Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 218, NWS Blacksburg, VA

October 25, 2021Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Oct 25, 2021, 8:19 PM EDT for Charlotte County, Halifax County, Virginia. It was in force for 42 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, 8:19 PM EDT (00:19 UTC)
Expired: Oct 25, 2021, 9:01 PM EDT
In force: 42 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Charlotte County, VA, Halifax County, VA

The radar

The Raleigh/Durham radar (KRAX), 121 km from the middle of the area, began a volume at 00:23 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
Oct 25, 8:28 PM EDT	TSTM WND DMG	1 Wnw South Boston, VA	A TREE DOWN ONTO TWO HOUSES ALONG FOREST DRIVE. NO OCCUPANTS WERE REPORTED IN THE HOUSES AT THE TIME.
Oct 25, 8:28 PM EDT	TSTM WND DMG	South Boston, VA	MULTIPLE TREES REPORTED DOWN ACROSS THE SOUTH BOSTON AREA DUE TO THUNDERSTORM WINDS.
Oct 25, 8:35 PM EDT	TSTM WND DMG	South Boston, VA	TREE ON HOME IN SOUTH BOSTON FROM STORM. LIKEWISE, LARGE LIMBS ON ANOTHER HOME IN THE CITY.

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.

Issued	Product	Office	Lasted
Oct 25, 6:26 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 0.3 hours before the alert went out and 88 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: -105 m²/s²
0-3 km storm-relative helicity: -66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

042 
WUUS51 KRNK 260019
SVRRNK
VAC037-083-260115-
/O.NEW.KRNK.SV.W.0218.211026T0019Z-211026T0115Z/

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

The National Weather Service in BLACKSBURG has issued a

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

* Until 915 PM EDT.

* At 818 PM EDT, a severe thunderstorm was located near Nathalie,
  moving northeast at 35 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...
  Redoak...
  Clover...
  Turbeville...
  Nathalie...
  and Scottsburg.

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.

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 3666 7860
      3669 7866 3668 7870 3654 7873 3654 7916
      3695 7908 3697 7847
TIME...MOT...LOC 0018Z 239DEG 29KT 3689 7893 

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

$$

ET

2 follow-up statements

111 
WWUS51 KRNK 260039
SVSRNK

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

VAC037-083-260115-
/O.CON.KRNK.SV.W.0218.000000T0000Z-211026T0115Z/
Charlotte VA-Halifax VA-
839 PM EDT Mon Oct 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR SOUTHEASTERN CHARLOTTE AND EASTERN HALIFAX COUNTIES...

At 839 PM EDT, a severe thunderstorm was located over Dryburg, or
near Clover, moving east at 35 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...
Redoak...
Clover...
Scottsburg...
Hitesburg...
Staunton River State Park...
and Wylliesburg.

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 3654 7894 3696 7881 3697 7847 3689 7849
      3670 7865 3663 7855 3666 7860 3669 7866
      3668 7870 3654 7873
TIME...MOT...LOC 0039Z 265DEG 30KT 3676 7872 

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

$$

ET

853 
WWUS51 KRNK 260101
SVSRNK

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

VAC037-083-260111-
/O.CAN.KRNK.SV.W.0218.000000T0000Z-211026T0115Z/
Charlotte VA-Halifax VA-
901 PM EDT Mon Oct 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN CHARLOTTE AND EASTERN HALIFAX COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.  However heavy rain is still possible with this
thunderstorm.

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

LAT...LON 3654 7894 3696 7881 3697 7847 3689 7849
      3670 7865 3663 7855 3666 7860 3669 7866
      3668 7870 3654 7873
TIME...MOT...LOC 0100Z 239DEG 29KT 3685 7853 

$$

ET

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 25, 8:06 PM EDT	Tornado Warning	RNK	Halifax, Pittsylvania	39 min
Oct 25, 8:16 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	29 min
Oct 25, 10:20 PM EDT	Wind Advisory	RNK	Alleghany, Bath, Botetourt, Carroll, Floyd, Franklin and 10 more	25 hr

Nearby

Severe Thunderstorm Warnings in Virginia, 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.