Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 216, NWS Blacksburg, VA

October 25, 20214 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Oct 25, 2021, 7:38 PM EDT for 4 counties in Virginia. It was in force for 37 min. 3 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
Oct 25, 2021, 7:38 PM EDT (23:38 UTC)
Expired
Oct 25, 2021, 8:15 PM EDT
In force
37 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Raleigh/Durham radar (KRAX), 128 km from the middle of the area, began a volume at 23:41 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
Oct 25, 7:38 PM EDTTSTM WND DMG4 N Keeling, VAONE INCH TREE LIMBS BROKEN AND SHINGLES BLOWN OFF A BUILDING DUE TO THUNDERSTORM WINDS 4 MILES NORTH OF KEELING, VA.
Oct 25, 8:01 PM EDTTSTM WND DMG1 Nw Elmo, VASEVERAL TREES SNAPPED.
Oct 25, 8:18 PM EDTTSTM WND DMG4 N Turbeville, VATWO PINE TREES SNAPPED/UPROOTED.

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
Oct 25, 6:26 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.6 hours before the alert went out and 83 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 2021-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1208 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

900 
WUUS51 KRNK 252338
SVRRNK
VAC031-037-083-143-260015-
/O.NEW.KRNK.SV.W.0216.211025T2338Z-211026T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
738 PM EDT Mon Oct 25 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Charlotte County in south central Virginia...
  Southeastern Campbell County in central Virginia...
  Southeastern Pittsylvania County in south central Virginia...
  Halifax County in south central Virginia...

* Until 815 PM EDT.

* At 737 PM EDT, severe thunderstorms were located along a line 
  extending from near Long Island to near Blairs, moving east at 55 
  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...
  South Boston...
  Halifax...
  Brookneal...
  Keysville...
  Charlotte Court House...
  Phenix...
  and Ingram.

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 3689 7849 3670 7865 3663 7855 3667 7861
      3669 7865 3668 7870 3660 7872 3665 7947
      3708 7916 3709 7849 3708 7845
TIME...MOT...LOC 2337Z 267DEG 56KT 3705 7908 3668 7933 

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

$$

KK
2 follow-up statements
695 
WWUS51 KRNK 260003
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
803 PM EDT Mon Oct 25 2021

VAC031-037-083-143-260015-
/O.CON.KRNK.SV.W.0216.000000T0000Z-211026T0015Z/
Charlotte VA-Campbell VA-Pittsylvania VA-Halifax VA-
803 PM EDT Mon Oct 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR
CHARLOTTE...SOUTHEASTERN CAMPBELL...SOUTHEASTERN PITTSYLVANIA AND
HALIFAX COUNTIES...

At 802 PM EDT, severe thunderstorms were located along a line
extending from Phenix to near South Boston, moving east at 55 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...
South Boston...
Halifax...
Brookneal...
Keysville...
Charlotte Court House...
Phenix...
and Ingram.

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.

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 3689 7849 3670 7865 3663 7855 3667 7862
      3669 7865 3668 7870 3660 7872 3665 7939
      3707 7906 3709 7849 3708 7845
TIME...MOT...LOC 0002Z 266DEG 47KT 3707 7874 3670 7899 

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

$$

KK
753 
WWUS51 KRNK 260014
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
814 PM EDT Mon Oct 25 2021

VAC031-037-083-143-260024-
/O.EXP.KRNK.SV.W.0216.000000T0000Z-211026T0015Z/
Charlotte VA-Campbell VA-Pittsylvania VA-Halifax VA-
814 PM EDT Mon Oct 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
CHARLOTTE...SOUTHEASTERN CAMPBELL...SOUTHEASTERN PITTSYLVANIA AND
HALIFAX COUNTIES WILL EXPIRE AT 815 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
north central North Carolina...and central and south central
Virginia.

LAT...LON 3689 7849 3670 7865 3663 7855 3667 7862
      3669 7865 3668 7870 3660 7872 3665 7939
      3707 7906 3709 7849 3708 7845
TIME...MOT...LOC 0014Z 267DEG 56KT 3708 7851 3671 7876 

$$

KK

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 5:00 PM EDTSpecial Weather StatementRNKCity of Lynchburg30 min
Oct 25, 5:02 PM EDTSpecial Weather StatementRNKRockbridge, City of Lexington28 min
Oct 25, 6:00 PM EDTSpecial Weather StatementRNKAmherst15 min
Oct 25, 6:07 PM EDTSpecial Weather StatementRNKBedford8 min
Oct 25, 6:14 PM EDTSpecial Weather StatementRNKHenry31 min
Oct 25, 6:24 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Bedford, Campbell, City of Lynchburg66 min
Oct 25, 6:29 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania, City of Martinsville61 min
Oct 25, 6:48 PM EDTTornado WarningRNKHenry, Pittsylvania, City of Martinsville27 min
Oct 25, 7:22 PM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham, Campbell, Charlotte53 min
Oct 25, 7:58 PM EDTSpecial Weather StatementRNKCity of Danville17 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.