSevere Thunderstorm WarningMRXScott, Washington, City of Bristol44 min
Mar 27, 8:36 PM EDTAreal Flood WarningMRXLee, Scott3 hr
Mar 27, 11:37 PM EDTAreal Flood WarningMRXLee, Scott3 hr
Mar 28, 12:55 AM EDTSpecial Weather StatementMRXLee50 min
Mar 28, 1:14 AM EDTFlash Flood WarningMRXLee, Scott3 hr
Mar 28, 1:39 AM EDTSpecial Weather StatementMRXScott, City of Bristol51 min
Mar 28, 1:43 AM EDTAreal Flood WarningMRXRussell, Scott, Washington, City of Bristol3 hr
Mar 28, 1:47 AM EDTSevere Thunderstorm WarningMRXScott43 min
Mar 28, 2:18 AM EDTSevere Thunderstorm WarningMRXScott, Washington, City of Bristol42 min
Mar 28, 2:46 AM EDTSevere Thunderstorm WarningMRXWashington18 min
Mar 28, 2:58 AM EDTFlash Flood WarningMRXRussell, Scott, Washington, City of Bristol3 hr
Mar 28, 4:04 AM EDTFlash Flood Warning Considerable damage threatMRXLee, Scott7 hr
Mar 28, 4:16 AM EDTFlash Flood Warning Considerable damage threatMRXScott, Washington, City of Bristol3 hr
Mar 28, 4:58 AM EDTAreal Flood AdvisoryMRXLee, Russell, Scott, Wise, City of Norton115 min
Mar 28, 6:08 AM EDTSpecial Weather StatementMRXScott, City of Norton52 min
Mar 28, 7:08 AM EDTFlash Flood WarningMRXRussell, Scott, Washington, City of Bristol6 hr
Mar 28, 7:46 AM EDTRiver Flood WarningMRXScott35 hr
Mar 28, 9:05 AM EDTRiver Flood WarningMRXLee23 hr
Mar 28, 11:07 AM EDTRiver Flood WarningMRXScott33 hr
Mar 28, 11:10 AM EDTAreal Flood WarningMRXLee, Scott21 hr
Mar 28, 11:11 AM EDTAreal Flood WarningMRXLee, Scott20 hr
Mar 28, 1:15 PM EDTAreal Flood WarningMRXLee, Russell, Scott, Wise, City of Norton5 hr
Mar 28, 1:22 PM EDTAreal Flood WarningMRXRussell, Scott, Washington, City of Bristol18 hr

Nearby

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

Sources

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.