Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS Blacksburg, VA

July 1, 2021Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 1, 2021, 10:24 PM EDT for Charlotte County, Halifax County, Virginia. It was in force for 66 min. 1 report 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
Jul 1, 2021, 10:24 PM EDT (02:24 UTC)
Expired
Jul 1, 2021, 11:30 PM EDT
In force
66 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Charlotte County, VA, Halifax County, VA

The radar

The Roanoke radar (KFCX), 142 km from the middle of the area, began a volume at 02:26 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
Jul 1, 10:26 PM EDTTSTM WND DMG4 Sse Phenix, VATREE DOWN AT 136 ADAMS ROAD. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 2.4 hours before the alert went out and 75 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 00:00Z on 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 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
65 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

909 
WUUS51 KRNK 020224
SVRRNK
VAC037-083-020330-
/O.NEW.KRNK.SV.W.0070.210702T0224Z-210702T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
1024 PM EDT Thu Jul 1 2021

The National Weather Service in BLACKSBURG has issued a

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

* Until 1130 PM EDT.

* At 1024 PM EDT, a severe thunderstorm was located over Leda, or
  near Nathalie, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Keysville...
  Charlotte Court House...
  Phenix...
  Nathalie...
  Drakes Branch...
  Leda...
  and Abilene.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for 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 this storm, 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 3693 7848 3680 7915 3696 7912 3703 7892
      3702 7891 3703 7890 3715 7855 3714 7854
      3714 7853 3713 7851 3711 7850 3709 7848
      3708 7845
TIME...MOT...LOC 0224Z 250DEG 37KT 3689 7906 

HAIL...<.75IN
WIND...60MPH
 
$$

PW
2 follow-up statements
077 
WWUS51 KRNK 020251
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1051 PM EDT Thu Jul 1 2021

VAC037-083-020330-
/O.CON.KRNK.SV.W.0070.000000T0000Z-210702T0330Z/
Charlotte VA-Halifax VA-
1051 PM EDT Thu Jul 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CENTRAL CHARLOTTE AND NORTH CENTRAL HALIFAX COUNTIES...

At 1050 PM EDT, a severe thunderstorm was located near Saxe, or near
Phenix, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Keysville...
Charlotte Court House...
Phenix...
Nathalie...
Drakes Branch...
Abilene...
and Saxe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for 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 this storm, 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 3682 7906 3700 7900 3703 7892 3702 7891
      3703 7890 3715 7855 3714 7854 3714 7853
      3713 7851 3711 7850 3709 7848 3708 7845
      3693 7848
TIME...MOT...LOC 0250Z 250DEG 37KT 3698 7874 

HAIL...<.75IN
WIND...60MPH
 
$$

PW
609 
WWUS51 KRNK 020305
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1105 PM EDT Thu Jul 1 2021

VAC037-083-020330-
/O.CON.KRNK.SV.W.0070.000000T0000Z-210702T0330Z/
Charlotte VA-Halifax VA-
1105 PM EDT Thu Jul 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CENTRAL CHARLOTTE AND NORTH CENTRAL HALIFAX COUNTIES...

At 1104 PM EDT, a severe thunderstorm was located over Drakes Branch,
or near Charlotte Court House, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Keysville...
Charlotte Court House...
Phenix...
Drakes Branch...
Abilene...
Saxe...
and Aspen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for 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 this storm, 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 3684 7896 3703 7890 3715 7855 3714 7854
      3714 7853 3713 7851 3711 7850 3709 7848
      3708 7845 3693 7848
TIME...MOT...LOC 0304Z 241DEG 34KT 3703 7858 

HAIL...<.75IN
WIND...60MPH
 
$$

AS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:01 PM EDTSpecial Weather StatementRNKPittsylvania, City of Martinsville29 min
Jul 1, 8:34 PM EDTAreal Flood AdvisoryRNKGrayson3 hr
Jul 1, 8:52 PM EDTAreal Flood AdvisoryRNKFranklin, Henry, Patrick, Pittsylvania, City of Martinsville4 hr
Jul 1, 9:32 PM EDTSpecial Weather StatementRNKCity of Martinsville28 min
Jul 1, 9:45 PM EDTFlash Flood WarningRNKHenry, City of Martinsville6 hr
Jul 1, 9:58 PM EDTSpecial Weather StatementRNKPittsylvania, City of Danville32 min
Jul 1, 11:41 PM EDTSpecial Weather StatementRNKHalifax34 min
Jul 2, 12:04 AM EDTSpecial Weather StatementRNKHalifax26 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.