Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 108, NWS Blacksburg, VA

July 26, 20216 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 26, 2021, 2:07 PM EDT for 6 counties in Virginia. It was in force for 38 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
Jul 26, 2021, 2:07 PM EDT (18:07 UTC)
Expired
Jul 26, 2021, 2:45 PM EDT
In force
38 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bedford County, VA, Botetourt County, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Roanoke County, VA

The radar

The Roanoke radar (KFCX), 44 km from the middle of the area, began a volume at 18:08 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
Jul 26, 2:41 PM EDTTSTM WND DMG3 Sse Cloverdale, VATREE DOWN ON COACHMAN DRIVE. REPORTED BY WDBJ-TV.

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
Jul 26, 1:39 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.1 hours before the alert went out and 38 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 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 658 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 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
658 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

399 
WUUS51 KRNK 261807 RRA
SVRRNK
VAC019-023-045-161-770-775-261845-
/O.NEW.KRNK.SV.W.0108.210726T1807Z-210726T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
207 PM EDT Mon Jul 26 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Roanoke County in west central Virginia...
  Southeastern Craig County in southwestern Virginia...
  The City of Salem in west central Virginia...
  The City of Roanoke in west central Virginia...
  West central Bedford County in south central Virginia...
  Southwestern Botetourt County in west central Virginia...

* Until 245 PM EDT.

* At 206 PM EDT, a severe thunderstorm was located near Catawba,
  moving southeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Roanoke...
  Salem...
  Vinton...
  Troutville...
  Montvale...
  Catawba...
  and Hollins.

This includes The following Locations The Salem Fairgrounds and
Roanoke Regional 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 3744 7967 3721 7986 3720 7989 3718 7989
      3717 7991 3718 8002 3735 8022 3750 8010
TIME...MOT...LOC 1806Z 294DEG 33KT 3739 8006 

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

DB
3 follow-up statements
396 
WWUS51 KRNK 261820
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
220 PM EDT Mon Jul 26 2021

VAC045-261829-
/O.CAN.KRNK.SV.W.0108.000000T0000Z-210726T1845Z/
Craig VA-
220 PM EDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN CRAIG 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, southwestern 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 3721 7986 3721 7988 3720 7989 3718 7989
      3717 7991 3718 8002 3737 8015 3739 8014
      3742 8008 3745 8004 3749 8002 3744 7967
TIME...MOT...LOC 1819Z 294DEG 24KT 3737 8001 

$$

VAC019-023-161-770-775-261845-
/O.CON.KRNK.SV.W.0108.000000T0000Z-210726T1845Z/
Roanoke VA-City of Salem VA-City of Roanoke VA-Bedford VA-
Botetourt VA-
220 PM EDT Mon Jul 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT 
FOR CENTRAL ROANOKE...WEST CENTRAL BEDFORD AND SOUTHWESTERN 
BOTETOURT COUNTIES...THE CITY OF SALEM AND THE CITY OF ROANOKE...

At 219 PM EDT, a severe thunderstorm was located near Hollins, or
near Catawba, moving southeast at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Roanoke...
Salem...
Vinton...
Troutville...
Montvale...
Catawba...
and Hollins.

This includes The following Locations The Salem Fairgrounds and
Roanoke Regional 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 3721 7986 3721 7988 3720 7989 3718 7989
      3717 7991 3718 8002 3737 8015 3739 8014
      3742 8008 3745 8004 3749 8002 3744 7967
TIME...MOT...LOC 1819Z 294DEG 24KT 3737 8001 

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

DB
847 
WWUS51 KRNK 261834
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
234 PM EDT Mon Jul 26 2021

VAC019-023-161-770-775-261845-
/O.CON.KRNK.SV.W.0108.000000T0000Z-210726T1845Z/
Roanoke VA-City of Salem VA-City of Roanoke VA-Bedford VA-
Botetourt VA-
234 PM EDT Mon Jul 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT 
FOR EASTERN ROANOKE...WEST CENTRAL BEDFORD AND SOUTHWESTERN 
BOTETOURT COUNTIES...THE CITY OF SALEM AND THE CITY OF ROANOKE...

At 233 PM EDT, severe thunderstorms were located along a line
extending from near Nace to Hollins to near Salem, moving southeast
at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Roanoke...
Salem...
Vinton...
Troutville...
Montvale...
Hollins...
and Nace.

