Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 35, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Mar 28, 2021, 2:18 AM EDT for Scott County, Washington County, City of Bristol, Virginia; Johnson County, Sullivan County, Tennessee. It was in force for 42 min. 3 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 28, 2021, 2:18 AM EDT (06:18 UTC)
- Expired
- Mar 28, 2021, 3:00 AM EDT
- In force
- 42 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Johnson County, TN, Sullivan County, TN, City of Bristol, VA, Scott County, VA, Washington County, VA
The radar
The Knoxville radar (KMRX), 122 km from the middle of the area, began a volume at 06:17 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 28, 2:35 AM EDT | HAIL 1 | 2 Ese Benhams, VA | |
| Mar 28, 2:35 AM EDT | HAIL 1 | 3 Wnw Bristol Va, VA | |
| Mar 28, 2:45 AM EDT | HAIL 1 | 1 Ne Abingdon, VA |
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, 6.3 hours before the alert went out and 217 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.
- 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
The text
As transmitted.
648
WUUS54 KMRX 280618
SVRMRX
TNC091-163-VAC169-191-520-280700-
/O.NEW.KMRX.SV.W.0035.210328T0618Z-210328T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
218 AM EDT Sun Mar 28 2021
The National Weather Service in Morristown has issued a
* Severe Thunderstorm Warning for...
Eastern Sullivan County in east Tennessee...
Northwestern Johnson County in east Tennessee...
The City of Bristol in southwestern Virginia...
Southeastern Scott County in southwestern Virginia...
Western Washington County in southwestern Virginia...
* Until 300 AM EDT.
* At 218 AM EDT, a severe thunderstorm was located over Walnut Hill,
or near Bristol Tn, moving east at 55 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Bristol Tn, Bristol Va, Abingdon, Walnut Hill, Bluff City, Morril's
Cave, South Holston Dam, Holston, Hilander Park and Benhams.
This includes the following highways...
Interstate 81 in Tennessee between mile markers 70 and 75.
Interstate 81 in Virginia between mile markers 1 and 23.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3644 8227 3670 8241 3672 8234 3672 8233
3671 8233 3673 8231 3676 8225 3680 8211
3680 8210 3686 8193 3657 8180
TIME...MOT...LOC 0618Z 252DEG 47KT 3660 8227
HAIL...1.25IN
WIND...60MPH
$$
SR2 follow-up statements
724
WWUS54 KMRX 280638
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
238 AM EDT Sun Mar 28 2021
VAC169-280647-
/O.CAN.KMRX.SV.W.0035.000000T0000Z-210328T0700Z/
Scott VA-
238 AM EDT Sun Mar 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCOTT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3650 8207 3664 8216 3671 8218 3678 8219
3680 8211 3680 8210 3686 8193 3657 8180
TIME...MOT...LOC 0637Z 252DEG 47KT 3668 8197
$$
TNC091-163-VAC191-520-280700-
/O.CON.KMRX.SV.W.0035.000000T0000Z-210328T0700Z/
Sullivan TN-Johnson TN-City of Bristol VA-Washington VA-
238 AM EDT Sun Mar 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM EDT
FOR NORTHEASTERN SULLIVAN...NORTHWESTERN JOHNSON AND WESTERN
WASHINGTON COUNTIES AND THE EASTERN CITY OF BRISTOL...
At 237 AM EDT, a severe thunderstorm was located over Abingdon,
moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Bristol Tn, Bristol Va, Abingdon, Holston, Hilander Park, Harr and
Emory-Meadow View.
This includes Interstate 81 in Virginia between mile markers 6 and
23.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3650 8207 3664 8216 3671 8218 3678 8219
3680 8211 3680 8210 3686 8193 3657 8180
TIME...MOT...LOC 0637Z 252DEG 47KT 3668 8197
HAIL...1.00IN
WIND...60MPH
$$
SR615
WWUS54 KMRX 280649
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
249 AM EDT Sun Mar 28 2021
VAC520-280659-
/O.CAN.KMRX.SV.W.0035.000000T0000Z-210328T0700Z/
City of Bristol VA-
249 AM EDT Sun Mar 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR THE EASTERN CITY OF BRISTOL IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3653 8196 3654 8199 3667 8198 3672 8199
3679 8202 3683 8201 3686 8193 3657 8180
TIME...MOT...LOC 0649Z 252DEG 47KT 3673 8178
$$
TNC091-163-VAC191-280700-
/O.CON.KMRX.SV.W.0035.000000T0000Z-210328T0700Z/
Sullivan TN-Johnson TN-Washington VA-
249 AM EDT Sun Mar 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM EDT
FOR NORTHEASTERN SULLIVAN...NORTH CENTRAL JOHNSON AND CENTRAL
WASHINGTON COUNTIES...
At 249 AM EDT, a severe thunderstorm was located 7 miles southwest of
Chilhowie, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Abingdon and Emory-Meadow View.
