Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 73, NWS Morristown, TN

June 21, 2021Lee County, Virginia; Hancock County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jun 21, 2021, 5:53 PM EDT for Lee County, Virginia; Hancock County, Tennessee. It was in force for 41 min. 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: Jun 21, 2021, 5:53 PM EDT (21:53 UTC)
Expired: Jun 21, 2021, 6:34 PM EDT
In force: 41 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hancock County, TN, Lee County, VA

The radar

The Knoxville radar (KMRX), 63 km from the middle of the area, began a volume at 21:53 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.

What was reported inside it

Time	Report	Where	Remark
Jun 21, 6:30 PM EDT	TSTM WND DMG	3 Sse Rose Hill, VA	A FEW TREES DOWN.

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 12:00Z, 9.9 hours before the alert went out and 295 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 913 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1058 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

794 
WUUS54 KMRX 212153
SVRMRX
TNC067-VAC105-212245-
/O.NEW.KMRX.SV.W.0073.210621T2153Z-210621T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
553 PM EDT Mon Jun 21 2021

The National Weather Service in Morristown has issued a

* Severe Thunderstorm Warning for...
  Northwestern Hancock County in east Tennessee...
  Lee County in southwestern Virginia...

* Until 645 PM EDT.

* At 553 PM EDT, a severe thunderstorm was located 8 miles southeast
  of Cubage, or 12 miles northwest of Sneedville, moving east at 40
  mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Sneedville, Jonesville, Pennington Gap, Jasper, Ewing, Dryden, Rose
  Hill, Kyles Ford and Pattonsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3680 8277 3675 8283 3673 8283 3667 8295
      3659 8298 3659 8296 3655 8307 3652 8339
      3658 8345 3660 8350 3666 8353 3667 8342
      3670 8334 3674 8321 3674 8314 3675 8313
      3682 8280
TIME...MOT...LOC 2153Z 262DEG 36KT 3661 8342 

HAIL...0.75IN
WIND...60MPH
 
$$

Garuckas

2 follow-up statements

838 
WWUS54 KMRX 212210
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
610 PM EDT Mon Jun 21 2021

TNC067-212220-
/O.CAN.KMRX.SV.W.0073.000000T0000Z-210621T2245Z/
Hancock TN-
610 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HANCOCK COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3682 8280 3680 8277 3675 8283 3673 8283
      3667 8295 3659 8299 3660 8329 3662 8335
      3666 8338 3670 8334 3674 8320 3674 8314
      3675 8313
TIME...MOT...LOC 2210Z 262DEG 36KT 3663 8321 

$$

VAC105-212245-
/O.CON.KMRX.SV.W.0073.000000T0000Z-210621T2245Z/
Lee VA-
610 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR LEE COUNTY...

At 610 PM EDT, a severe thunderstorm was located near Jonesville,
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Jonesville, Pennington Gap, Jasper, Dryden, Rose Hill and
Pattonsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3682 8280 3680 8277 3675 8283 3673 8283
      3667 8295 3659 8299 3660 8329 3662 8335
      3666 8338 3670 8334 3674 8320 3674 8314
      3675 8313
TIME...MOT...LOC 2210Z 262DEG 36KT 3663 8321 

HAIL...<.75IN
WIND...60MPH
 
$$

DH

213 
WWUS54 KMRX 212234
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
634 PM EDT Mon Jun 21 2021

VAC105-212244-
/O.CAN.KMRX.SV.W.0073.000000T0000Z-210621T2245Z/
Lee VA-
634 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR LEE COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 3682 8280 3680 8277 3675 8283 3673 8283
      3667 8295 3659 8299 3660 8329 3662 8335
      3666 8338 3670 8334 3674 8320 3674 8314
      3675 8313
TIME...MOT...LOC 2230Z 262DEG 36KT 3666 8291 

$$

DH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 6:06 PM EDT	Special Weather Statement	MRX	Washington, City of Bristol	39 min
Jun 21, 6:52 PM EDT	Special Weather Statement	MRX	Wise, City of Norton	38 min
Jun 21, 6:59 PM EDT	Severe Thunderstorm Warning	MRX	Wise, City of Norton	31 min
Jun 21, 4:21 PM EDT	Special Weather Statement	MRX	Morgan	39 min
Jun 21, 4:29 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Morgan	46 min
Jun 21, 4:40 PM EDT	Special Weather Statement	MRX	Grainger	50 min
Jun 21, 4:48 PM EDT	Special Weather Statement	MRX	Union	42 min
Jun 21, 4:55 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell, Morgan, Roane, Scott	65 min
Jun 21, 5:01 PM EDT	Special Weather Statement	MRX	Claiborne	44 min
Jun 21, 5:05 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Morgan, Scott	40 min
Jun 21, 5:08 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Hancock, Hawkins	67 min
Jun 21, 5:12 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Union	48 min
Jun 21, 5:29 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Grainger, Knox, Union	46 min
Jun 21, 5:34 PM EDT	Special Weather Statement	MRX	Bradley, Hamilton, Marion, Sequatchie	41 min
Jun 21, 5:36 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson, Knox	39 min
Jun 21, 5:42 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne	48 min
Jun 21, 5:46 PM EDT	Special Weather Statement	MRX	Loudon	44 min
Jun 21, 5:57 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hancock	48 min
Jun 21, 6:02 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Loudon, McMinn, Monroe, Roane	43 min
Jun 21, 6:02 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Cocke, Grainger, Greene, Hamblen, Hawkins and 1 more	58 min
Jun 21, 6:05 PM EDT	Special Weather Statement	MRX	McMinn	40 min
Jun 21, 6:25 PM EDT	Special Weather Statement	MRX	Bradley, McMinn	65 min
Jun 21, 6:33 PM EDT	Special Weather Statement	MRX	Anderson	57 min
Jun 21, 6:50 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Monroe	40 min
Jun 21, 6:54 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Knox, Sevier	51 min
Jun 21, 7:19 PM EDT	Severe Thunderstorm Warning	MRX	Morgan, Rhea, Roane	56 min
Jun 21, 7:41 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Blount, Knox, Loudon, Morgan, Roane	49 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021 Severe Thunderstorm Warnings in Tennessee, 2021 Every severe thunderstorm 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.