Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 95, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 17, 2021, 8:42 PM EDT for Rockingham County, Stokes County, North Carolina; Henry County, Virginia. It was in force for 63 min. 1 report 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 17, 2021, 8:42 PM EDT (00:42 UTC)
- Expired
- Jul 17, 2021, 9:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Rockingham County, NC, Stokes County, NC, Henry County, VA
The radar
The Roanoke radar (KFCX), 75 km from the middle of the area, began a volume at 00:45 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 17, 9:14 PM EDT | TSTM WND DMG | Stoneville, NC | MULTIPLE TREES DOWN IN THE STONEVILLE AREA. |
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 00:00Z, 0.7 hours before the alert went out and 36 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
- 995 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1335 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
821 WUUS51 KRNK 180042 SVRRNK NCC157-169-VAC089-180145- /O.NEW.KRNK.SV.W.0095.210718T0042Z-210718T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service BLACKSBURG VA 842 PM EDT Sat Jul 17 2021 The National Weather Service in BLACKSBURG has issued a * Severe Thunderstorm Warning for... Eastern Stokes County in north central North Carolina... Western Rockingham County in north central North Carolina... South central Henry County in south central Virginia... * Until 945 PM EDT. * At 841 PM EDT, a severe thunderstorm was located near Meadows, or near Walnut Cove, moving northeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Eden... Wentworth... Mayodan... Madison... Walnut Cove... Stoneville... and Danbury. 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 3626 8032 3646 8031 3661 7975 3625 7973 TIME...MOT...LOC 0041Z 241DEG 24KT 3632 8019 HAIL...<.75IN WIND...60MPH $$ RR
4 follow-up statements
088
WWUS51 KRNK 180110
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
910 PM EDT Sat Jul 17 2021
VAC089-180120-
/O.CAN.KRNK.SV.W.0095.000000T0000Z-210718T0145Z/
Henry VA-
910 PM EDT Sat Jul 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR
SOUTH CENTRAL HENRY COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3626 8021 3651 8012 3654 8000 3654 7975
3625 7973
TIME...MOT...LOC 0110Z 241DEG 24KT 3641 7998
$$
NCC157-169-180145-
/O.CON.KRNK.SV.W.0095.000000T0000Z-210718T0145Z/
Stokes NC-Rockingham NC-
910 PM EDT Sat Jul 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR
EASTERN STOKES AND WESTERN ROCKINGHAM COUNTIES...
At 910 PM EDT, a severe thunderstorm was located over Mayodan, moving
northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Eden...
Wentworth...
Mayodan...
Madison...
Walnut Cove...
Stoneville...
and Sandy 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.
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 3626 8021 3651 8012 3654 8000 3654 7975
3625 7973
TIME...MOT...LOC 0110Z 241DEG 24KT 3641 7998
HAIL...<.75IN
WIND...60MPH
$$
RR251
WWUS51 KRNK 180118
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
918 PM EDT Sat Jul 17 2021
NCC169-180128-
/O.CAN.KRNK.SV.W.0095.000000T0000Z-210718T0145Z/
Stokes NC-
918 PM EDT Sat Jul 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR
EASTERN STOKES COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3626 8003 3654 8000 3654 7975 3625 7973
TIME...MOT...LOC 0118Z 241DEG 24KT 3644 7992
$$
NCC157-180145-
/O.CON.KRNK.SV.W.0095.000000T0000Z-210718T0145Z/
Rockingham NC-
918 PM EDT Sat Jul 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR
WESTERN ROCKINGHAM COUNTY...
At 918 PM EDT, a severe thunderstorm was located over Stoneville,
moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Eden...
Wentworth...
Mayodan...
Madison...
Stoneville...
Intelligence...
and Monroeton.