This includes Interstate 81 in Virginia between mile markers 17 and
23.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3653 8196 3654 8199 3667 8198 3672 8199
3679 8202 3683 8201 3686 8193 3657 8180
TIME...MOT...LOC 0649Z 252DEG 47KT 3673 8178
HAIL...1.00IN
WIND...60MPH
$$
SRThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 8:06 PM EDT | Special Weather Statement | MRX | Scott | 39 min |
| Mar 27, 8:31 PM EDT | Severe Thunderstorm Warning | MRX | Scott, Washington, City of Bristol | 44 min |
| Mar 27, 8:36 PM EDT | Areal Flood Warning | MRX | Lee, Scott | 3 hr |
| Mar 27, 11:37 PM EDT | Areal Flood Warning | MRX | Lee, Scott | 3 hr |
| Mar 28, 12:55 AM EDT | Special Weather Statement | MRX | Lee | 50 min |
| Mar 28, 1:14 AM EDT | Flash Flood Warning | MRX | Lee, Scott | 3 hr |
| Mar 28, 1:39 AM EDT | Special Weather Statement | MRX | Scott, City of Bristol | 51 min |
| Mar 28, 1:43 AM EDT | Areal Flood Warning | MRX | Russell, Scott, Washington, City of Bristol | 3 hr |
| Mar 28, 1:47 AM EDT | Severe Thunderstorm Warning | MRX | Scott | 43 min |
| Mar 28, 2:46 AM EDT | Severe Thunderstorm Warning | MRX | Washington | 18 min |
| Mar 28, 2:58 AM EDT | Flash Flood Warning | MRX | Russell, Scott, Washington, City of Bristol | 3 hr |
| Mar 28, 4:04 AM EDT | Flash Flood Warning | MRX | Lee, Scott | 7 hr |
| Mar 28, 4:16 AM EDT | Flash Flood Warning | MRX | Scott, Washington, City of Bristol | 3 hr |
| Mar 28, 4:58 AM EDT | Areal Flood Advisory | MRX | Lee, Russell, Scott, Wise, City of Norton | 115 min |
| Mar 28, 6:08 AM EDT | Special Weather Statement | MRX | Scott, City of Norton | 52 min |
| Mar 28, 6:52 AM EDT | Flash Flood Warning | MRX | Lee, Russell, Scott, Wise, City of Norton | 6 hr |
| Mar 28, 7:08 AM EDT | Flash Flood Warning | MRX | Russell, Scott, Washington, City of Bristol | 6 hr |
| Mar 28, 7:46 AM EDT | River Flood Warning | MRX | Scott | 35 hr |
| Mar 28, 9:05 AM EDT | River Flood Warning | MRX | Lee | 23 hr |
| Mar 28, 11:07 AM EDT | River Flood Warning | MRX | Scott | 33 hr |
| Mar 28, 11:10 AM EDT | Areal Flood Warning | MRX | Lee, Scott | 21 hr |
| Mar 28, 11:11 AM EDT | Areal Flood Warning | MRX | Lee, Scott | 20 hr |
| Mar 28, 1:15 PM EDT | Areal Flood Warning | MRX | Lee, Russell, Scott, Wise, City of Norton | 5 hr |
| Mar 28, 1:22 PM EDT | Areal Flood Warning | MRX | Russell, Scott, Washington, City of Bristol | 18 hr |
| Mar 27, 8:05 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne, Grainger, Hancock, Union | 40 min |
| Mar 27, 8:09 PM EDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 27, 8:11 PM EDT | Special Weather Statement | MRX | Sequatchie | 49 min |
| Mar 27, 8:12 PM EDT | Special Weather Statement | MRX | Sequatchie | 48 min |
| Mar 27, 8:43 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger, Hamblen, Hancock, Hawkins | 47 min |
| Mar 27, 8:55 PM EDT | Areal Flood Advisory | MRX | Bledsoe, Hamilton, Marion, Rhea, Sequatchie | 3 hr |
| Mar 27, 8:57 PM EDT | Special Weather Statement | MRX | Sullivan | 48 min |
| Mar 27, 9:02 PM EDT | River Flood Warning | MRX | Morgan, Roane | 24 hr |
| Mar 27, 9:10 PM EDT | Special Weather Statement | MRX | Jefferson | 50 min |
| Mar 27, 9:21 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hamblen, Hawkins, Washington | 39 min |
| Mar 27, 9:22 PM EDT | Special Weather Statement | MRX | Loudon | 38 min |
| Mar 27, 9:25 PM EDT | Special Weather Statement | MRX | Loudon | 50 min |
| Mar 27, 9:42 PM EDT | Special Weather Statement | MRX | Knox | 48 min |
| Mar 27, 9:48 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Greene, Unicoi, Washington | 24 min |
| Mar 27, 9:50 PM EDT | Special Weather Statement | MRX | Johnson | 40 min |
| Mar 27, 10:00 PM EDT | Special Weather Statement | MRX | Greene, Unicoi | 45 min |
| Mar 27, 10:19 PM EDT | Areal Flood Advisory | MRX | Carter, Greene, Hawkins, Sullivan, Washington | 3 hr |
