Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 20, NWS Morristown, TN

March 27, 2021Sullivan County, Tennessee; 4 counties in Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Mar 27, 2021, 11:07 AM EDT for Sullivan County, Tennessee; 4 counties in Virginia. It was in force for 38 min. 5 reports 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 27, 2021, 11:07 AM EDT (15:07 UTC)
Expired: Mar 27, 2021, 11:45 AM EDT
In force: 38 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Sullivan County, TN, City of Bristol, VA, Russell County, VA, Scott County, VA, Washington County, VA

The radar

The Knoxville radar (KMRX), 104 km from the middle of the area, began a volume at 15:10 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
Mar 27, 11:10 AM EDT	HAIL 0.25	Kingsport, TN	BORDEN PARK.
Mar 27, 11:15 AM EDT	HAIL 0.5	1 E Kingsport, TN
Mar 27, 11:17 AM EDT	HAIL 0.5	2 E Kingsport, TN	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Mar 27, 11:20 AM EDT	HAIL 1	3 Ese Bloomingdale, TN
Mar 27, 11:30 AM EDT	TSTM WND DMG	5 Nw Blountville, TN	LARGE BARN DESTROYED AT THE END OF SILVERS CHAPEL ROAD.

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, 3.1 hours before the alert went out and 239 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2434 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

993 
WUUS54 KMRX 271507
SVRMRX
TNC163-VAC167-169-191-520-271545-
/O.NEW.KMRX.SV.W.0020.210327T1507Z-210327T1545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
1107 AM EDT Sat Mar 27 2021

The National Weather Service in Morristown has issued a

* Severe Thunderstorm Warning for...
  Northwestern Sullivan County in east Tennessee...
  Southwestern Russell County in southwestern Virginia...
  The City of Bristol in southwestern Virginia...
  Eastern Scott County in southwestern Virginia...
  Southwestern Washington County in southwestern Virginia...

* Until 1145 AM EDT.

* At 1107 AM EDT, a severe thunderstorm was located near Kingsport,
  moving east at 45 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Kingsport, Bristol Tn, Bristol Va, Abingdon, Gate City, Weber City,
  Walnut Hill, Colonial Heights, St. Paul and Nickelsville.

This includes the following highways...
 Interstate 26 in Tennessee between mile markers 1 and 5.
 Interstate 81 in Tennessee between mile markers 62 and 75.
 Interstate 81 in Virginia between mile markers 1 and 15.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3696 8224 3660 8191 3645 8270 3649 8263
      3651 8263 3652 8261 3658 8262 3657 8260
      3658 8260 3659 8261 3660 8273 3690 8233
      3689 8232 3690 8232 3691 8230 3692 8230
TIME...MOT...LOC 1507Z 248DEG 39KT 3652 8262 

HAIL...1.00IN
WIND...<50MPH
 
$$

Garuckas

2 follow-up statements

523 
WWUS54 KMRX 271518
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
1118 AM EDT Sat Mar 27 2021

TNC163-VAC167-169-191-520-271545-
/O.CON.KMRX.SV.W.0020.000000T0000Z-210327T1545Z/
Sullivan TN-Russell VA-City of Bristol VA-Scott VA-Washington VA-
1118 AM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT
FOR NORTHWESTERN SULLIVAN...SOUTH CENTRAL RUSSELL...SOUTHEASTERN
SCOTT AND SOUTHWESTERN WASHINGTON COUNTIES AND THE CITY OF BRISTOL...

At 1118 AM EDT, a severe thunderstorm was located near Kingsport,
moving east at 45 mph.

HAZARD...Ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles.

Locations impacted include...
Kingsport, Bristol Tn, Bristol Va, Weber City, Walnut Hill, Colonial
Heights, Blountville, Collingwood, Hansonville and Hilander Park.

