Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 85, NWS Morristown, TN

June 28, 2021Wise County, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Jun 28, 2021, 6:42 PM EDT for Wise County, Virginia. It was in force for 48 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 28, 2021, 6:42 PM EDT (22:42 UTC)
Expired
Jun 28, 2021, 7:30 PM EDT
In force
48 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Wise County, VA

The radar

The Jackson,KY radar (KJKL), 83 km from the middle of the area, began a volume at 22:43 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
Jun 28, 7:23 PM EDTTSTM WND DMGPound, VASEVERAL 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, 10.7 hours before the alert went out and 271 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 12:00Z on 2021-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 285 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2021-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.193958Sfc1 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
285 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
977 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

700 
WUUS54 KMRX 282242
SVRMRX
VAC195-282330-
/O.NEW.KMRX.SV.W.0085.210628T2242Z-210628T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
642 PM EDT Mon Jun 28 2021

The National Weather Service in Morristown has issued a

* Severe Thunderstorm Warning for...
  Central Wise County in southwestern Virginia...

* Until 730 PM EDT.

* At 642 PM EDT, a severe thunderstorm was located near Wise, moving
  west at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wise, Pound and Pardee. 

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 3712 8254 3703 8248 3701 8245 3695 8248
      3697 8287 3698 8286 3699 8283 3701 8283
      3701 8279 3703 8276 3703 8275 3704 8274
      3705 8272 3712 8272 3716 8263
TIME...MOT...LOC 2242Z 105DEG 16KT 3702 8255 

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

DH
1 follow-up statement
787 
WWUS54 KMRX 282318
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
718 PM EDT Mon Jun 28 2021

VAC195-282330-
/O.CON.KMRX.SV.W.0085.000000T0000Z-210628T2330Z/
Wise VA-
718 PM EDT Mon Jun 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTH CENTRAL WISE COUNTY...

At 718 PM EDT, a severe thunderstorm was located near Payne Gap, or 8
miles north of Wise, moving west at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Pound.

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 3707 8251 3705 8251 3703 8253 3700 8255
      3703 8276 3705 8272 3712 8272 3716 8263
      3712 8254
TIME...MOT...LOC 2318Z 089DEG 18KT 3709 8261 

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

DH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 4:24 PM EDTSpecial Weather StatementMRXWashington51 min
Jun 28, 6:19 PM EDTSpecial Weather StatementMRXCity of Norton41 min
Jun 28, 7:28 PM EDTSevere Thunderstorm WarningMRXWise26 min

Nearby

Severe Thunderstorm Warnings in Virginia, 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.