Alert archive / Virginia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 263, NWS Blacksburg, VA

August 10, 2022Campbell County, Halifax County, Pittsylvania County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 10, 2022, 2:50 PM EDT for Campbell County, Halifax County, Pittsylvania County, Virginia. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 10, 2022, 2:50 PM EDT (18:50 UTC)
Expired
Aug 10, 2022, 3:30 PM EDT
In force
40 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Campbell County, VA, Halifax County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 101 km from the middle of the area, began a volume at 18:50 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.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.8 hours before the alert went out and 44 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 2022-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 848 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2022-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
848 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 2:27 PM EDT, 23 minutes earlier.

Area forecast discussion, Aug 10, 2:27 PM EDT, 23 minutes before
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Hazardous weather outlook, Aug 10, 2:41 PM EDT, 9 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
241 PM EDT Wed Aug 10 2022

VAZ007-009>014-018>020-022>024-WVZ042>044-507-508-111845-
Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Craig-
Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge-Mercer-Summers-Monroe-
Eastern Greenbrier-Western Greenbrier-
241 PM EDT Wed Aug 10 2022

...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

This Hazardous Weather Outlook is for southwest Virginia, west
central Virginia and southeast West Virginia.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

In addition, strong to severe thunderstorms this afternoon and
evening may produce damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ001>006-018>020-VAZ015>017-032-033-043-044-058-059-111845-
Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes-
Yadkin-Grayson-Carroll-Floyd-Patrick-Franklin-Henry-Pittsylvania-
Halifax-Charlotte-
241 PM EDT Wed Aug 10 2022

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, south central Virginia, southwest
Virginia and west central Virginia.

.DAY ONE...This afternoon and tonight.

Scattered to numerous thunderstorms are expected this afternoon and
evening. Very heavy rainfall rates may result in localized flash
flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ035-046-047-111845-
Amherst-Appomattox-Buckingham-
241 PM EDT Wed Aug 10 2022

...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

This Hazardous Weather Outlook is for central Virginia.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

In addition, strong to severe thunderstorms this afternoon and
evening may produce damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ034-045-111845-
Bedford-Campbell-
241 PM EDT Wed Aug 10 2022

...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

This Hazardous Weather Outlook is for central Virginia and south
central Virginia.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

In addition, strong to severe thunderstorms this afternoon and
evening may produce damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 10, 1:23 PM EDT, 1 hour 27 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
123 PM EDT Wed Aug 10 2022

NCZ001-018-019-101800-
Ashe NC-Wilkes NC-Watauga NC-
123 PM EDT Wed Aug 10 2022

...Strong thunderstorms will impact portions of
western Wilkes, southeastern Watauga and southeastern Ashe Counties
through 200 PM EDT...

At 123 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Laurel Springs to Darby. Movement was east
at 10 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Glendale Springs...
Wilbar...
Deep Gap...
Mc Grady...
Darby...
Fleetwood...
and Idlewild.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3605 8139 3607 8141 3608 8143 3607 8144
      3609 8146 3609 8147 3610 8148 3610 8151
      3612 8155 3612 8161 3640 8147 3639 8125
      3636 8125 3639 8121 3639 8116 3604 8138
      3604 8140
TIME...MOT...LOC 1723Z 288DEG 8KT 3637 8131 3610 8151

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

DS
Special weather statement, Aug 10, 1:44 PM EDT, 1 hour 6 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
144 PM EDT Wed Aug 10 2022

VAZ022-023-034-101815-
Botetourt VA-Roanoke VA-Bedford VA-
144 PM EDT Wed Aug 10 2022

...A strong thunderstorm will impact portions of northeastern
Roanoke, west central Bedford and south central Botetourt Counties
and the City of Roanoke through 215 PM EDT...

At 144 PM EDT, Doppler radar was tracking a strong thunderstorm near
Montvale, moving east at 20 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Roanoke...
Vinton...
Bedford...
Stewartsville...
Montvale...
Hollins...
and Goodview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3720 7943 3721 7978 3723 7978 3723 7980
      3722 7979 3721 7980 3723 7982 3722 7983
      3722 7999 3737 7996 3747 7946
TIME...MOT...LOC 1744Z 265DEG 18KT 3732 7974

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

KK
Special weather statement, Aug 10, 1:53 PM EDT, 57 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
153 PM EDT Wed Aug 10 2022

VAZ016-017-032-033-043-101830-
Henry VA-Franklin VA-Patrick VA-Floyd VA-Carroll VA-
153 PM EDT Wed Aug 10 2022

...Strong thunderstorms will impact portions of Floyd, east central
Carroll, southwestern Henry, Patrick and southwestern Franklin
Counties through 230 PM EDT...

