Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 127, NWS Blacksburg, VA

July 28, 2021Buckingham County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 28, 2021, 10:59 PM EDT for Buckingham County, Virginia. It was in force for 61 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
Jul 28, 2021, 10:59 PM EDT (02:59 UTC)
Expired
Jul 29, 2021, 12:00 AM EDT
In force
61 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Buckingham County, VA

The radar

The Norfolk radar (KAKQ), 156 km from the middle of the area, began a volume at 03:02 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 28, 11:15 PM EDTTSTM WND DMG5 Nne Centenary, VAREPORT OF A DOZEN LARGE TREES DOWN ACROSS HIGHWAY 20, ABOUT 2 MILES SOUTH OF JAMES RIVER. LOTS OF DEBRIS IN THE ROADWAY.
Jul 28, 11:25 PM EDTTSTM WND DMG7 Nne Centenary, VATREE DOWN ON CAMPSITE BUILDING. TIME ESTIMATED FROM RADAR.
Jul 28, 11:42 PM EDTTSTM WND DMG3 N Centenary, VASEVERAL TREES DOWN ON A HOUSE AND GARAGE. 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, 3.0 hours before the alert went out and 104 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 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
8 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
2265 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

224 
WUUS51 KRNK 290259
SVRRNK
VAC029-290400-
/O.NEW.KRNK.SV.W.0127.210729T0259Z-210729T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
1059 PM EDT Wed Jul 28 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northeastern Buckingham County in central Virginia...

* Until midnight EDT.

* At 1059 PM EDT, a severe thunderstorm was located 9 miles north of
  Centenary, or 13 miles west of Palmyra, moving south 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...
  Gold Hill...
  and Centenary.

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 3757 7868 3776 7862 3776 7858 3777 7855
      3776 7851 3777 7849 3780 7849 3776 7847
      3773 7840 3773 7836 3758 7830
TIME...MOT...LOC 0259Z 002DEG 15KT 3784 7850 

HAIL...1.00IN
WIND...60MPH
 
$$

DS
4 follow-up statements
005 
WWUS51 KRNK 290316
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1116 PM EDT Wed Jul 28 2021

VAC029-290400-
/O.CON.KRNK.SV.W.0127.000000T0000Z-210729T0400Z/
Buckingham VA-
1116 PM EDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR NORTHEASTERN BUCKINGHAM COUNTY...

At 1116 PM EDT, a severe thunderstorm was located near Centenary, or
13 miles west of Fork Union, moving south at 15 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Gold Hill...
and Centenary.

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 3757 7868 3776 7862 3776 7858 3777 7855
      3776 7851 3777 7849 3780 7849 3776 7847
      3773 7840 3773 7836 3758 7830
TIME...MOT...LOC 0316Z 002DEG 15KT 3777 7850 

HAIL...1.25IN
WIND...60MPH
 
$$

DS
714 
WWUS51 KRNK 290331
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1131 PM EDT Wed Jul 28 2021

VAC029-290400-
/O.CON.KRNK.SV.W.0127.000000T0000Z-210729T0400Z/
Buckingham VA-
1131 PM EDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR NORTHEASTERN BUCKINGHAM COUNTY...

At 1131 PM EDT, a severe thunderstorm was located over Centenary, or
10 miles north of Buckingham, moving south at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Gold Hill...
and Centenary.

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 3757 7868 3776 7862 3776 7858 3777 7855
      3776 7851 3777 7849 3780 7849 3776 7847
      3773 7840 3773 7836 3758 7830
TIME...MOT...LOC 0331Z 010DEG 19KT 3770 7853 

HAIL...1.50IN
WIND...60MPH
 
$$

DS
391 
WWUS51 KRNK 290350
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1150 PM EDT Wed Jul 28 2021

VAC029-290400-
/O.CON.KRNK.SV.W.0127.000000T0000Z-210729T0400Z/
Buckingham VA-
1150 PM EDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR NORTHEASTERN BUCKINGHAM COUNTY...

At 1148 PM EDT, a severe thunderstorm was located near Centenary, or
7 miles northeast of Buckingham, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Centenary...
and Gold Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

This is a DANGEROUS SITUATION. This storm has produced wind damage 
across Scottsville. SEEK SHELTER NOW inside a sturdy structure and 
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 3769 7857 3772 7852 3772 7849 3771 7845
      3768 7841 3758 7835 3757 7861
TIME...MOT...LOC 0348Z 332DEG 12KT 3765 7850 

HAIL...1.25IN
WIND...60MPH
 
$$

DS
356 
WWUS51 KRNK 290359
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1159 PM EDT Wed Jul 28 2021

VAC029-290408-
/O.EXP.KRNK.SV.W.0127.000000T0000Z-210729T0400Z/
Buckingham VA-
1159 PM EDT Wed Jul 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTHEASTERN BUCKINGHAM COUNTY WILL EXPIRE AT MIDNIGHT EDT...
                
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 will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

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 3769 7857 3772 7852 3772 7849 3771 7845
      3768 7841 3758 7835 3757 7861
TIME...MOT...LOC 0358Z 002DEG 15KT 3761 7850 

$$

DS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 11:56 PM EDTAreal Flood AdvisoryRNKBuckingham109 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.