Alert archive / Virginia / Tornado Warnings in 2024

Tornado Warning 21, NWS Blacksburg, VA

September 24, 2024Henry County, Pittsylvania County, Virginia

NWS Blacksburg, VA issued this tornado warning at Sep 24, 2024, 6:08 PM EDT for Henry County, Pittsylvania County, Virginia. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 24, 2024, 6:08 PM EDT (22:08 UTC)
Expired
Sep 24, 2024, 6:45 PM EDT
In force
37 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Henry County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 62 km from the middle of the area, began a volume at 22:07 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, 10.1 hours before the alert went out and 54 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 2024-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 411 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 2024-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
411 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

917 
WFUS51 KRNK 242208
TORRNK
VAC089-143-242245-
/O.NEW.KRNK.TO.W.0021.240924T2208Z-240924T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
608 PM EDT Tue Sep 24 2024

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Southwestern Pittsylvania County in south central Virginia...
  Eastern Henry County in south central Virginia...

* Until 645 PM EDT.

* At 608 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Laurel Park, or over Axton, moving east at 15 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Axton...
  Callands...
  Leatherwood...
  Swansonville...
  Chatmoss...
  Aiken Summit...
  and Sandy River.

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 3658 7979 3678 7987 3680 7979 3680 7976
      3679 7976 3683 7970 3683 7967 3684 7965
      3688 7953 3662 7943 3662 7950 3661 7951
TIME...MOT...LOC 2208Z 253DEG 15KT 3669 7975 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

AS
3 follow-up statements
948 
WWUS51 KRNK 242219
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
619 PM EDT Tue Sep 24 2024

VAC089-143-242245-
/O.CON.KRNK.TO.W.0021.000000T0000Z-240924T2245Z/
Pittsylvania VA-Henry VA-
619 PM EDT Tue Sep 24 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR 
SOUTHWESTERN PITTSYLVANIA AND NORTHEASTERN HENRY COUNTIES...

At 619 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Sandy River, or near Axton, moving east at 20 mph.

HAZARD...Tornado and quarter size hail.

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...
Axton...
Callands...
Sandy River...
Leatherwood...
Swansonville...
and Mountain Valley.

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 3661 7974 3680 7978 3680 7976 3679 7976
      3683 7970 3683 7967 3684 7965 3688 7953
      3662 7943 3662 7950
TIME...MOT...LOC 2219Z 252DEG 19KT 3671 7967 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

AS
874 
WWUS51 KRNK 242232
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
632 PM EDT Tue Sep 24 2024

VAC089-143-242245-
/O.CON.KRNK.TO.W.0021.000000T0000Z-240924T2245Z/
Pittsylvania VA-Henry VA-
632 PM EDT Tue Sep 24 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR 
SOUTHWESTERN PITTSYLVANIA AND EAST CENTRAL HENRY COUNTIES...

At 632 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Swansonville, or near Callands, moving east at 15
mph.

HAZARD...Tornado and quarter size hail.

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...
Callands...
Sandy River...
Swansonville...
and Mountain Valley.

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 3661 7965 3679 7972 3687 7953 3663 7943
      3662 7959
TIME...MOT...LOC 2232Z 253DEG 15KT 3673 7960 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

AS
972 
WWUS51 KRNK 242243
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
643 PM EDT Tue Sep 24 2024

VAC089-143-242253-
/O.EXP.KRNK.TO.W.0021.000000T0000Z-240924T2245Z/
Pittsylvania VA-Henry VA-
643 PM EDT Tue Sep 24 2024

...THE TORNADO WARNING FOR SOUTHWESTERN PITTSYLVANIA AND EAST 
CENTRAL HENRY COUNTIES WILL EXPIRE AT 645 PM EDT...

The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

&&

LAT...LON 3661 7965 3679 7972 3687 7953 3663 7943
      3662 7959
TIME...MOT...LOC 2243Z 253DEG 15KT 3674 7955 

$$

AS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 2:10 PM EDTSpecial Weather StatementRNKPulaski35 min
Sep 24, 2:22 PM EDTSpecial Weather StatementRNKGiles38 min
Sep 24, 2:41 PM EDTSevere Thunderstorm WarningRNKCraig, Giles, Montgomery, Roanoke64 min
Sep 24, 2:54 PM EDTSevere Thunderstorm WarningRNKAlleghany, Bath, Rockbridge, City of Covington48 min
Sep 24, 3:15 PM EDTSpecial Weather StatementRNKTazewell30 min
Sep 24, 3:30 PM EDTSevere Thunderstorm WarningRNKBland, Tazewell60 min
Sep 24, 3:34 PM EDTFlood WatchRNKAppomattox, Bedford, Campbell, Carroll, Charlotte, Floyd and 9 more16 hr
Sep 24, 4:02 PM EDTSevere Thunderstorm WarningRNKBland, Craig, Giles, Montgomery, Pulaski, Roanoke and 1 more58 min
Sep 24, 4:36 PM EDTSpecial Weather StatementRNKBland24 min
Sep 24, 4:48 PM EDTSpecial Weather StatementRNKHenry, City of Martinsville27 min
Sep 24, 4:59 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Patrick, Pittsylvania, City of Martinsville61 min
Sep 24, 5:11 PM EDTSpecial Weather StatementRNKPulaski, City of Radford34 min
Sep 24, 5:21 PM EDTSevere Thunderstorm WarningRNKFloyd, Montgomery, Pulaski, City of Radford54 min
Sep 24, 5:52 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania, City of Danville, City of Martinsville53 min
Sep 24, 6:04 PM EDTFlash Flood WarningRNKHenry, City of Martinsville4 hr
Sep 24, 6:13 PM EDTAreal Flood AdvisoryRNKAlleghany, Botetourt, Craig, Giles, Montgomery3 hr
Sep 24, 6:42 PM EDTSevere Thunderstorm WarningRNKPittsylvania, City of Danville63 min
Sep 24, 6:47 PM EDTSpecial Weather StatementRNKPatrick28 min
Sep 24, 6:56 PM EDTSevere Thunderstorm WarningRNKPatrick19 min
Sep 24, 7:23 PM EDTSpecial Weather StatementRNKFranklin37 min
Sep 24, 7:45 PM EDTSpecial Weather StatementRNKHalifax30 min

Nearby

Tornado Warnings in Virginia, 2024Every tornado warning in 2024Tornadoes in 2024

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.