Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 132, NWS Blacksburg, VA

August 7, 2021Carroll County, Floyd County, Patrick County, Virginia; Stokes County, Surry County, Yadkin County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 7, 2021, 6:54 PM EDT for Carroll County, Floyd County, Patrick County, Virginia; Stokes County, Surry County, Yadkin County, North Carolina. It was in force for 66 min. 4 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 7, 2021, 6:54 PM EDT (22:54 UTC)
Expired: Aug 7, 2021, 8:00 PM EDT
In force: 66 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Stokes County, NC, Surry County, NC, Yadkin County, NC, Carroll County, VA, Floyd County, VA, Patrick County, VA

The radar

The Roanoke radar (KFCX), 85 km from the middle of the area, began a volume at 22:54 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

Time	Report	Where	Remark
Aug 7, 6:57 PM EDT	TSTM WND DMG	2 Nnw Mount Airy, NC	TREE DOWN OFF LEBANON STREET.
Aug 7, 6:58 PM EDT	TSTM WND DMG	1 Ese Mount Airy, NC	ONE TREE DOWN OFF HAMBURG STREET.
Aug 7, 7:05 PM EDT	TSTM WND DMG	1 Ne Westfield, NC	ONE TREE DOWN ALONG WORTH STREET.
Aug 7, 7:07 PM EDT	TSTM WND DMG	Flat Rock, NC	TREE DOWN NEAR INTERSECTION OF HAMBURG STREET AND LOVERS LANE.

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, 10.9 hours before the alert went out and 60 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 17 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 543 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

932 
WUUS51 KRNK 072254
SVRRNK
NCC169-171-197-VAC035-063-141-080000-
/O.NEW.KRNK.SV.W.0132.210807T2254Z-210808T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
654 PM EDT Sat Aug 7 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Surry County in northwestern North Carolina...
  Western Stokes County in north central North Carolina...
  Yadkin County in northwestern North Carolina...
  Southwestern Floyd County in southwestern Virginia...
  Eastern Carroll County in southwestern Virginia...
  Patrick County in southwestern Virginia...

* Until 800 PM EDT.

* At 654 PM EDT, severe thunderstorms were located along a line
  extending from Dugspur to near Arlington, moving east at 10 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...
  Mount Airy...
  Elkin...
  Fairview...
  Flat Rock...
  Yadkinville...
  Jonesville...
  and Dobson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds, as well as
deadly cloud to ground lightning. 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 these storms, 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 3621 8088 3685 8065 3683 8014 3626 8033
      3626 8045 3622 8043 3621 8045 3614 8044
      3610 8051 3608 8052 3605 8050
TIME...MOT...LOC 2254Z 287DEG 10KT 3679 8060 3624 8079 

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

$$

RR

4 follow-up statements

261 
WWUS51 KRNK 072313
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
713 PM EDT Sat Aug 7 2021

NCC169-171-197-VAC035-063-141-080000-
/O.CON.KRNK.SV.W.0132.000000T0000Z-210808T0000Z/
Surry NC-Stokes NC-Yadkin NC-Floyd VA-Carroll VA-Patrick VA-
713 PM EDT Sat Aug 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR
EASTERN SURRY...WESTERN STOKES...EASTERN YADKIN...SOUTHWESTERN
FLOYD...SOUTHEASTERN CARROLL AND PATRICK COUNTIES...

At 713 PM EDT, severe thunderstorms were located along a line
extending from Meadows Of Dan to Nebo, 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...
Mount Airy...
Fairview...
Flat Rock...
Yadkinville...
Dobson...
Pilot Mountain...
and Stuart.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS, as well as
deadly cloud to ground lightning. 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 these storms, 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 3620 8078 3681 8057 3683 8014 3626 8033
      3626 8045 3622 8043 3621 8045 3614 8044
      3610 8051 3608 8052 3605 8050
TIME...MOT...LOC 2313Z 289DEG 17KT 3675 8045 3620 8064 

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

$$

RR

191 
WWUS51 KRNK 072329
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
729 PM EDT Sat Aug 7 2021

NCC169-171-197-VAC035-063-141-080000-
/O.CON.KRNK.SV.W.0132.000000T0000Z-210808T0000Z/
Surry NC-Stokes NC-Yadkin NC-Floyd VA-Carroll VA-Patrick VA-
729 PM EDT Sat Aug 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR
EASTERN SURRY...WESTERN STOKES...EASTERN YADKIN...SOUTH CENTRAL
FLOYD...EAST CENTRAL CARROLL AND PATRICK COUNTIES...