This includes the following highways...
 Interstate 81 in Tennessee between mile markers 64 and 75.
 Interstate 81 in Virginia between mile markers 1 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3650 8255 3660 8261 3684 8214 3659 8199
      3651 8237
TIME...MOT...LOC 1518Z 250DEG 37KT 3655 8249 

HAIL...1.50IN
WIND...<50MPH
 
$$

Garuckas

579 
WWUS54 KMRX 271534
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
1134 AM EDT Sat Mar 27 2021

VAC167-271543-
/O.CAN.KMRX.SV.W.0020.000000T0000Z-210327T1545Z/
Russell VA-
1134 AM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL RUSSELL 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 3651 8237 3665 8246 3672 8234 3671 8233
      3675 8226 3679 8214 3658 8201
TIME...MOT...LOC 1533Z 244DEG 36KT 3661 8233 

$$

TNC163-VAC169-191-520-271545-
/O.CON.KMRX.SV.W.0020.000000T0000Z-210327T1545Z/
Sullivan TN-City of Bristol VA-Scott VA-Washington VA-
1134 AM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT
FOR NORTH CENTRAL SULLIVAN...SOUTHEASTERN SCOTT AND SOUTHWESTERN
WASHINGTON COUNTIES AND THE CITY OF BRISTOL...

At 1133 AM EDT, a severe thunderstorm was located near Walnut Hill,
or 7 miles northwest of Bristol Tn, moving northeast at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Bristol Tn, Bristol Va, Walnut Hill, Hilander Park, Benhams and
Blountville.

This includes the following highways...
 Interstate 81 in Tennessee between mile markers 67 and 75.
 Interstate 81 in Virginia between mile markers 1 and 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3651 8237 3665 8246 3672 8234 3671 8233
      3675 8226 3679 8214 3658 8201
TIME...MOT...LOC 1533Z 244DEG 36KT 3661 8233 