This includes The following Locations The Salem Fairgrounds and
Roanoke Regional 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 3721 7986 3721 7988 3720 7989 3718 7989
      3717 7991 3718 8002 3734 8013 3736 8007
      3738 8003 3743 7997 3747 7990 3744 7967
TIME...MOT...LOC 1833Z 296DEG 22KT 3742 7981 3734 7994 3732 8005 

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

DB
769 
WWUS51 KRNK 261842
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
242 PM EDT Mon Jul 26 2021

VAC019-023-161-770-775-261851-
/O.EXP.KRNK.SV.W.0108.000000T0000Z-210726T1845Z/
Roanoke VA-City of Salem VA-City of Roanoke VA-Bedford VA-
Botetourt VA-
242 PM EDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ROANOKE...WEST 
CENTRAL BEDFORD AND SOUTHWESTERN BOTETOURT COUNTIES...THE CITY OF 
SALEM AND THE CITY OF ROANOKE WILL EXPIRE AT 245 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

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 3721 7986 3721 7988 3720 7989 3718 7989
      3717 7991 3718 8002 3734 8013 3736 8007
      3738 8003 3743 7997 3747 7990 3744 7967
TIME...MOT...LOC 1841Z 299DEG 17KT 3739 7982 3731 7995 3729 8006 

$$

DB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:01 PM EDTSpecial Weather StatementRNKBuckingham29 min
Jul 25, 9:06 PM EDTSpecial Weather StatementRNKFloyd24 min
Jul 26, 12:15 PM EDTSpecial Weather StatementRNKGiles30 min
Jul 26, 12:22 PM EDTSpecial Weather StatementRNKCity of Lynchburg23 min
Jul 26, 12:27 PM EDTSpecial Weather StatementRNKBotetourt33 min
Jul 26, 12:42 PM EDTSpecial Weather StatementRNKHenry, Patrick48 min
Jul 26, 1:02 PM EDTSpecial Weather StatementRNKBedford, City of Roanoke, City of Salem43 min
Jul 26, 1:07 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Franklin, Roanoke, City of Roanoke68 min
Jul 26, 1:38 PM EDTSpecial Weather StatementRNKFranklin37 min
Jul 26, 1:45 PM EDTSpecial Weather StatementRNKCraig, Roanoke, City of Roanoke, City of Salem30 min
Jul 26, 1:56 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania49 min
Jul 26, 2:07 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem39 min
Jul 26, 2:10 PM EDTSpecial Weather StatementRNKPatrick50 min
Jul 26, 2:19 PM EDTSevere Thunderstorm WarningRNKPatrick41 min
Jul 26, 2:44 PM EDTSevere Thunderstorm WarningRNKFranklin, Pittsylvania61 min
Jul 26, 3:00 PM EDTSevere Thunderstorm WarningRNKAmherst, Rockbridge, City of Buena Vista, City of Lexington60 min
Jul 26, 3:10 PM EDTSpecial Weather StatementRNKCampbell50 min
Jul 26, 3:41 PM EDTAreal Flood AdvisoryRNKCampbell3 hr
Jul 26, 3:45 PM EDTSpecial Weather StatementRNKFranklin, City of Martinsville60 min
Jul 26, 3:49 PM EDTSevere Thunderstorm WarningRNKAmherst56 min
Jul 26, 3:54 PM EDTSpecial Weather StatementRNKRockbridge, City of Buena Vista, City of Lexington51 min
Jul 26, 4:00 PM EDTSpecial Weather StatementRNKAppomattox60 min
Jul 26, 4:09 PM EDTSevere Thunderstorm WarningRNKHenry, City of Martinsville55 min
Jul 26, 4:13 PM EDTSpecial Weather StatementRNKCity of Radford47 min
Jul 26, 4:19 PM EDTSevere Thunderstorm WarningRNKMontgomery, Pulaski, City of Radford56 min
Jul 26, 4:32 PM EDTSevere Thunderstorm WarningRNKAppomattox, Campbell47 min
Jul 26, 4:34 PM EDTAreal Flood AdvisoryRNKRockbridge, City of Lexington3 hr
Jul 26, 4:36 PM EDTSpecial Weather StatementRNKFloyd54 min
Jul 26, 4:57 PM EDTSevere Thunderstorm WarningRNKBuckingham33 min
Jul 26, 5:01 PM EDTSpecial Weather StatementRNKAmherst, City of Buena Vista, City of Lexington59 min
Jul 26, 5:10 PM EDTFlash Flood WarningRNKAppomattox, Campbell3 hr
Jul 26, 5:10 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Montgomery, Pulaski65 min
Jul 26, 5:44 PM EDTAreal Flood AdvisoryRNKRockbridge3 hr
Jul 26, 5:45 PM EDTSpecial Weather StatementRNKSmyth30 min
Jul 26, 5:50 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Pulaski55 min
Jul 26, 5:54 PM EDTSpecial Weather StatementRNKBland51 min
Jul 26, 6:18 PM EDTSpecial Weather StatementRNKWythe, City of Galax27 min
Jul 26, 6:33 PM EDTSpecial Weather StatementRNKBotetourt57 min
Jul 26, 6:37 PM EDTSpecial Weather StatementRNKPulaski, City of Radford53 min
Jul 26, 6:41 PM EDTSpecial Weather StatementRNKCraig34 min
Jul 26, 6:50 PM EDTSevere Thunderstorm WarningRNKBotetourt40 min
Jul 26, 7:02 PM EDTSpecial Weather StatementRNKCraig28 min
Jul 26, 7:12 PM EDTSpecial Weather StatementRNKCity of Galax63 min
Jul 26, 7:24 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Roanoke, City of Roanoke, City of Salem40 min
Jul 26, 7:28 PM EDTAreal Flood AdvisoryRNKBedford, Botetourt, Roanoke3 hr

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.