At 152 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Alum Ridge to Ararat. Movement was east at 25
mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Stuart...
Floyd...
Ararat...
Woolwine...
Willis...
Indian Valley...
and Ferrum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3656 8060 3698 8054 3699 8001 3654 8004
      3654 8010
TIME...MOT...LOC 1752Z 275DEG 23KT 3693 8044 3657 8051

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

KK
Special weather statement, Aug 10, 1:56 PM EDT, 54 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
156 PM EDT Wed Aug 10 2022

NCZ003-101830-
Surry NC-
156 PM EDT Wed Aug 10 2022

...A strong thunderstorm will impact portions of Surry County
through 230 PM EDT...

At 156 PM EDT, Doppler radar was tracking a strong thunderstorm near
Dobson, moving east at 25 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Mount Airy...
Fairview...
Flat Rock...
Dobson...
Pilot Mountain...
Bottom...
and Mountain Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3627 8054 3629 8054 3628 8058 3627 8059
      3629 8062 3629 8063 3627 8063 3629 8087
      3632 8087 3656 8079 3655 8044 3626 8045
TIME...MOT...LOC 1756Z 275DEG 23KT 3639 8078

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

KK
Special weather statement, Aug 10, 2:08 PM EDT, 42 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
208 PM EDT Wed Aug 10 2022

VAZ014-017-022-033-101845-
Franklin VA-Floyd VA-Montgomery VA-Roanoke VA-
208 PM EDT Wed Aug 10 2022

...A strong thunderstorm will impact portions of
southern Roanoke, northeastern Floyd, northwestern Franklin and east
central Montgomery Counties through 245 PM EDT...

At 207 PM EDT, Doppler radar was tracking a strong thunderstorm over
Bent Mountain, moving northeast at 25 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Copper Hill...
Bent Mountain...
Poages Mill...
and Cave Spring.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3702 8012 3711 8026 3728 8013 3719 7992
TIME...MOT...LOC 1807Z 221DEG 20KT 3714 8015

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

SH
Special weather statement, Aug 10, 2:44 PM EDT, 6 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
244 PM EDT Wed Aug 10 2022

NCZ003>006-019-020-101945-
Stokes NC-Rockingham NC-Yadkin NC-Surry NC-Caswell NC-Wilkes NC-
244 PM EDT Wed Aug 10 2022

...Strong thunderstorms will impact portions of Surry, Stokes,
Wilkes, Rockingham, Caswell and Yadkin Counties through 345 PM EDT...

At 243 PM EDT, Doppler radar was tracking numerous strong
thunderstorms extending along a line from Pilot Mountain to Danbury,
to Mayodan, to Yanceyville. Movement was east at 10 mph.

HAZARD...Winds in excess of 40 mph and pea size hail. Very heavy
         rainfall.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Eden...
Reidsville...
Mount Airy...
North Wilkesboro...
Elkin...
Wilkesboro...
and Fairview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3607 8141 3612 8154 3619 8146 3625 8147
      3629 8137 3637 8136 3636 8126 3643 8117
      3643 8108 3637 8098 3656 8090 3654 7914
      3624 7916 3626 8045 3614 8044 3611 8051
      3605 8050 3606 8098 3600 8132
TIME...MOT...LOC 1843Z 263DEG 8KT 3620 8094 3643 8034 3648 7986 3645
7934

