Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 36, NWS Blacksburg, VA

May 4, 20217 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 4, 2021, 2:53 PM EDT for 7 counties in Virginia. It was in force for 67 min. 15 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
May 4, 2021, 2:53 PM EDT (18:53 UTC)
Expired
May 4, 2021, 4:00 PM EDT
In force
67 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Amherst County, VA, Bedford County, VA, Botetourt County, VA, Campbell County, VA, City of Buena Vista, VA, City of Lynchburg, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 18:52 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
May 4, 2:57 PM EDTTSTM WND DMG2 Wsw Buchanan, VATREE DOWN ALONG LITHIA ROAD.
May 4, 3:00 PM EDTTSTM WND DMG1 Ene Thaxton, VAEXTENSIVE DAMAGE TO TREES AND STRUCTURES AT A FARM ALONG PENICKS MILL ROAD IN THE THAXTON AREA. SEVERAL SKYLIGHTS BLOWN OUT OF A BARN. A LARGE SHED MOVED 6 FEET FROM ITS ORIGINAL LOCATION. NUMEROUS TREES DOWN ALONG TAYLORS MOUNTAIN ROAD, BUFFALO RUN ROAD, IRVI
May 4, 3:00 PM EDTTSTM WND DMG2 Wnw Thaxton, VAAT LEAST TWO MOBILE HOMES BLOWN OFF THEIR FOUNDATION IN THE ROBINCREST MOBILE HOME PARK BETWEEN MONTVALE AND THAXTON ALONG THE LYNCHBURG-SALEM TURNPIKE OR U.S. 460. SEVERAL LARGE TREES DOWN IN THE AREA AND CONSIDERABLE DEBRIS ALONG THE HIGHWAY AND IN THE MOBIL
May 4, 3:14 PM EDTTSTM WND DMG2 Ne Glasgow, VATREE DOWN NEAR INTERSECTION OF RIVER ROAD AND GLASGOW HIGHWAY.
May 4, 3:14 PM EDTTSTM WND DMGGlasgow, VASEVERAL TREES DOWN.
May 4, 3:19 PM EDTTSTM WND DMG1 Ene Buena Vista City, VAA LARGE TREE DOWN AT THE INTERSECTION OF EAST 23RD STREET AND WALNUT AVENUE.
May 4, 3:19 PM EDTTSTM WND DMG1 Ene Buena Vista City, VAA LARGE TREE DOWN AT THE INTERSECTION OF EAST 25TH STREET AND MAPLE AVENUE.
May 4, 3:19 PM EDTTSTM WND DMG1 Ene Buena Vista City, VALARGE TREE DOWN AT THE INTERSECTION OF MAGNOLIA AVENUE AND EAST 25TH STREET.
May 4, 3:19 PM EDTTSTM WND DMG3 Ssw Buena Vista City, VATREE DOWN ALONG GLASGOW HIGHWAY AND BENNETTS RUN ROAD.
May 4, 3:20 PM EDTTSTM WND GST 492 Wsw Boonsboro, VA
May 4, 3:30 PM EDTTSTM WND DMG2 Ese Boonsboro, VANUMEROUS VERY LARGE TREES DOWN ESPECIALLY IRVINGTON SPRINGS RD AT IRVINGTON PARK NEIGHBORHOOD. TIME ESTIMATED BY RADAR.
May 4, 3:31 PM EDTTSTM WND DMG3 Sw Falconerville, VA*** 1 FATAL *** TREE DOWN ON CAR NEAR B STREET CAUSING 1 FATALITY. TIME ESTIMATED FROM RADAR.
May 4, 3:35 PM EDTHAIL 0.88Big Island, VAPEA TO NICKEL-SIZED HAIL.
May 4, 3:38 PM EDTTSTM WND DMG2 Sse Boonsboro, VATREES DOWN ALONG WIGGINGTON ROAD.
May 4, 3:49 PM EDTTSTM WND DMG2 S Lynchburg City, VATREES DOWN IN THE FAIRVIEW HEIGHTS AREA.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 4, 1:51 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.9 hours before the alert went out and 27 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 2021-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 649 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 2021-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.1939587897Sfc1 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
649 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
750 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

989 
WUUS51 KRNK 041853
SVRRNK
VAC009-019-023-031-163-530-680-042000-
/O.NEW.KRNK.SV.W.0036.210504T1853Z-210504T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
253 PM EDT Tue May 4 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  The City of Buena Vista in west central Virginia...
  Southwestern Rockbridge County in west central Virginia...
  North central Campbell County in central Virginia...
  Northern Bedford County in south central Virginia...
  Southeastern Botetourt County in west central Virginia...
  Western Amherst County in central Virginia...
  The City of Lynchburg in central Virginia...

* Until 400 PM EDT.

* At 253 PM EDT, a severe thunderstorm was located over Montvale,
  moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lynchburg...
  Buena Vista...
  Bedford...
  Buchanan...
  Glasgow...
  Big Island...
  and Montvale.

This includes The following Locations Liberty University, The
National D-Day Memorial, and Lynchburg 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.

