Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 103, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 25, 2021, 7:57 PM EDT for Amherst County, Appomattox County, Campbell County, Virginia. It was in force for 28 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
- Jul 25, 2021, 7:57 PM EDT (23:57 UTC)
- Expired
- Jul 25, 2021, 8:25 PM EDT
- In force
- 28 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Amherst County, VA, Appomattox County, VA, Campbell County, VA
The radar
The Roanoke radar (KFCX), 113 km from the middle of the area, began a volume at 23:59 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, 12.0 hours before the alert went out and 42 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
723
WUUS51 KRNK 252357
SVRRNK
VAC009-011-031-260100-
/O.NEW.KRNK.SV.W.0103.210725T2357Z-210726T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
757 PM EDT Sun Jul 25 2021
The National Weather Service in BLACKSBURG has issued a
* Severe Thunderstorm Warning for...
West central Appomattox County in central Virginia...
Northeastern Campbell County in central Virginia...
Southeastern Amherst County in central Virginia...
* Until 900 PM EDT.
* At 757 PM EDT, a severe thunderstorm was located near Madison
Heights, or near Lynchburg, moving southeast at 10 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...
Appomattox...
Concord...
Rustburg...
Madison Heights...
Appomattox National Historic Park...
Stonewall...
and Bocock.
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.
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 3724 7906 3737 7914 3737 7912 3740 7909
3741 7911 3740 7912 3741 7914 3743 7914
3744 7916 3753 7904 3738 7879
TIME...MOT...LOC 2357Z 317DEG 9KT 3742 7906
HAIL...1.00IN
WIND...60MPH
$$
BMG2 follow-up statements
014
WWUS51 KRNK 260017
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
817 PM EDT Sun Jul 25 2021
VAC009-260026-
/O.CAN.KRNK.SV.W.0103.000000T0000Z-210726T0100Z/
Amherst VA-
817 PM EDT Sun Jul 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN AMHERST COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3727 7899 3737 7911 3738 7911 3739 7909
3739 7906 3742 7907 3742 7904 3743 7904
3743 7902 3744 7901 3748 7895 3738 7879
TIME...MOT...LOC 0016Z 318DEG 8KT 3740 7904
$$
VAC011-031-260100-
/O.CON.KRNK.SV.W.0103.000000T0000Z-210726T0100Z/
Appomattox VA-Campbell VA-
817 PM EDT Sun Jul 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR WEST CENTRAL APPOMATTOX AND NORTHEASTERN CAMPBELL COUNTIES...
At 816 PM EDT, a severe thunderstorm was located near Stonewall, or
near Concord, moving southeast at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Appomattox...
Concord...
Stonewall...
Appomattox National Historic Park...
Spout Spring...
and Oakville.
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 3727 7899 3737 7911 3738 7911 3739 7909
3739 7906 3742 7907 3742 7904 3743 7904
3743 7902 3744 7901 3748 7895 3738 7879
TIME...MOT...LOC 0016Z 318DEG 8KT 3740 7904
HAIL...<.75IN
WIND...60MPH
$$
BMG680
WWUS51 KRNK 260025
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
825 PM EDT Sun Jul 25 2021
VAC011-031-260035-
/O.CAN.KRNK.SV.W.0103.000000T0000Z-210726T0100Z/
Appomattox VA-Campbell VA-
825 PM EDT Sun Jul 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL APPOMATTOX AND
NORTHEASTERN CAMPBELL COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3727 7899 3737 7911 3738 7911 3739 7909
3739 7906 3742 7907 3742 7904 3743 7904
3743 7902 3744 7901 3748 7895 3738 7879
TIME...MOT...LOC 0023Z 317DEG 9KT 3738 7902
$$
BMGThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 9:14 PM EDT | Flash Flood Warning | RNK | Buckingham | 4 hr |
| Jul 25, 5:36 PM EDT | Special Weather Statement | RNK | Bedford | 24 min |
| Jul 25, 6:33 PM EDT | Special Weather Statement | RNK | Amherst | 27 min |
| Jul 25, 6:44 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Campbell | 61 min |
| Jul 25, 7:09 PM EDT | Areal Flood Advisory | RNK | Amherst | 2 hr |
| Jul 25, 7:12 PM EDT | Special Weather Statement | RNK | Buckingham | 48 min |
| Jul 25, 7:45 PM EDT | Special Weather Statement | RNK | City of Lynchburg | 30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.