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

RAB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:02 PM EDTSpecial Weather StatementRNKBland28 min
Aug 9, 8:28 PM EDTSpecial Weather StatementRNKGiles32 min
Aug 10, 3:05 AM EDTFlood WatchRNKAlleghany, Amherst, Appomattox, Bath, Bedford, Bland and 19 more21 hr
Aug 10, 11:58 AM EDTSpecial Weather StatementRNKPatrick32 min
Aug 10, 12:09 PM EDTSpecial Weather StatementRNKCity of Roanoke36 min
Aug 10, 12:18 PM EDTSpecial Weather StatementRNKGrayson27 min
Aug 10, 12:42 PM EDTSpecial Weather StatementRNKCarroll33 min
Aug 10, 12:54 PM EDTSpecial Weather StatementRNKFranklin36 min
Aug 10, 12:57 PM EDTSpecial Weather StatementRNKFranklin33 min
Aug 10, 1:14 PM EDTSpecial Weather StatementRNKCity of Roanoke31 min
Aug 10, 1:16 PM EDTSpecial Weather StatementRNKFranklin29 min
Aug 10, 1:27 PM EDTSevere Thunderstorm WarningRNKFranklin63 min
Aug 10, 1:36 PM EDTSevere Thunderstorm WarningRNKBedford, Franklin, Pittsylvania54 min
Aug 10, 1:44 PM EDTSpecial Weather StatementRNKBedford, City of Roanoke31 min
Aug 10, 1:53 PM EDTSpecial Weather StatementRNKFloyd, Patrick37 min
Aug 10, 2:02 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Campbell, Franklin, Henry and 2 more58 min
Aug 10, 2:08 PM EDTSpecial Weather StatementRNKCity of Salem37 min
Aug 10, 2:15 PM EDTAreal Flood AdvisoryRNKFranklin3 hr
Aug 10, 2:25 PM EDTSevere Thunderstorm WarningRNKFloyd37 min
Aug 10, 2:37 PM EDTAreal Flood AdvisoryRNKRoanoke, City of Salem2 hr
Aug 10, 2:55 PM EDTSpecial Weather StatementRNKRockbridge50 min
Aug 10, 3:01 PM EDTSpecial Weather StatementRNKPulaski44 min
Aug 10, 3:07 PM EDTSevere Thunderstorm WarningRNKRockbridge53 min
Aug 10, 3:25 PM EDTAreal Flood AdvisoryRNKAlleghany, Bath, Rockbridge3 hr
Aug 10, 3:46 PM EDTFlash Flood WarningRNKAlleghany, Bath, Rockbridge2 hr
Aug 10, 4:00 PM EDTAreal Flood AdvisoryRNKHalifax, Pittsylvania, City of Danville2 hr
Aug 10, 4:03 PM EDTSpecial Weather StatementRNKCharlotte, Halifax57 min
Aug 10, 4:20 PM EDTSpecial Weather StatementRNKBland55 min
Aug 10, 4:36 PM EDTSpecial Weather StatementRNKWythe39 min
Aug 10, 4:42 PM EDTSpecial Weather StatementRNKBuckingham48 min
Aug 10, 4:53 PM EDTSpecial Weather StatementRNKGiles37 min
Aug 10, 5:53 PM EDTSpecial Weather StatementRNKGrayson, Smyth, Tazewell, Wythe, City of Galax37 min
Aug 10, 6:31 PM EDTSpecial Weather StatementRNKBland, Smyth, Tazewell, Wythe44 min
Aug 10, 6:39 PM EDTAreal Flood WarningRNKGrayson, Smyth, Tazewell, Wythe3 hr
Aug 10, 6:50 PM EDTSpecial Weather StatementRNKCity of Galax40 min
Aug 10, 6:52 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington38 min
Aug 10, 7:18 PM EDTAreal Flood AdvisoryRNKCarroll, Grayson, Pulaski, Wythe103 min
Aug 10, 7:22 PM EDTSevere Thunderstorm WarningRNKAlleghany, Botetourt, Rockbridge, City of Covington39 min
Aug 10, 7:28 PM EDTAreal Flood AdvisoryRNKAlleghany, City of Covington105 min
Aug 10, 7:58 PM EDTSpecial Weather StatementRNKRockbridge, City of Buena Vista, City of Lexington32 min
Aug 10, 12:22 PM EDTSpecial Weather StatementRNKWatauga23 min
Aug 10, 12:45 PM EDTSpecial Weather StatementRNKAlleghany30 min
Aug 10, 1:22 PM EDTSpecial Weather StatementRNKSurry23 min
Aug 10, 1:23 PM EDTSpecial Weather StatementRNKWilkes37 min
Aug 10, 1:47 PM EDTSevere Thunderstorm WarningRNKWilkes58 min
Aug 10, 1:56 PM EDTSpecial Weather StatementRNKSurry34 min
Aug 10, 2:01 PM EDTAreal Flood AdvisoryRNKAlleghany, Ashe, Watauga, Wilkes3 hr
Aug 10, 2:44 PM EDTSpecial Weather StatementRNKCaswell, Rockingham, Stokes, Surry, Wilkes, Yadkin61 min
Aug 10, 3:34 PM EDTSpecial Weather StatementRNKCaswell41 min
Aug 10, 3:46 PM EDTSpecial Weather StatementRNKCaswell, Rockingham59 min
Aug 10, 3:54 PM EDTSevere Thunderstorm WarningRNKCaswell51 min
Aug 10, 6:05 PM EDTSpecial Weather StatementRNKGreenbrier25 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2022Every severe thunderstorm warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.