Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 212, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Sep 22, 2021, 4:27 PM EDT for Patrick County, Virginia; Stokes County, North Carolina. It was in force for 33 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
- Sep 22, 2021, 4:27 PM EDT (20:27 UTC)
- Expired
- Sep 22, 2021, 5:00 PM EDT
- In force
- 33 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Stokes County, NC, Patrick County, VA
The radar
The Roanoke radar (KFCX), 50 km from the middle of the area, began a volume at 20:27 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 |
|---|---|---|---|
| Sep 22, 4:29 PM EDT | TSTM WND DMG | 3 W Stuart, VA | A FEW TREES WERE BLOWN DOWN BY THUNDERSTORM WINDS ALONG DOBYNS CHURCH ROAD. |
| Sep 22, 4:29 PM EDT | TSTM WND DMG | 6 Wsw Stuart, VA | A FEW TREES WERE REPORTED DOWN DUE TO THUNDERSTORMS WINDS ALONG LITTLE DAN RIVER ROAD. |
| Sep 22, 4:39 PM EDT | TSTM WND DMG | Stuart, VA | A TREE WAS BLOWN DOWN BY THUNDERSTORM WINDS ALONG DOBYNS ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.5 hours before the alert went out and 66 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
- 410 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
378 WUUS51 KRNK 222027 SVRRNK NCC169-VAC141-222100- /O.NEW.KRNK.SV.W.0212.210922T2027Z-210922T2100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service BLACKSBURG VA 427 PM EDT Wed Sep 22 2021 The National Weather Service in BLACKSBURG has issued a * Severe Thunderstorm Warning for... Northwestern Stokes County in north central North Carolina... Southeastern Patrick County in southwestern Virginia... * Until 500 PM EDT. * At 427 PM EDT, a severe thunderstorm was located over Collinstown, or near Francisco, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Stuart... Francisco... Collinstown... Patrick Springs... Critz... and Buffalo Ridge. 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. 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 3648 8034 3652 8044 3677 8029 3663 8007 TIME...MOT...LOC 2027Z 220DEG 28KT 3655 8034 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ BMG
3 follow-up statements
560
WWUS51 KRNK 222038
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
438 PM EDT Wed Sep 22 2021
NCC169-222047-
/O.CAN.KRNK.SV.W.0212.000000T0000Z-210922T2100Z/
Stokes NC-
438 PM EDT Wed Sep 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN STOKES COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3655 8042 3677 8029 3663 8007 3654 8023
TIME...MOT...LOC 2037Z 219DEG 27KT 3660 8029
$$
VAC141-222100-
/O.CON.KRNK.SV.W.0212.000000T0000Z-210922T2100Z/
Patrick VA-
438 PM EDT Wed Sep 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR SOUTHEASTERN PATRICK COUNTY...
At 437 PM EDT, a severe thunderstorm was located over Stuart, moving
northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Stuart...
Patrick Springs...
Critz...
and Buffalo Ridge.
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.
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 3655 8042 3677 8029 3663 8007 3654 8023
TIME...MOT...LOC 2037Z 219DEG 27KT 3660 8029
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
BMG219 WWUS51 KRNK 222049 SVSRNK Severe Weather Statement National Weather Service BLACKSBURG VA 449 PM EDT Wed Sep 22 2021 VAC141-222100- /O.CON.KRNK.SV.W.0212.000000T0000Z-210922T2100Z/ Patrick VA- 449 PM EDT Wed Sep 22 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR SOUTHEASTERN PATRICK COUNTY... At 449 PM EDT, a severe thunderstorm was located over Patrick Springs, or near Stuart, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Stuart... Patrick Springs... Critz... and Buffalo Ridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for DAMAGING WINDS. For your safety, move to an interior room on the lowest floor of a sturdy building. Stay away from windows. Locally heavy rain will quickly reduce visibility and result in ponding of water on