HAIL...1.00IN
WIND...<50MPH
 
$$

Garuckas

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 5:03 AM EDT	Special Weather Statement	MRX	Marion, Sequatchie	42 min
Mar 27, 5:23 AM EDT	Severe Thunderstorm Warning	MRX	Bledsoe, Hamilton, Marion, Sequatchie	39 min
Mar 27, 5:47 AM EDT	Special Weather Statement	MRX	Hamilton	43 min
Mar 27, 6:08 AM EDT	Severe Thunderstorm Warning	MRX	Bradley, Hamilton	52 min
Mar 27, 6:41 AM EDT	Severe Thunderstorm Warning	MRX	Bradley, Polk	49 min
Mar 27, 7:46 AM EDT	Special Weather Statement	MRX	Roane	44 min
Mar 27, 7:58 AM EDT	Severe Thunderstorm Warning	MRX	Morgan	47 min
Mar 27, 8:27 AM EDT	Special Weather Statement	MRX	Scott	48 min
Mar 27, 8:37 AM EDT	Special Weather Statement	MRX	Knox	38 min
Mar 27, 8:42 AM EDT	Severe Thunderstorm Warning	MRX	Scott	26 min
Mar 27, 8:58 AM EDT	Special Weather Statement	MRX	Knox, Loudon	47 min
Mar 27, 9:18 AM EDT	Severe Thunderstorm Warning	MRX	Grainger, Knox, Union	42 min
Mar 27, 9:39 AM EDT	Severe Thunderstorm Warning	MRX	Knox, Sevier	30 min
Mar 27, 9:43 AM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hancock, Hawkins	47 min
Mar 27, 10:00 AM EDT	Severe Thunderstorm Warning	MRX	Cocke, Hamblen, Jefferson	45 min
Mar 27, 10:06 AM EDT	Severe Thunderstorm Warning	MRX	Campbell, Scott	54 min
Mar 27, 10:14 AM EDT	Special Weather Statement	MRX	Anderson, Campbell, Morgan, Scott	46 min
Mar 27, 10:30 AM EDT	Special Weather Statement	MRX	Hawkins	45 min
Mar 27, 10:33 AM EDT	Severe Thunderstorm Warning	MRX	Greene	42 min
Mar 27, 10:33 AM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne	42 min
Mar 27, 10:36 AM EDT	Flash Flood Warning	MRX	Morgan, Scott	4 hr
Mar 27, 10:41 AM EDT	Severe Thunderstorm Warning	MRX	Hawkins	49 min
Mar 27, 10:51 AM EDT	Special Weather Statement	MRX	Anderson, Morgan	39 min
Mar 27, 11:00 AM EDT	Special Weather Statement	MRX	Claiborne	45 min
Mar 27, 11:11 AM EDT	Severe Thunderstorm Warning	MRX	Unicoi, Washington	35 min
Mar 27, 11:20 AM EDT	Special Weather Statement	MRX	Grainger, Hamblen, Union	40 min
Mar 27, 11:30 AM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Hancock	22 min
Mar 27, 11:32 AM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Sullivan, Unicoi, Washington	43 min
Mar 27, 11:45 AM EDT	Areal Flood Advisory	MRX	Hawkins, Sullivan	3 hr
Mar 27, 11:46 AM EDT	Special Weather Statement	MRX	Hamblen, Jefferson	44 min
Mar 27, 11:48 AM EDT	Areal Flood Advisory	MRX	Campbell, Claiborne	3 hr
Mar 27, 11:50 AM EDT	Areal Flood Advisory	MRX	Carter, Greene, Washington	3 hr
Mar 27, 11:56 AM EDT	Special Weather Statement	MRX	Monroe	49 min
Mar 27, 12:07 PM EDT	Areal Flood Advisory	MRX	Anderson, Knox	3 hr
Mar 27, 12:12 PM EDT	Areal Flood Advisory	MRX	Claiborne, Hancock	3 hr
Mar 27, 12:17 PM EDT	Special Weather Statement	MRX	Johnson	43 min
Mar 27, 12:23 PM EDT	Special Weather Statement	MRX	Hawkins	52 min
Mar 27, 1:01 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Sullivan, Unicoi, Washington	44 min
Mar 27, 3:13 PM EDT	Wind Advisory	MRX	Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more	23 hr
Mar 27, 3:34 PM EDT	Special Weather Statement	MRX	Campbell, Morgan	41 min
Mar 27, 5:05 PM EDT	Areal Flood Warning	MRX	Anderson, Campbell, Claiborne, Morgan, Scott, Union	3 hr
Mar 27, 5:38 PM EDT	Areal Flood Warning	MRX	Claiborne, Grainger, Hancock, Hawkins, Union	3 hr
Mar 27, 5:49 PM EDT	Special Weather Statement	MRX	Anderson, Morgan	41 min
Mar 27, 6:13 PM EDT	Areal Flood Warning	MRX	Blount, Sevier	3 hr
Mar 27, 6:59 PM EDT	Special Weather Statement	MRX	Morgan, Scott	46 min
Mar 27, 7:02 PM EDT	Special Weather Statement	MRX	Marion, Sequatchie	43 min
Mar 27, 7:15 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Scott	45 min
Mar 27, 7:34 PM EDT	Special Weather Statement	MRX	Hancock	41 min
Mar 27, 7:36 PM EDT	Special Weather Statement	MRX	Meigs	39 min
Mar 27, 7:40 PM EDT	Special Weather Statement	MRX	Campbell, Scott	50 min
Mar 27, 7:43 PM EDT	Severe Thunderstorm Warning	MRX	Marion	47 min
Mar 27, 7:52 PM EDT	Special Weather Statement	MRX	Campbell	53 min
Mar 27, 11:43 AM EDT	Severe Thunderstorm Warning	MRX	Washington	32 min
Mar 27, 12:02 PM EDT	Areal Flood Advisory	MRX	Washington, City of Bristol	3 hr
Mar 27, 12:54 PM EDT	Special Weather Statement	MRX	Russell, Washington, City of Bristol	51 min
Mar 27, 2:03 PM EDT	Areal Flood Advisory	MRX	Washington	117 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.