Alert archive / Virginia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 21, NWS Blacksburg, VA

May 4, 2022Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 4, 2022, 3:09 PM EDT for Charlotte County, Halifax County, Virginia. It was in force for 32 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: May 4, 2022, 3:09 PM EDT (19:09 UTC)
Expired: May 4, 2022, 3:41 PM EDT
In force: 32 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), 140 km from the middle of the area, began a volume at 19:11 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
May 4, 3:18 PM EDT	HAIL 0.25	6 Wnw Saxe, VA

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 12:00Z, 7.2 hours before the alert went out and 84 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: 302 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

493 
WUUS51 KRNK 041909
SVRRNK
VAC037-083-042015-
/O.NEW.KRNK.SV.W.0021.220504T1909Z-220504T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
309 PM EDT Wed May 4 2022

The National Weather Service in BLACKSBURG has issued a

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

* Until 415 PM EDT.

* At 308 PM EDT, a severe thunderstorm was located near Mt Laurel, or
  7 miles northwest of Clover, moving east at 20 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...
  Keysville...
  Charlotte Court House...
  Clover...
  Drakes Branch...
  Mt Laurel...
  Wylliesburg...
  and Saxe.

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 3679 7858 3682 7890 3707 7885
      3705 7845
TIME...MOT...LOC 1908Z 270DEG 16KT 3693 7879 

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

$$

VFJ

2 follow-up statements

581 
WWUS51 KRNK 041923
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
323 PM EDT Wed May 4 2022

VAC037-083-042015-
/O.CON.KRNK.SV.W.0021.000000T0000Z-220504T2015Z/
Charlotte VA-Halifax VA-
323 PM EDT Wed May 4 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR
CENTRAL CHARLOTTE AND NORTHEASTERN HALIFAX COUNTIES...

At 322 PM EDT, a severe thunderstorm was located over Saxe, or near
Clover, moving east at 20 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...
Keysville...
Charlotte Court House...
Clover...
Drakes Branch...
Mt Laurel...
Wylliesburg...
and Saxe.

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 3679 7858 3682 7890 3707 7885
      3705 7845
TIME...MOT...LOC 1922Z 270DEG 16KT 3693 7871 

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

$$

VFJ

467 
WWUS51 KRNK 041941
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
341 PM EDT Wed May 4 2022

VAC037-083-041951-
/O.CAN.KRNK.SV.W.0021.000000T0000Z-220504T2015Z/
Charlotte VA-Halifax VA-
341 PM EDT Wed May 4 2022

...THE SEVERE THUNDERSTORM WARNING FOR 
CENTRAL CHARLOTTE AND NORTHEASTERN HALIFAX COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

LAT...LON 3689 7849 3679 7858 3682 7890 3707 7885
      3705 7845
TIME...MOT...LOC 1939Z 270DEG 16KT 3693 7860 

$$

VFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 8:02 PM EDT	Special Weather Statement	RNK	Pulaski	28 min
May 3, 8:22 PM EDT	Special Weather Statement	RNK	Montgomery, City of Radford	23 min
May 3, 8:46 PM EDT	Special Weather Statement	RNK	Craig, Roanoke	29 min
May 3, 9:37 PM EDT	Special Weather Statement	RNK	Craig	38 min
May 3, 9:51 PM EDT	Special Weather Statement	RNK	Roanoke	24 min
May 3, 10:05 PM EDT	Special Weather Statement	RNK	Alleghany, Botetourt, City of Covington	25 min
May 3, 10:29 PM EDT	Special Weather Statement	RNK	Alleghany, Bath, Botetourt, Rockbridge, City of Covington, City of Lexington	61 min
May 3, 10:52 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Rockbridge, City of Buena Vista, City of Lexington	40 min
May 3, 11:42 PM EDT	Special Weather Statement	RNK	Alleghany, Bath, City of Covington	33 min
May 4, 12:17 AM EDT	Special Weather Statement	RNK	Rockbridge, City of Covington, City of Lexington	43 min
May 4, 2:53 PM EDT	Special Weather Statement	RNK	Charlotte	37 min
May 4, 7:58 PM EDT	Special Weather Statement	RNK	Halifax	47 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2022 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.