Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 102, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 25, 2021, 6:44 PM EDT for Amherst County, Appomattox County, Campbell County, Virginia. It was in force for 61 min. 2 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 25, 2021, 6:44 PM EDT (22:44 UTC)
- Expired
- Jul 25, 2021, 7:45 PM EDT
- In force
- 61 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), 117 km from the middle of the area, began a volume at 22:48 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 |
|---|---|---|---|
| Jul 25, 6:44 PM EDT | TSTM WND DMG | 1 N Elon, VA | SEVERAL TREES DOWN ALONG AMBROSE RUCKER ROAD. |
| Jul 25, 7:55 PM EDT | HAIL 0.7 | 3 Ne Madison Heights, 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, 10.7 hours before the alert went out and 48 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.
738
WUUS51 KRNK 252244
SVRRNK
VAC009-011-031-252345-
/O.NEW.KRNK.SV.W.0102.210725T2244Z-210725T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
644 PM EDT Sun Jul 25 2021
The National Weather Service in BLACKSBURG has issued a
* Severe Thunderstorm Warning for...
Northwestern Appomattox County in central Virginia...
North central Campbell County in central Virginia...
Southeastern Amherst County in central Virginia...
* Until 745 PM EDT.
* At 644 PM EDT, severe thunderstorms were located along a line
extending from near New Glasgow to near Boonsboro, moving southeast
at 15 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...
Amherst...
Bent Creek...
Madison Heights...
Falconerville...
Riverville...
New Glasgow...
and Stonewall.
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 these storms, 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 3735 7906 3738 7910 3740 7909 3741 7911
3740 7913 3743 7914 3746 7918 3747 7918
3748 7921 3751 7922 3750 7925 3753 7929
3765 7896 3755 7890 3753 7883 3755 7882
3748 7874
TIME...MOT...LOC 2244Z 321DEG 13KT 3759 7893 3748 7919
HAIL...1.00IN
WIND...60MPH
$$
BMG2 follow-up statements
802
WWUS51 KRNK 252316
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
716 PM EDT Sun Jul 25 2021
VAC009-011-031-252345-
/O.CON.KRNK.SV.W.0102.000000T0000Z-210725T2345Z/
Appomattox VA-Campbell VA-Amherst VA-
716 PM EDT Sun Jul 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHWESTERN APPOMATTOX...NORTH CENTRAL CAMPBELL AND
SOUTHEASTERN AMHERST COUNTIES...
At 716 PM EDT, severe thunderstorms were located along a line
extending from Riverville to near Falconerville to Madison Heights,
moving southeast at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bent Creek...
Madison Heights...
Falconerville...
Riverville...
Stonewall...
Oakville...
and Tower Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for DAMAGING WINDS. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
&&
LAT...LON 3735 7906 3738 7910 3740 7909 3741 7911
3740 7913 3743 7914 3746 7918 3747 7918
3749 7921 3750 7920 3760 7893 3755 7890
3753 7883 3755 7882 3748 7874
TIME...MOT...LOC 2316Z 324DEG 8KT 3753 7895 3749 7906 3744 7913
HAIL...<.75IN
WIND...60MPH
$$
BMG674
WWUS51 KRNK 252339
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
739 PM EDT Sun Jul 25 2021
VAC009-011-031-252349-
/O.EXP.KRNK.SV.W.0102.000000T0000Z-210725T2345Z/
Appomattox VA-Campbell VA-Amherst VA-
739 PM EDT Sun Jul 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN
APPOMATTOX...NORTH CENTRAL CAMPBELL AND SOUTHEASTERN AMHERST
COUNTIES WILL EXPIRE AT 745 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with these thunderstorms.
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 3735 7906 3738 7910 3740 7909 3741 7911
3740 7913 3743 7914 3746 7918 3747 7918
3749 7921 3750 7920 3760 7893 3755 7890
3753 7883 3755 7882 3748 7874
TIME...MOT...LOC 2339Z 321DEG 13KT 3747 7889 3743 7900 3738 7907
$$
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, 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 |
| Jul 25, 7:57 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Campbell | 28 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.