Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 196, NWS Blacksburg, VA

August 29, 2021Bath County, Rockbridge County, Virginia; Greenbrier County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 29, 2021, 2:50 PM EDT for Bath County, Rockbridge County, Virginia; Greenbrier County, West Virginia. It was in force for 55 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
Aug 29, 2021, 2:50 PM EDT (18:50 UTC)
Expired
Aug 29, 2021, 3:45 PM EDT
In force
55 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bath County, VA, Rockbridge County, VA, Greenbrier County, WV

The radar

The Roanoke radar (KFCX), 128 km from the middle of the area, began a volume at 18:51 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
Aug 29, 2:53 PM EDTTSTM WND DMG3 E Warm Springs, VAA LARGE TREE WAS BLOWN DOWN BY THUNDERSTORM WINDS ALONG DRY RUN ROAD.
Aug 29, 3:00 PM EDTTSTM WND DMG5 Wsw Nimrod Hall, VAA LARGE TREE WAS BLOWN DOWN BY THUNDERSTORM WINDS ALONG THE COWPASTURE RIVER HIGHWAY.
Aug 29, 3:05 PM EDTTSTM WND DMGHot Springs, VAA TREE WAS BLOWN DOWN BY THUNDERSTORM WINDS ALONG THE SAM SNEAD HIGHWAY NEAR THE COMMUNITY OF HOT SPRINGS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.8 hours before the alert went out and 103 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, Roanoke, VA at 12:00Z on 2021-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 406 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, Roanoke, VA at 12:00Z on 2021-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
406 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

069 
WUUS51 KRNK 291850
SVRRNK
VAC017-163-WVC025-291945-
/O.NEW.KRNK.SV.W.0196.210829T1850Z-210829T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
250 PM EDT Sun Aug 29 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northwestern Rockbridge County in west central Virginia...
  Bath County in west central Virginia...
  East central Greenbrier County in southeastern West Virginia...

* Until 345 PM EDT.

* At 250 PM EDT, a severe thunderstorm was located near Mountain
  Grove, or 7 miles northwest of Hot Springs, moving east at 20 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...
  Goshen...
  Warm Springs...
  Millboro...
  Hot Springs...
  Lake Moomaw...
  Nimrod Hall...
  and Mountain Grove.

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 3822 7970 3818 7951 3815 7953 3817 7948
      3816 7944 3810 7949 3806 7943 3786 7947
      3793 7992 3795 7994 3795 8008 3806 8003
      3806 7996 3811 7993 3813 7994 3816 7992
      3818 7992 3827 7979
TIME...MOT...LOC 1850Z 273DEG 16KT 3807 7993 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

VFJ
3 follow-up statements
654 
WWUS51 KRNK 291859
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
259 PM EDT Sun Aug 29 2021

WVC025-291909-
/O.CAN.KRNK.SV.W.0196.000000T0000Z-210829T1945Z/
Greenbrier WV-
259 PM EDT Sun Aug 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
EAST CENTRAL GREENBRIER 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 3822 7971 3818 7951 3815 7953 3817 7948
      3816 7944 3810 7949 3806 7943 3786 7947
      3793 7992 3795 7994 3796 7999 3795 8006
      3799 8000 3811 7993 3813 7994 3817 7991
      3818 7992 3827 7979
TIME...MOT...LOC 1859Z 273DEG 16KT 3807 7988 

$$

VAC017-163-291945-
/O.CON.KRNK.SV.W.0196.000000T0000Z-210829T1945Z/
Rockbridge VA-Bath VA-
259 PM EDT Sun Aug 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR
NORTHWESTERN ROCKBRIDGE AND BATH COUNTIES...

At 259 PM EDT, a severe thunderstorm was located over Mountain Grove,
or near Warm Springs, moving east at 20 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...
Goshen...
Warm Springs...
Millboro...
Hot Springs...
Lake Moomaw...
Nimrod Hall...
and Mountain Grove.

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 3822 7971 3818 7951 3815 7953 3817 7948
      3816 7944 3810 7949 3806 7943 3786 7947
      3793 7992 3795 7994 3796 7999 3795 8006
      3799 8000 3811 7993 3813 7994 3817 7991
      3818 7992 3827 7979
TIME...MOT...LOC 1859Z 273DEG 16KT 3807 7988 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

VFJ
315 
WWUS51 KRNK 291926
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
326 PM EDT Sun Aug 29 2021

VAC017-163-291945-
/O.CON.KRNK.SV.W.0196.000000T0000Z-210829T1945Z/
Rockbridge VA-Bath VA-
326 PM EDT Sun Aug 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR
NORTHWESTERN ROCKBRIDGE AND BATH COUNTIES...

At 326 PM EDT, a severe thunderstorm was located over Hot Springs,
moving east at 5 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...
Goshen...
Millboro...
Warm Springs...
Hot Springs...
Nimrod Hall...
Lake Moomaw...
and Mountain Grove.

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 3816 7944 3810 7949 3806 7943 3786 7947
      3793 7992 3795 7994 3796 7999 3795 8006
      3799 8000 3811 7993 3813 7994 3815 7953
TIME...MOT...LOC 1926Z 270DEG 6KT 3801 7979 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

VFJ
831 
WWUS51 KRNK 291940
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
340 PM EDT Sun Aug 29 2021

VAC017-163-291950-
/O.EXP.KRNK.SV.W.0196.000000T0000Z-210829T1945Z/
Rockbridge VA-Bath VA-
340 PM EDT Sun Aug 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTHWESTERN ROCKBRIDGE AND BATH COUNTIES WILL EXPIRE AT 345 PM
EDT...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning will be allowed to expire.
However small hail and gusty winds are still possible with this 
thunderstorm.