roadways, standing water in low lying areas, and minor flooding of creeks, streams, and areas of poor drainage. Drivers are urged to slow down and use extra caution to avoid hydroplaning. When it is safe to do so, please send your reports of hail of any size, as well as reports of any wind damage, including downed trees or large limbs, to the National Weather Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be shared on the National Weather Service Blacksburg Facebook page and on Twitter. && LAT...LON 3663 8037 3677 8029 3665 8011 3658 8024 TIME...MOT...LOC 2049Z 220DEG 28KT 3667 8021 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ BMG
322
WWUS51 KRNK 222055
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
455 PM EDT Wed Sep 22 2021
VAC141-222104-
/O.EXP.KRNK.SV.W.0212.000000T0000Z-210922T2100Z/
Patrick VA-
455 PM EDT Wed Sep 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PATRICK COUNTY
WILL EXPIRE AT 500 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 3663 8037 3677 8029 3665 8011 3658 8024
TIME...MOT...LOC 2054Z 220DEG 28KT 3670 8018
$$
BMGThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 8:07 PM EDT | Areal Flood Advisory | RNK | Floyd, Franklin | 3 hr |
| Sep 21, 9:00 PM EDT | Areal Flood Advisory | RNK | Floyd, Franklin, Montgomery, Roanoke, City of Roanoke, City of Salem | 3 hr |
| Sep 21, 9:34 PM EDT | Areal Flood Advisory | RNK | Carroll, Floyd, Patrick | 3 hr |
| Sep 21, 10:10 PM EDT | Flash Flood Warning | RNK | Carroll, Floyd, Patrick | 6 hr |
| Sep 21, 10:19 PM EDT | Areal Flood Advisory | RNK | Floyd, Patrick | 3 hr |
| Sep 21, 11:25 PM EDT | Areal Flood Advisory | RNK | Floyd, Franklin | 3 hr |
| Sep 21, 11:56 PM EDT | Areal Flood Advisory | RNK | Carroll, Floyd, Montgomery, Pulaski, City of Radford | 6 hr |
| Sep 22, 12:20 AM EDT | Flash Flood Warning | RNK | Floyd, Patrick | 4 hr |
| Sep 22, 1:00 AM EDT | Flash Flood Warning | RNK | Franklin, Roanoke, City of Roanoke, City of Salem | 3 hr |
| Sep 22, 1:12 AM EDT | Flash Flood Warning | RNK | Montgomery | 6 hr |
| Sep 22, 2:27 AM EDT | Flash Flood Warning | RNK | Craig, Giles | 6 hr |
| Sep 22, 5:03 AM EDT | Areal Flood Advisory | RNK | Floyd, Franklin, Henry, Patrick | 3 hr |
| Sep 22, 11:00 AM EDT | Areal Flood Advisory | RNK | Bedford, Botetourt, Floyd, Franklin, Henry, Patrick and 7 more | 11 hr |
| Sep 22, 1:35 PM EDT | Special Weather Statement | RNK | City of Martinsville | 25 min |
| Sep 22, 2:02 PM EDT | Special Weather Statement | RNK | Amherst | 28 min |
| Sep 22, 2:52 PM EDT | Areal Flood Advisory | RNK | Craig, Giles, Montgomery, Pulaski, City of Radford | 2 hr |
| Sep 22, 3:38 PM EDT | Special Weather Statement | RNK | Floyd, Montgomery | 22 min |
| Sep 22, 4:01 PM EDT | Special Weather Statement | RNK | Patrick | 29 min |
| Sep 22, 4:20 PM EDT | Special Weather Statement | RNK | Patrick | 40 min |
| Sep 22, 4:35 PM EDT | Special Weather Statement | RNK | Franklin | 40 min |
| Sep 22, 4:47 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Buena Vista, City of Lexington | 28 min |
| Sep 22, 4:53 PM EDT | Flash Flood Warning | RNK | Bedford, Franklin, Patrick, Roanoke | 4 hr |
| Sep 22, 5:32 PM EDT | Flash Flood Warning | RNK | Bedford, Botetourt, Rockbridge, City of Buena Vista, City of Lexington | 3 hr |
| Sep 22, 7:10 PM EDT | Areal Flood Warning | RNK | Rockbridge | 2 hr |
| Sep 22, 7:19 PM EDT | Areal Flood Advisory | RNK | Amherst | 3 hr |
| Sep 22, 1:41 AM EDT | Areal Flood Warning | RNK | Surry | 6 hr |
| Sep 22, 3:55 AM EDT | Areal Flood Advisory | RNK | Stokes | 3 hr |
| Sep 22, 3:48 PM EDT | Special Weather Statement | RNK | Stokes | 27 min |
| Sep 22, 4:08 PM EDT | Areal Flood Advisory | RNK | Stokes, Surry | 2 hr |
| Sep 22, 4:59 PM EDT | Flash Flood Warning | RNK | Stokes, Surry, Yadkin | 84 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2021Severe Thunderstorm Warnings in North Carolina, 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.