Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 96, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 17, 2021, 9:18 PM EDT for Caswell County, Rockingham County, North Carolina. It was in force for 57 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, 9:18 PM EDT (01:18 UTC)
- Expired
- Jul 17, 2021, 10:15 PM EDT
- In force
- 57 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Caswell County, NC, Rockingham County, NC
The radar
The Roanoke radar (KFCX), 97 km from the middle of the area, began a volume at 01:17 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, 9:22 PM EDT | TSTM WND DMG | Reidsville, NC | MULTIPLE TREES DOWN IN THE REIDSVILLE 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, 1.3 hours before the alert went out and 44 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.
549 WUUS51 KRNK 180118 SVRRNK NCC033-157-180215- /O.NEW.KRNK.SV.W.0096.210718T0118Z-210718T0215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service BLACKSBURG VA 918 PM EDT Sat Jul 17 2021 The National Weather Service in BLACKSBURG has issued a * Severe Thunderstorm Warning for... Rockingham County in north central North Carolina... Caswell County in north central North Carolina... * Until 1015 PM EDT. * At 918 PM EDT, severe thunderstorms were located along a line extending from Eden to near Monroeton, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Eden... Reidsville... Wentworth... Yanceyville... Bethel... Jericho... and Prospect Hill. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for damaging winds, as well as deadly cloud to ground lightning. 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 3625 7985 3654 7981 3654 7914 3624 7915 TIME...MOT...LOC 0118Z 259DEG 34KT 3649 7974 3624 7976 HAIL...<.75IN WIND...60MPH $$ RR
3 follow-up statements
468 WWUS51 KRNK 180143 SVSRNK Severe Weather Statement National Weather Service BLACKSBURG VA 943 PM EDT Sat Jul 17 2021 NCC033-157-180215- /O.CON.KRNK.SV.W.0096.000000T0000Z-210718T0215Z/ Rockingham NC-Caswell NC- 943 PM EDT Sat Jul 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR EASTERN ROCKINGHAM AND CASWELL COUNTIES... At 943 PM EDT, severe thunderstorms were located along a line extending from near Blanch to near Camp Springs, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Reidsville... Yanceyville... Bethel... Providence... Jericho... Prospect Hill... and Mayfield. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for DAMAGING WINDS, as well as deadly cloud to ground lightning. For your safety, move to an interior room on the lowest floor of a sturdy building. Stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. When it is safe to do so, please send your reports of hail of any size, as well as reports of any wind damage, including downed trees or large limbs, to the National Weather Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be shared on the National Weather Service Blacksburg Facebook page and on Twitter. && LAT...LON 3625 7968 3654 7956 3654 7914 3624 7915 TIME...MOT...LOC 0143Z 263DEG 40KT 3648 7927 3627 7948 HAIL...<.75IN WIND...60MPH $$ RR
776 WWUS51 KRNK 180206 SVSRNK Severe Weather Statement National Weather Service BLACKSBURG VA 1006 PM EDT Sat Jul 17 2021 NCC157-180215- /O.CAN.KRNK.SV.W.0096.000000T0000Z-210718T0215Z/ Rockingham NC- 1006 PM EDT Sat Jul 17 2021 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ROCKINGHAM COUNTY IS CANCELLED... The storms which prompted the warning have 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 3640 7937 3654 7944 3654 7914 3624 7915 TIME...MOT...LOC 0205Z 259DEG 34KT 3652 7903 3631 7924 $$ NCC033-180215- /O.CON.KRNK.SV.W.0096.000000T0000Z-210718T0215Z/ Caswell NC- 1006 PM EDT Sat Jul 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR EASTERN CASWELL COUNTY... At 1005 PM EDT, severe thunderstorms were located along a line extending from near Alton to Hightowers, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Yanceyville... Providence... Milton... Gatewood... Blanch... Leasburg... and Hamer. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for DAMAGING WINDS. For your safety, move to an interior room on the lowest floor of a sturdy building. Stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. When it is safe to do so, please send your reports of hail of any size, as well as reports of any wind damage, including downed trees or large limbs, to the National Weather Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be shared on the National Weather Service Blacksburg Facebook page and on Twitter. && LAT...LON 3640 7937 3654 7944 3654 7914 3624 7915 TIME...MOT...LOC 0205Z 259DEG 34KT 3652 7903 3631 7924 HAIL...<.75IN WIND...60MPH $$ RR
603
WWUS51 KRNK 180222
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
1022 PM EDT Sat Jul 17 2021
NCC033-180232-
/O.EXP.KRNK.SV.W.0096.000000T0000Z-210718T0215Z/
Caswell NC-
1022 PM EDT Sat Jul 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR
EASTERN CASWELL COUNTY HAS EXPIRED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been 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 3640 7937 3654 7944 3654 7914 3624 7915
TIME...MOT...LOC 0222Z 259DEG 34KT 3655 7886 3634 7907
$$
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, 8:42 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 63 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 |
Nearby
Severe 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.