| Mar 27, 10:32 PM EDT | Special Weather Statement | MRX | Anderson, Campbell, Morgan | 43 min |
| Mar 27, 11:13 PM EDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 28, 12:14 AM EDT | Special Weather Statement | MRX | Claiborne, Grainger, Union | 46 min |
| Mar 28, 12:18 AM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Grainger, Union | 57 min |
| Mar 28, 12:35 AM EDT | Special Weather Statement | MRX | Campbell, Morgan, Scott | 40 min |
| Mar 28, 12:41 AM EDT | Special Weather Statement | MRX | Grainger, Hamblen | 34 min |
| Mar 28, 1:18 AM EDT | Special Weather Statement | MRX | Campbell, Claiborne, Union | 42 min |
| Mar 28, 2:11 AM EDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 28, 3:12 AM EDT | Special Weather Statement | MRX | Morgan, Scott | 48 min |
| Mar 28, 4:09 AM EDT | Special Weather Statement | MRX | Campbell, Morgan, Scott | 51 min |
| Mar 28, 4:27 AM EDT | Special Weather Statement | MRX | Bledsoe | 63 min |
| Mar 28, 4:58 AM EDT | Special Weather Statement | MRX | Anderson, Campbell, Claiborne, Morgan | 47 min |
| Mar 28, 5:03 AM EDT | Special Weather Statement | MRX | Meigs, Rhea, Roane | 42 min |
| Mar 28, 5:07 AM EDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 5 hr |
| Mar 28, 5:15 AM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Union | 17 min |
| Mar 28, 5:26 AM EDT | Areal Flood Advisory | MRX | Bledsoe, Rhea, Sequatchie | 71 min |
| Mar 28, 5:38 AM EDT | Special Weather Statement | MRX | Grainger, Hancock, Union | 52 min |
| Mar 28, 5:43 AM EDT | Special Weather Statement | MRX | Anderson, Knox | 47 min |
| Mar 28, 5:43 AM EDT | Severe Thunderstorm Warning | MRX | Marion | 47 min |
| Mar 28, 5:48 AM EDT | Special Weather Statement | MRX | Meigs, Rhea, Roane | 42 min |
| Mar 28, 6:19 AM EDT | Special Weather Statement | MRX | Hamilton, McMinn | 41 min |
| Mar 28, 6:34 AM EDT | Special Weather Statement | MRX | Grainger, Hamblen, Hancock, Hawkins, Jefferson, Sevier | 41 min |
| Mar 28, 6:36 AM EDT | Flash Flood Warning | MRX | Bledsoe, Marion, Rhea, Sequatchie | 6 hr |
| Mar 28, 6:40 AM EDT | Flash Flood Warning | MRX | Anderson, Knox, Loudon, Morgan, Roane, Union | 5 hr |
| Mar 28, 6:43 AM EDT | Special Weather Statement | MRX | Knox, Loudon, Meigs, Roane | 47 min |
| Mar 28, 6:51 AM EDT | Special Weather Statement | MRX | Bradley, McMinn, Monroe, Polk | 39 min |
| Mar 28, 7:15 AM EDT | Special Weather Statement | MRX | Cocke, Grainger, Greene, Hamblen, Hancock, Hawkins and 2 more | 45 min |
| Mar 28, 7:17 AM EDT | Flash Flood Warning | MRX | Bradley, Hamilton, McMinn, Meigs, Rhea, Sequatchie | 6 hr |
| Mar 28, 7:27 AM EDT | Special Weather Statement | MRX | Blount, Sevier | 33 min |
| Mar 28, 7:27 AM EDT | Special Weather Statement | MRX | Polk | 63 min |
| Mar 28, 7:34 AM EDT | River Flood Warning | MRX | Claiborne, Grainger, Hancock | 51 hr |
| Mar 28, 7:41 AM EDT | River Flood Warning | MRX | Claiborne, Union | 52 hr |
| Mar 28, 7:49 AM EDT | Flash Flood Warning | MRX | Grainger, Hamblen, Jefferson, Knox, Sevier | 5 hr |
| Mar 28, 7:52 AM EDT | Flash Flood Warning | MRX | Bradley, Hamilton, Polk | 5 hr |
| Mar 28, 8:00 AM EDT | Special Weather Statement | MRX | Carter, Cocke, Greene, Hawkins, Sullivan, Unicoi and 1 more | 45 min |
| Mar 28, 8:03 AM EDT | Flash Flood Warning | MRX | Blount, Knox, Loudon, McMinn, Monroe, Polk and 1 more | 4 hr |
| Mar 28, 8:21 AM EDT | Special Weather Statement | MRX | Sevier | 24 min |
| Mar 28, 8:26 AM EDT | Flash Flood Warning | MRX | Blount, Cocke, Sevier | 5 hr |
| Mar 28, 8:43 AM EDT | Flash Flood Warning | MRX | Greene, Hawkins, Unicoi, Washington | 4 hr |
Nearby
Severe Thunderstorm Warnings in Virginia, 2021Severe Thunderstorm Warnings in Tennessee, 2021Every 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.