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 3730 7973 3754 7988 3779 7932 3737 7904
      3732 7902
TIME...MOT...LOC 1853Z 243DEG 26KT 3741 7973 

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

VFJ
3 follow-up statements
234 
WWUS51 KRNK 041918
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
318 PM EDT Tue May 4 2021

VAC009-019-023-031-163-530-680-042000-
/O.CON.KRNK.SV.W.0036.000000T0000Z-210504T2000Z/
City of Buena Vista VA-Rockbridge VA-Campbell VA-Bedford VA-
Botetourt VA-Amherst VA-City of Lynchburg VA-
318 PM EDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR
SOUTHWESTERN ROCKBRIDGE...NORTH CENTRAL CAMPBELL...NORTHEASTERN
BEDFORD...EAST CENTRAL BOTETOURT...AND WESTERN AMHERST COUNTIES...THE
CITY OF BUENA VISTA AND THE CITY OF LYNCHBURG...

At 317 PM EDT, a severe thunderstorm was located over Sedalia, or
near Big Island, moving east at 50 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...
Lynchburg...
Buena Vista...
Bedford...
Glasgow...
Big Island...
Forest...
and Coleman Falls.

This includes The following Locations Liberty University, The
National D-Day Memorial, and Lynchburg 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 3730 7959 3764 7966 3779 7932 3737 7904
      3732 7902
TIME...MOT...LOC 1917Z 255DEG 44KT 3750 7945 

HAIL...1.25IN
WIND...60MPH
 
$$

VFJ
819 
WWUS51 KRNK 041932
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
332 PM EDT Tue May 4 2021

VAC023-041941-
/O.CAN.KRNK.SV.W.0036.000000T0000Z-210504T2000Z/
Botetourt VA-
332 PM EDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
EAST CENTRAL BOTETOURT COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central, south central and west central Virginia.

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 3731 7947 3752 7951 3753 7950 3754 7951
      3769 7954 3779 7932 3737 7904 3732 7902
TIME...MOT...LOC 1931Z 243DEG 26KT 3755 7933 

$$

VAC009-019-031-163-530-680-042000-
/O.CON.KRNK.SV.W.0036.000000T0000Z-210504T2000Z/
City of Buena Vista VA-Rockbridge VA-Campbell VA-Bedford VA-
Amherst VA-City of Lynchburg VA-
332 PM EDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR
SOUTH CENTRAL ROCKBRIDGE...NORTH CENTRAL CAMPBELL...NORTHEASTERN
BEDFORD...AND WESTERN AMHERST COUNTIES...THE CITY OF BUENA VISTA AND
THE CITY OF LYNCHBURG...

At 331 PM EDT, a severe thunderstorm was located over Big Island,
moving northeast at 30 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...
Lynchburg...
Buena Vista...
Glasgow...
Big Island...
Forest...
Coleman Falls...
and Madison Heights.

This includes The following Locations Liberty University and
Lynchburg 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 3731 7947 3752 7951 3753 7950 3754 7951
      3769 7954 3779 7932 3737 7904 3732 7902
TIME...MOT...LOC 1931Z 243DEG 26KT 3755 7933 

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

VFJ
237 
WWUS51 KRNK 041952
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
352 PM EDT Tue May 4 2021

VAC009-019-031-163-530-680-042001-
/O.EXP.KRNK.SV.W.0036.000000T0000Z-210504T2000Z/
City of Buena Vista VA-Rockbridge VA-Campbell VA-Bedford VA-
Amherst VA-City of Lynchburg VA-
352 PM EDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTH CENTRAL ROCKBRIDGE...NORTH CENTRAL CAMPBELL...NORTHEASTERN
BEDFORD...AND WESTERN AMHERST COUNTIES...THE CITY OF BUENA VISTA AND
THE CITY OF LYNCHBURG WILL EXPIRE AT 400 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central, south central and west central Virginia.

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 3731 7947 3752 7951 3753 7950 3754 7951
      3769 7954 3779 7932 3737 7904 3732 7902
TIME...MOT...LOC 1951Z 243DEG 26KT 3761 7918 

$$

VFJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 12:05 PM EDTSpecial Weather StatementRNKGrayson, Smyth, Tazewell25 min
May 4, 12:31 PM EDTSpecial Weather StatementRNKBland, Grayson, Smyth, Tazewell, Wythe29 min
May 4, 1:23 PM EDTSpecial Weather StatementRNKRockbridge, City of Buena Vista, City of Lexington37 min
May 4, 1:30 PM EDTSpecial Weather StatementRNKBland, Craig, Floyd, Giles, Montgomery, Pulaski and 4 more30 min
May 4, 1:41 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Montgomery, Pulaski, City of Radford49 min
May 4, 1:53 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington37 min
May 4, 2:01 PM EDTSpecial Weather StatementRNKRockbridge14 min
May 4, 2:10 PM EDTSpecial Weather StatementRNKCity of Roanoke, City of Salem35 min
May 4, 2:12 PM EDTAreal Flood AdvisoryRNKBedford, Franklin, Montgomery, Roanoke, City of Roanoke, City of Salem2 hr
May 4, 2:15 PM EDTSevere Thunderstorm WarningRNKAlleghany, Bath, Botetourt, Rockbridge, City of Lexington60 min
May 4, 2:22 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Craig, Floyd, Franklin, Montgomery and 3 more53 min
May 4, 3:05 PM EDTSevere Thunderstorm WarningRNKAlleghany, Amherst, Botetourt, Rockbridge, City of Lexington40 min
May 4, 3:35 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham, Campbell55 min
May 4, 3:50 PM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham, Campbell, Charlotte55 min
May 4, 4:11 PM EDTSpecial Weather StatementRNKBuckingham34 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.