At 729 PM EDT, severe thunderstorms were located along a line
extending from Meadows Of Dan to near Nebo, moving east at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public reported multiple trees down in Mount Airy.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Mount Airy...
Flat Rock...
Yadkinville...
Pilot Mountain...
Stuart...
East Bend...
and Francisco.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS, as well as
deadly cloud to ground lightning. 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 these storms, 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 3614 8067 3651 8062 3679 8051 3683 8014
      3626 8033 3626 8045 3622 8043 3621 8045
      3614 8044 3610 8051 3608 8052 3605 8050
TIME...MOT...LOC 2329Z 287DEG 10KT 3674 8040 3619 8059 

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

$$

RR

664 
WWUS51 KRNK 072351
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
751 PM EDT Sat Aug 7 2021

VAC035-063-141-080000-
/O.CAN.KRNK.SV.W.0132.000000T0000Z-210808T0000Z/
Floyd VA-Carroll VA-Patrick VA-
751 PM EDT Sat Aug 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTH CENTRAL FLOYD...EAST CENTRAL CARROLL AND PATRICK COUNTIES IS
CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

LAT...LON 3609 8051 3615 8059 3650 8044 3645 8027
      3626 8033 3626 8045 3622 8043 3621 8045
      3614 8044 3610 8051
TIME...MOT...LOC 2350Z 325DEG 17KT 3645 8038 3615 8052 

$$

NCC169-171-197-080000-
/O.CON.KRNK.SV.W.0132.000000T0000Z-210808T0000Z/
Surry NC-Stokes NC-Yadkin NC-
751 PM EDT Sat Aug 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR
SOUTHEASTERN SURRY...SOUTHWESTERN STOKES AND NORTHEASTERN YADKIN
COUNTIES...

At 750 PM EDT, severe thunderstorms were located along a line
extending from near Francisco to near Enon, moving southeast 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...
Pilot Mountain...
East Bend...
King...
Pilot Mountain State Park...
Enon...
Pinnacle...
and Capella.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS, as well as
deadly cloud to ground lightning. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3609 8051 3615 8059 3650 8044 3645 8027
      3626 8033 3626 8045 3622 8043 3621 8045
      3614 8044 3610 8051
TIME...MOT...LOC 2350Z 325DEG 17KT 3645 8038 3615 8052 

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

$$

RR

566 
WWUS51 KRNK 072356
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
756 PM EDT Sat Aug 7 2021

NCC169-171-197-080006-
/O.EXP.KRNK.SV.W.0132.000000T0000Z-210808T0000Z/
Surry NC-Stokes NC-Yadkin NC-
756 PM EDT Sat Aug 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN SURRY...SOUTHWESTERN STOKES AND NORTHEASTERN YADKIN
COUNTIES WILL EXPIRE AT 800 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.

LAT...LON 3609 8051 3615 8059 3650 8044 3645 8027
      3626 8033 3626 8045 3622 8043 3621 8045
      3614 8044 3610 8051
TIME...MOT...LOC 2356Z 287DEG 10KT 3645 8037 3615 8051 

$$

RR

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 2:21 PM EDT	Special Weather Statement	RNK	Smyth, Tazewell	54 min
Aug 7, 3:28 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	62 min
Aug 7, 3:40 PM EDT	Special Weather Statement	RNK	Tazewell	65 min
Aug 7, 4:03 PM EDT	Special Weather Statement	RNK	Buchanan	27 min
Aug 7, 4:34 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	26 min
Aug 7, 4:55 PM EDT	Special Weather Statement	RNK	Giles	35 min
Aug 7, 5:09 PM EDT	Special Weather Statement	RNK	Giles	36 min
Aug 7, 5:27 PM EDT	Special Weather Statement	RNK	Pulaski	33 min
Aug 7, 5:38 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	37 min
Aug 7, 5:40 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, Patrick, City of Galax	65 min
Aug 7, 6:00 PM EDT	Special Weather Statement	RNK	Pulaski	30 min
Aug 7, 6:43 PM EDT	Special Weather Statement	RNK	Carroll	32 min
Aug 7, 3:54 PM EDT	Special Weather Statement	RNK	Wilkes	51 min
Aug 7, 4:24 PM EDT	Severe Thunderstorm Warning	RNK	Watauga, Wilkes	43 min
Aug 7, 4:39 PM EDT	Areal Flood Advisory	RNK	Wilkes	3 hr
Aug 7, 4:47 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Ashe, Watauga, Wilkes	58 min
Aug 7, 5:02 PM EDT	Special Weather Statement	RNK	Caldwell	28 min
Aug 7, 5:24 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Surry, Wilkes	66 min
Aug 7, 6:29 PM EDT	Special Weather Statement	RNK	Surry, Yadkin	46 min

Nearby

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