Alert archive / Virginia / Tornado Warnings in 2021

Tornado Warning 22, NWS Blacksburg, VA

August 31, 2021Carroll County, Virginia

NWS Blacksburg, VA issued this tornado warning at Aug 31, 2021, 4:54 PM EDT for Carroll County, Virginia. It was in force for 36 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
Aug 31, 2021, 4:54 PM EDT (20:54 UTC)
Expired
Aug 31, 2021, 5:30 PM EDT
In force
36 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Carroll County, VA

The radar

The Roanoke radar (KFCX), 53 km from the middle of the area, began a volume at 20:53 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 31, 5:08 PM EDTTSTM WND DMGGladesboro, VATREE DOWN AT INTERSECTION OF SNAKE CREEK ROAD AND RED HILL ROAD.

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, 8.9 hours before the alert went out and 101 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 2021-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 379 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 2021-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
379 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1017 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

186 
WFUS51 KRNK 312054
TORRNK
VAC035-312130-
/O.NEW.KRNK.TO.W.0022.210831T2054Z-210831T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
454 PM EDT Tue Aug 31 2021

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Central Carroll County in southwestern Virginia...

* Until 530 PM EDT.
    
* At 454 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Fancy Gap, moving north at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Hillsville...
  Fancy Gap...
  Dugspur...
  Gladesboro...
  Sylvatus...
  and Woodlawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3663 8079 3687 8079 3679 8052 3661 8070
TIME...MOT...LOC 2054Z 200DEG 12KT 3664 8072 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

WP
3 follow-up statements
761 
WWUS51 KRNK 312104
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
504 PM EDT Tue Aug 31 2021

VAC035-312130-
/O.CON.KRNK.TO.W.0022.000000T0000Z-210831T2130Z/
Carroll VA-
504 PM EDT Tue Aug 31 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR 
CENTRAL CARROLL COUNTY...
    
At 504 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Fancy Gap, moving north at 15 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Hillsville...
Fancy Gap...
and Gladesboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3667 8074 3684 8075 3679 8053 3665 8067
TIME...MOT...LOC 2104Z 198DEG 9KT 3668 8068 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

WP
210 
WWUS51 KRNK 312115
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
515 PM EDT Tue Aug 31 2021

VAC035-312130-
/O.CON.KRNK.TO.W.0022.000000T0000Z-210831T2130Z/
Carroll VA-
515 PM EDT Tue Aug 31 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR 
EAST CENTRAL CARROLL COUNTY...
    
At 515 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Gladesboro, or near Hillsville, moving north at 15
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Gladesboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3671 8068 3683 8072 3679 8055 3671 8065
TIME...MOT...LOC 2115Z 200DEG 14KT 3673 8066 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

WP
029 
WWUS51 KRNK 312121
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
521 PM EDT Tue Aug 31 2021

VAC035-312131-
/O.EXP.KRNK.TO.W.0022.000000T0000Z-210831T2130Z/
Carroll VA-
521 PM EDT Tue Aug 31 2021

...THE TORNADO WARNING FOR 
EAST CENTRAL CARROLL COUNTY WILL EXPIRE AT 530 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3671 8068 3683 8072 3679 8055 3671 8065
TIME...MOT...LOC 2121Z 200DEG 12KT 3674 8065 

$$

WP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 8:28 PM EDTSpecial Weather StatementRNKCity of Martinsville32 min
Aug 30, 8:59 PM EDTSpecial Weather StatementRNKCity of Martinsville31 min
Aug 31, 1:42 AM EDTSpecial Weather StatementRNKSmyth33 min
Aug 31, 2:59 PM EDTWind AdvisoryRNKGrayson, Smyth, Tazewell15 hr
Aug 31, 4:29 PM EDTSpecial Weather StatementRNKCarroll31 min
Aug 31, 4:57 PM EDTSpecial Weather StatementRNKCity of Galax33 min
Aug 31, 5:36 PM EDTSpecial Weather StatementRNKFloyd24 min
Aug 31, 6:29 PM EDTSpecial Weather StatementRNKMontgomery, City of Radford31 min
Aug 31, 6:39 PM EDTTornado WarningRNKMontgomery, City of Radford36 min
Aug 31, 7:11 PM EDTTornado WarningRNKCraig, Montgomery34 min
Aug 31, 7:29 PM EDTSpecial Weather StatementRNKMontgomery, City of Radford31 min
Aug 31, 7:33 PM EDTSpecial Weather StatementRNKFloyd27 min
Aug 31, 7:50 PM EDTTornado WarningRNKGiles, Montgomery25 min

Nearby

Tornado Warnings in Virginia, 2021Every tornado warning in 2021Tornadoes 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.