Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 51, NWS Blacksburg, VA

June 11, 2021Henry County, Pittsylvania County, City of Danville, Virginia; Caswell County, Rockingham County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 11, 2021, 1:46 PM EDT for Henry County, Pittsylvania County, City of Danville, Virginia; Caswell County, Rockingham County, North Carolina. It was in force for 40 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 11, 2021, 1:46 PM EDT (17:46 UTC)
Expired
Jun 11, 2021, 2:26 PM EDT
In force
40 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Caswell County, NC, Rockingham County, NC, City of Danville, VA, Henry County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 81 km from the middle of the area, began a volume at 17:50 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 11, 2:02 PM EDTTSTM WND DMG4 Ssw Eden, NCTREE REPORTED DOWN AT 1700 BLOCK OF HARRINGTON HIGHWAY.

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, 5.8 hours before the alert went out and 48 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 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 329 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 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
329 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

939 
WUUS51 KRNK 111746
SVRRNK
NCC033-157-VAC089-143-590-111845-
/O.NEW.KRNK.SV.W.0051.210611T1746Z-210611T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
146 PM EDT Fri Jun 11 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northern Rockingham County in north central North Carolina...
  Northwestern Caswell County in north central North Carolina...
  The City of Danville in south central Virginia...
  Southwestern Pittsylvania County in south central Virginia...
  Southeastern Henry County in south central Virginia...

* Until 245 PM EDT.

* At 146 PM EDT, a severe thunderstorm was located over Eden, moving
  east at 15 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...
  Danville...
  Eden...
  Reidsville...
  Wentworth...
  Yanceyville...
  Bethel...
  and Stoneville.

This includes The following Location Danville Airport.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3635 7990 3652 8001 3675 7934 3639 7923
TIME...MOT...LOC 1746Z 255DEG 14KT 3648 7978 

HAIL...1.00IN
WIND...60MPH
 
$$

VFJ
2 follow-up statements
470 
WWUS51 KRNK 111810
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
210 PM EDT Fri Jun 11 2021

NCC033-157-VAC089-143-590-111845-
/O.CON.KRNK.SV.W.0051.000000T0000Z-210611T1845Z/
Rockingham NC-Caswell NC-City of Danville VA-Pittsylvania VA-
Henry VA-
210 PM EDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT 
FOR NORTHEASTERN ROCKINGHAM...NORTHWESTERN CASWELL...SOUTHWESTERN 
PITTSYLVANIA AND SOUTHEASTERN HENRY COUNTIES AND THE CITY OF 
DANVILLE...

At 210 PM EDT, a severe thunderstorm was located over Draper, or over
Eden, moving east at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Danville...
Eden...
Wentworth...
Yanceyville...
Bethel...
Providence...
and Mayfield.

This includes The following Location Danville Airport.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for DAMAGING WINDS. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

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

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3639 7985 3654 7994 3675 7934 3642 7924
TIME...MOT...LOC 1810Z 248DEG 11KT 3651 7970 

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

BMG
678 
WWUS51 KRNK 111826
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
226 PM EDT Fri Jun 11 2021

NCC033-157-VAC089-143-590-111836-
/O.CAN.KRNK.SV.W.0051.000000T0000Z-210611T1845Z/
Rockingham NC-Caswell NC-City of Danville VA-Pittsylvania VA-
Henry VA-
226 PM EDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN 
ROCKINGHAM...NORTHWESTERN CASWELL...SOUTHWESTERN PITTSYLVANIA AND 
SOUTHEASTERN HENRY COUNTIES AND THE CITY OF DANVILLE 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.  However heavy rain is
still possible with this thunderstorm.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

LAT...LON 3639 7985 3654 7994 3675 7934 3642 7924
TIME...MOT...LOC 1825Z 255DEG 14KT 3653 7962 

$$

BMG

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 10:16 PM EDTSpecial Weather StatementRNKCity of Galax29 min
Jun 10, 10:47 PM EDTSpecial Weather StatementRNKCarroll28 min
Jun 11, 2:46 AM EDTSpecial Weather StatementRNKAppomattox59 min
Jun 11, 12:58 PM EDTSpecial Weather StatementRNKPatrick32 min
Jun 11, 2:17 PM EDTSpecial Weather StatementRNKCity of Martinsville28 min
Jun 11, 2:51 PM EDTSpecial Weather StatementRNKPittsylvania24 min
Jun 11, 3:05 PM EDTFlash Flood WarningRNKPittsylvania118 min
Jun 11, 3:13 PM EDTSpecial Weather StatementRNKHalifax32 min
Jun 11, 3:21 PM EDTAreal Flood AdvisoryRNKAppomattox, Buckingham114 min
Jun 11, 3:34 PM EDTFlash Flood WarningRNKAppomattox, Buckingham4 hr
Jun 11, 3:41 PM EDTSpecial Weather StatementRNKBuckingham34 min
Jun 11, 3:51 PM EDTAreal Flood AdvisoryRNKAmherst, Bedford, Campbell, City of Lynchburg3 hr
Jun 11, 4:05 PM EDTAreal Flood AdvisoryRNKAlleghany, Bath5 hr
Jun 11, 4:13 PM EDTFlash Flood WarningRNKAmherst, Bedford, Campbell, Rockbridge, City of Lynchburg4 hr
Jun 11, 4:14 PM EDTSpecial Weather StatementRNKPulaski, City of Radford46 min
Jun 11, 4:56 PM EDTAreal Flood AdvisoryRNKAlleghany, Botetourt, Rockbridge5 hr
Jun 11, 5:22 PM EDTSpecial Weather StatementRNKBland, Tazewell53 min
Jun 11, 5:55 PM EDTSpecial Weather StatementRNKBland50 min
Jun 11, 6:01 PM EDTSpecial Weather StatementRNKBedford44 min
Jun 11, 6:21 PM EDTAreal Flood AdvisoryRNKBedford, Botetourt4 hr
Jun 11, 6:41 PM EDTSpecial Weather StatementRNKBedford34 min
Jun 11, 7:08 PM EDTAreal Flood AdvisoryRNKBedford, Campbell2 hr
Jun 11, 7:25 PM EDTAreal Flood WarningRNKAppomattox, Buckingham6 hr
Jun 11, 7:51 PM EDTAreal Flood AdvisoryRNKRoanoke, City of Roanoke, City of Salem111 min
Jun 10, 8:12 PM EDTAreal Flood AdvisoryRNKCaswell111 min
Jun 11, 12:56 PM EDTFlash Flood WarningRNKRockingham3 hr
Jun 11, 1:13 PM EDTAreal Flood AdvisoryRNKStokes, Surry, Yadkin3 hr
Jun 11, 1:24 PM EDTSpecial Weather StatementRNKCaswell51 min
Jun 11, 1:35 PM EDTSevere Thunderstorm WarningRNKStokes, Surry, Yadkin55 min
Jun 11, 1:52 PM EDTFlash Flood WarningRNKYadkin2 hr
Jun 11, 2:12 PM EDTFlash Flood WarningRNKCaswell112 min
Jun 11, 2:38 PM EDTSpecial Weather StatementRNKCaswell37 min
Jun 11, 2:52 PM EDTFlash Flood WarningRNKStokes77 min
Jun 11, 4:47 PM EDTSpecial Weather StatementRNKYadkin43 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021Severe Thunderstorm Warnings in North Carolina, 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.