LAT...LON 3816 7944 3810 7949 3806 7943 3786 7947
      3793 7992 3795 7994 3796 7999 3795 8006
      3799 8000 3811 7993 3813 7994 3815 7953
TIME...MOT...LOC 1940Z 273DEG 16KT 3801 7971 

$$

VFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 9:01 PM EDTSpecial Weather StatementRNKRockbridge29 min
Aug 28, 9:33 PM EDTSpecial Weather StatementRNKCity of Buena Vista42 min
Aug 28, 10:22 PM EDTSpecial Weather StatementRNKBuckingham38 min
Aug 28, 10:28 PM EDTSpecial Weather StatementRNKCity of Buena Vista32 min
Aug 28, 10:57 PM EDTSpecial Weather StatementRNKRockbridge33 min
Aug 28, 11:05 PM EDTAreal Flood AdvisoryRNKRockbridge3 hr
Aug 28, 11:09 PM EDTSpecial Weather StatementRNKBuckingham36 min
Aug 28, 11:11 PM EDTSpecial Weather StatementRNKBuckingham49 min
Aug 28, 11:27 PM EDTSpecial Weather StatementRNKRockbridge48 min
Aug 28, 11:30 PM EDTSpecial Weather StatementRNKAppomattox30 min
Aug 28, 11:38 PM EDTAreal Flood AdvisoryRNKRockbridge3 hr
Aug 28, 11:44 PM EDTSevere Thunderstorm WarningRNKAmherst, Rockbridge43 min
Aug 28, 11:49 PM EDTFlash Flood WarningRNKAmherst, Rockbridge6 hr
Aug 28, 11:51 PM EDTSpecial Weather StatementRNKAmherst24 min
Aug 29, 12:02 AM EDTSpecial Weather StatementRNKAppomattox43 min
Aug 29, 12:05 AM EDTSpecial Weather StatementRNKBuckingham40 min
Aug 29, 12:07 AM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham53 min
Aug 29, 12:23 AM EDTSpecial Weather StatementRNKAmherst37 min
Aug 29, 12:30 AM EDTSevere Thunderstorm WarningRNKAmherst, Bedford60 min
Aug 29, 12:39 AM EDTAreal Flood AdvisoryRNKAmherst, Appomattox, Bedford3 hr
Aug 29, 12:59 AM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox61 min
Aug 29, 1:41 AM EDTSpecial Weather StatementRNKAppomattox34 min
Aug 29, 2:00 PM EDTSpecial Weather StatementRNKBath30 min
Aug 29, 2:18 PM EDTSpecial Weather StatementRNKBath27 min
Aug 29, 2:21 PM EDTSpecial Weather StatementRNKAlleghany24 min
Aug 29, 3:23 PM EDTSevere Thunderstorm WarningRNKAlleghany, Bath, Botetourt67 min
Aug 29, 3:39 PM EDTSevere Thunderstorm WarningRNKBath, Rockbridge51 min
Aug 29, 3:48 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington27 min
Aug 29, 4:01 PM EDTSevere Thunderstorm WarningRNKAlleghany, Botetourt, City of Covington44 min
Aug 29, 4:19 PM EDTSpecial Weather StatementRNKRockbridge, City of Lexington26 min
Aug 29, 4:33 PM EDTSpecial Weather StatementRNKCity of Covington27 min
Aug 29, 4:42 PM EDTSevere Thunderstorm WarningRNKAlleghany, Botetourt, Craig44 min
Aug 29, 5:24 PM EDTSpecial Weather StatementRNKGiles36 min
Aug 29, 5:30 PM EDTSpecial Weather StatementRNKMontgomery30 min
Aug 29, 6:03 PM EDTSpecial Weather StatementRNKMontgomery27 min
Aug 29, 6:11 PM EDTSpecial Weather StatementRNKGiles19 min
Aug 29, 6:17 PM EDTSpecial Weather StatementRNKGiles28 min
Aug 29, 6:41 PM EDTSpecial Weather StatementRNKMontgomery, City of Radford34 min
Aug 29, 6:42 PM EDTSpecial Weather StatementRNKCity of Roanoke, City of Salem33 min
Aug 29, 6:57 PM EDTAreal Flood AdvisoryRNKMontgomery3 hr
Aug 29, 7:02 PM EDTSevere Thunderstorm WarningRNKGiles27 min
Aug 29, 7:03 PM EDTAreal Flood AdvisoryRNKRoanoke, City of Roanoke, City of Salem117 min
Aug 29, 7:16 PM EDTSpecial Weather StatementRNKFloyd, Montgomery, Roanoke, City of Roanoke, City of Salem44 min
Aug 29, 7:40 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington35 min
Aug 29, 7:55 PM EDTSpecial Weather StatementRNKFloyd35 min
Aug 29, 12:54 PM EDTSpecial Weather StatementRNKGreenbrier36 min
Aug 29, 12:57 PM EDTSpecial Weather StatementRNKSummers33 min
Aug 29, 1:31 PM EDTSpecial Weather StatementRNKSummers29 min
Aug 29, 5:25 PM EDTSpecial Weather StatementRNKMonroe35 min
Aug 29, 5:34 PM EDTSpecial Weather StatementRNKGreenbrier26 min
Aug 29, 6:06 PM EDTSpecial Weather StatementRNKSummers24 min
Aug 29, 6:20 PM EDTSpecial Weather StatementRNKSummers25 min
Aug 29, 6:44 PM EDTSpecial Weather StatementRNKMonroe31 min
Aug 29, 6:48 PM EDTSpecial Weather StatementRNKSummers27 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021Severe Thunderstorm Warnings in West 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.