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 3626 8003 3654 8000 3654 7975 3625 7973
TIME...MOT...LOC 0118Z 241DEG 24KT 3644 7992
HAIL...<.75IN
WIND...60MPH
$$
RR730 WWUS51 KRNK 180136 SVSRNK Severe Weather Statement National Weather Service BLACKSBURG VA 936 PM EDT Sat Jul 17 2021 NCC157-180145- /O.CON.KRNK.SV.W.0095.000000T0000Z-210718T0145Z/ Rockingham NC- 936 PM EDT Sat Jul 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR CENTRAL ROCKINGHAM COUNTY... At 935 PM EDT, a severe thunderstorm was located over Eden, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Eden... Wentworth... Monroeton... and Haw River State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for DAMAGING WINDS. For your safety, move to an interior room on the lowest floor of a sturdy building. Stay away from windows. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. When it is safe to do so, please send your reports of hail of any size, as well as reports of any wind damage, including downed trees or large limbs, to the National Weather Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be shared on the National Weather Service Blacksburg Facebook page and on Twitter. && LAT...LON 3625 7985 3654 7981 3654 7975 3625 7973 TIME...MOT...LOC 0135Z 241DEG 24KT 3650 7979 HAIL...<.75IN WIND...60MPH $$ RR
534
WWUS51 KRNK 180143 RRA
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
943 PM EDT Sat Jul 17 2021
NCC157-180153-
/O.EXP.KRNK.SV.W.0095.000000T0000Z-210718T0145Z/
Rockingham NC-
943 PM EDT Sat Jul 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR
CENTRAL ROCKINGHAM COUNTY WILL EXPIRE AT 945 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
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 3625 7985 3654 7981 3654 7975 3625 7973
TIME...MOT...LOC 0143Z 241DEG 24KT 3652 7975
$$
RRThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:14 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 41 min |
| Jul 17, 9:18 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 57 min |
| Jul 17, 10:04 PM EDT | Severe Thunderstorm Warning | RNK | Caswell | 56 min |
| Jul 18, 2:42 PM EDT | Special Weather Statement | RNK | Ashe | 33 min |
| Jul 18, 3:11 PM EDT | Special Weather Statement | RNK | Wilkes | 34 min |
| Jul 18, 3:20 PM EDT | Areal Flood Advisory | RNK | Surry | 83 min |
| Jul 18, 3:36 PM EDT | Special Weather Statement | RNK | Surry | 24 min |
| Jul 18, 3:50 PM EDT | Special Weather Statement | RNK | Surry | 25 min |
| Jul 18, 3:58 PM EDT | Special Weather Statement | RNK | Surry | 32 min |
| Jul 18, 4:27 PM EDT | Special Weather Statement | RNK | Stokes | 33 min |
| Jul 18, 4:43 PM EDT | Flash Flood Warning | RNK | Surry | 4 hr |
| Jul 18, 4:53 PM EDT | Special Weather Statement | RNK | Caswell | 37 min |
| Jul 18, 5:06 PM EDT | Special Weather Statement | RNK | Rockingham, Stokes | 24 min |
| Jul 18, 5:30 PM EDT | Special Weather Statement | RNK | Rockingham | 30 min |
| Jul 17, 8:54 PM EDT | Special Weather Statement | RNK | Tazewell | 36 min |
| Jul 17, 10:29 PM EDT | Special Weather Statement | RNK | Bland, Giles, Tazewell | 31 min |
| Jul 18, 2:52 PM EDT | Special Weather Statement | RNK | Patrick | 23 min |
| Jul 18, 3:05 PM EDT | Special Weather Statement | RNK | City of Martinsville | 25 min |
| Jul 18, 3:24 PM EDT | Areal Flood Advisory | RNK | Carroll | 3 hr |
| Jul 18, 3:29 PM EDT | Special Weather Statement | RNK | Smyth | 31 min |
| Jul 18, 3:33 PM EDT | Special Weather Statement | RNK | City of Danville | 27 min |
| Jul 18, 3:53 PM EDT | Severe Thunderstorm Warning | RNK | Henry, Patrick | 37 min |
| Jul 18, 4:03 PM EDT | Special Weather Statement | RNK | Smyth | 27 min |
| Jul 18, 4:05 PM EDT | Special Weather Statement | RNK | City of Danville | 25 min |
| Jul 18, 4:09 PM EDT | Special Weather Statement | RNK | Patrick | 36 min |
| Jul 18, 4:12 PM EDT | Areal Flood Advisory | RNK | Carroll, Grayson, City of Galax | 112 min |
| Jul 18, 4:19 PM EDT | Special Weather Statement | RNK | City of Galax | 26 min |
| Jul 18, 4:23 PM EDT | Special Weather Statement | RNK | Henry | 37 min |
| Jul 18, 5:11 PM EDT | Special Weather Statement | RNK | Carroll | 34 min |
| Jul 18, 5:38 PM EDT | Special Weather Statement | RNK | Charlotte | 37 min |
| Jul 18, 6:20 PM EDT | Severe Thunderstorm Warning | RNK | Charlotte | 40 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2021Severe 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.