Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 430, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Aug 14, 2021, 6:29 PM EDT for Albemarle County, City of Charlottesville, Virginia. It was in force for 37 min. 10 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
- Aug 14, 2021, 6:29 PM EDT (22:29 UTC)
- Expired
- Aug 14, 2021, 7:06 PM EDT
- In force
- 37 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
The radar
The Sterling radar (KLWX), 149 km from the middle of the area, began a volume at 22:30 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 |
|---|---|---|---|
| Aug 14, 6:35 PM EDT | TSTM WND DMG | 1 W Crozet, VA | LARGE TREE DOWN AT A RESIDENCE NEAR THE INTERSECTION OF MILLSTREAM DRIVE AND MILLBURN COURT. |
| Aug 14, 6:35 PM EDT | TSTM WND DMG | 2 N Crozet, VA | WIRES DOWN NEAR THE INTERSECTION OF VA-810 WHITE HALL ROAD AND ROCKERY PLACE. |
| Aug 14, 6:39 PM EDT | TSTM WND DMG | 2 Sw Crozet, VA | A TREE WAS DOWN ALONG ROUTE 250 NEAR THE INTERSECTION OF INTERSTATE 64. |
| Aug 14, 6:40 PM EDT | TSTM WND DMG | 1 Sw Crozet, VA | ROOF LIFTED OFF A HOUSE UNDER CONSTRUCTION CAUSING TOP FLOOR WALL COLLAPSE IN THE 1000 BLOCK OF HEATHERCROFT LANE. |
| Aug 14, 6:40 PM EDT | TSTM WND DMG | 1 Sw Crozet, VA | ROOF LIFTED OFF CAUSING TOP FLOOR WALL COLLLAPSE AT A BUSINESS IN THE 1000 BLOCK OF HEATHERCROFT LANE. |
| Aug 14, 6:40 PM EDT | TSTM WND DMG | 2 Sw Crozet, VA | TREE DOWN NEAR THE INTERSECTION OF US-250 ROCKFISH GAP TURNPIKE AND VA-797 HILLSBORO LANE. |
| Aug 14, 6:40 PM EDT | TSTM WND DMG | 2 Wsw Crozet, VA | WIRES DOWN NEAR THE INTERSECTION OF VA-684 HALF MILE BRANCH ROAD AND HARVEST FARMS LANE. |
| Aug 14, 6:57 PM EDT | TSTM WND DMG | 3 Nne Covesville, VA | THERE WERE ABOUT 100 CALLS FOR DOWNED TREES AND WIRES IN THE CROZET TO NORTH GARDEN AREA OF ALBEMARLE COUNTY. SOME HOMES LOST SIDING AND SHINGLES OR HAD MINOR PORCH RAILING DAMAGE IN CROZET. |
| Aug 14, 7:05 PM EDT | TSTM WND DMG | 2 Wsw North Garden, VA | TREE DOWN IN THE 4300 BLOCK OF US-29 MONACAN TRAIL ROAD. |
| Aug 14, 7:11 PM EDT | TSTM WND DMG | Covesville, VA | TREE ON WIRES NEAR THE INTERSECTION OF US-29 MONACAN TRAIL ROAD AND LACKEY LANE. |
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, 10.5 hours before the alert went out and 117 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
- 154 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 1147 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
364
WUUS51 KLWX 142229
SVRLWX
VAC003-540-142330-
/O.NEW.KLWX.SV.W.0430.210814T2229Z-210814T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
629 PM EDT Sat Aug 14 2021
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for...
The City of Charlottesville in central Virginia...
Northern Albemarle County in central Virginia...
* Until 730 PM EDT.
* At 629 PM EDT, severe thunderstorms were located along a line
extending from Free Union to near Crozet, moving southeast at 10
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damaging winds will cause some trees and large branches
to fall. This could injure those outdoors, as well as
damage homes and vehicles. Roadways may become blocked by
downed trees. Localized power outages are possible.
Unsecured light objects may become projectiles.
* Locations impacted include...
Charlottesville, Crozet, Free Union, Westmoreland, Hollymead, Ivy,
Greenwood, Boonesville, North Garden, Newcomb Hall, Batesville,
Covesville, Yancey Mills, Monticello, Flordon, Carrsbrook,
Earlysville, Barracks, Scott Stadium and White Hall.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3804 7884 3805 7883 3806 7880 3808 7879
3808 7878 3811 7878 3825 7861 3806 7833
3785 7872
TIME...MOT...LOC 2229Z 328DEG 8KT 3816 7854 3807 7875
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DHOF5 follow-up statements
273
WWUS51 KLWX 142233
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
633 PM EDT Sat Aug 14 2021
VAC003-540-142330-
/O.CON.KLWX.SV.W.0430.000000T0000Z-210814T2330Z/
City of Charlottesville VA-Albemarle VA-
633 PM EDT Sat Aug 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN ALBEMARLE COUNTY AND THE CITY OF CHARLOTTESVILLE...
At 633 PM EDT, severe thunderstorms were located along a line
extending from Free Union to near Crozet, moving east at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damaging winds will cause some trees and large branches to
fall. This could injure those outdoors, as well as damage
homes and vehicles. Roadways may become blocked by downed
trees. Localized power outages are possible. Unsecured
light objects may become projectiles.
Locations impacted include...
Charlottesville, Crozet, Free Union, Westmoreland, Hollymead, Ivy,
Greenwood, North Garden, Newcomb Hall, Batesville, Covesville, Yancey
Mills, Monticello, Flordon, Carrsbrook, Barracks, Scott Stadium,
White Hall and Earlysville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3804 7884 3805 7883 3806 7880 3808 7879
3808 7878 3811 7878 3822 7861 3818 7852
3806 7833 3785 7872
TIME...MOT...LOC 2233Z 270DEG 8KT 3816 7854 3807 7875
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DHOF475
WWUS51 KLWX 142244
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
644 PM EDT Sat Aug 14 2021
VAC003-540-142330-
/O.CON.KLWX.SV.W.0430.000000T0000Z-210814T2330Z/
City of Charlottesville VA-Albemarle VA-
644 PM EDT Sat Aug 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN ALBEMARLE COUNTY AND THE CITY OF CHARLOTTESVILLE...
At 643 PM EDT, severe thunderstorms were located along a line
extending from Free Union to near Crozet, moving southeast at 10 mph.
HAZARD...70 mph wind gusts and quarter size hail, especially near
Crozet.
SOURCE...Radar indicated.
IMPACT...Winds will cause considerable damage to some trees. This
could injure those outdoors, as well as damage homes and
vehicles. Roadways may become blocked by downed trees.
Localized power outages are possible. Unsecured light
objects may become projectiles.
Locations impacted include...
Charlottesville, Crozet, Free Union, Westmoreland, Hollymead, Ivy,
Greenwood, North Garden, Newcomb Hall, Batesville, Covesville, Yancey
Mills, Monticello, Flordon, Carrsbrook, Barracks, Scott Stadium,
White Hall and Earlysville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3804 7884 3805 7883 3806 7880 3808 7879
3808 7878 3821 7858 3818 7852 3806 7833
3785 7872
TIME...MOT...LOC 2243Z 328DEG 8KT 3815 7853 3806 7874
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
DHOF664
WWUS51 KLWX 142252
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
652 PM EDT Sat Aug 14 2021
VAC003-540-142330-
/O.CON.KLWX.SV.W.0430.000000T0000Z-210814T2330Z/
City of Charlottesville VA-Albemarle VA-
652 PM EDT Sat Aug 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN ALBEMARLE COUNTY AND THE CITY OF CHARLOTTESVILLE...
At 652 PM EDT, severe thunderstorms were located along a line
extending from near Free Union to near Crozet, moving southeast at 10
mph.
HAZARD...70 mph wind gusts and ping pong ball size hail, especially
just southeast of Greenwood and Crozet to near North Garden.
SOURCE...Radar indicated.
IMPACT...Damaging winds will cause some trees and large branches to
fall. This could injure those outdoors, as well as damage
homes and vehicles. Roadways may become blocked by downed
trees. Localized power outages are possible. Unsecured
light objects may become projectiles.
Locations impacted include...
Charlottesville, Crozet, Free Union, Westmoreland, Hollymead, Ivy,
Greenwood, North Garden, Newcomb Hall, Batesville, Covesville, Yancey
Mills, Monticello, Flordon, Carrsbrook, Barracks, Scott Stadium,
White Hall and Earlysville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3804 7884 3805 7883 3806 7880 3818 7852
3806 7833 3785 7872
TIME...MOT...LOC 2252Z 328DEG 8KT 3814 7852 3805 7873
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
DHOF420
WWUS51 KLWX 142258
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
658 PM EDT Sat Aug 14 2021
VAC003-540-142330-
/O.CON.KLWX.SV.W.0430.000000T0000Z-210814T2330Z/
City of Charlottesville VA-Albemarle VA-
658 PM EDT Sat Aug 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR CENTRAL ALBEMARLE COUNTY AND THE CITY OF CHARLOTTESVILLE...
At 658 PM EDT, a severe thunderstorm was located near
Charlottesville, moving southeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damaging winds will cause some trees and large branches to
fall. This could injure those outdoors, as well as damage
homes and vehicles. Roadways may become blocked by downed
trees. Localized power outages are possible. Unsecured
light objects may become projectiles.
Locations impacted include...
Charlottesville, Crozet, Free Union, Westmoreland, Hollymead, Ivy,
Newcomb Hall, Monticello, Flordon, Carrsbrook, Barracks, Scott
Stadium and Earlysville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3818 7852 3806 7833 3794 7855 3808 7869
TIME...MOT...LOC 2258Z 326DEG 12KT 3802 7855
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DHOF189
WWUS51 KLWX 142306
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
706 PM EDT Sat Aug 14 2021
VAC003-540-142316-
/O.CAN.KLWX.SV.W.0430.000000T0000Z-210814T2330Z/
City of Charlottesville VA-Albemarle VA-
706 PM EDT Sat Aug 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ALBEMARLE COUNTY AND
THE CITY OF CHARLOTTESVILLE IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Sterling Virginia.
LAT...LON 3818 7852 3806 7833 3794 7855 3808 7869
TIME...MOT...LOC 2305Z 328DEG 8KT 3800 7854
$$
DHOFThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:22 PM EDT | Special Marine Warning | LWX | 98 min | |
| Aug 14, 1:12 AM EDT | Special Marine Warning | LWX | 48 min | |
| Aug 14, 1:30 AM EDT | Small Craft Advisory | LWX | 34 hr | |
| Aug 14, 1:57 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Nelson | 33 min |
| Aug 14, 2:24 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Nelson | 22 min |
| Aug 14, 4:03 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Madison, Orange | 42 min |
| Aug 14, 6:14 PM EDT | Flash Flood Watch | LWX | Albemarle, Amherst, Arlington, Augusta, Clarke, Culpeper and 21 more | 10 hr |
| Aug 14, 6:57 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Nelson | 49 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.