Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 97, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 1, 2021, 5:51 AM EDT for 4 counties in North Carolina. It was in force for 39 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
- Aug 1, 2021, 5:51 AM EDT (09:51 UTC)
- Expired
- Aug 1, 2021, 6:30 AM EDT
- In force
- 39 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Davidson County, NC, Forsyth County, NC, Guilford County, NC, Randolph County, NC
The radar
The Roanoke radar (KFCX), 126 km from the middle of the area, began a volume at 09:53 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 1, 5:52 AM EDT | TSTM WND DMG | 3 Sse Clemmons, NC | TREE DOWN ON HAMPTON ROAD. |
| Aug 1, 6:05 AM EDT | TSTM WND DMG | 2 E Clemmons, NC | TREE DOWN IN CELMMONS ON IDOLS 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 00:00Z, 9.9 hours before the alert went out and 46 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
- 36 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1676 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
142
WUUS52 KRAH 010951
SVRRAH
NCC057-067-081-151-011030-
/O.NEW.KRAH.SV.W.0097.210801T0951Z-210801T1030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
551 AM EDT Sun Aug 1 2021
The National Weather Service in Raleigh has issued a
* Severe Thunderstorm Warning for...
Southeastern Forsyth County in central North Carolina...
Northern Davidson County in central North Carolina...
Northwestern Randolph County in central North Carolina...
Western Guilford County in central North Carolina...
* Until 630 AM EDT.
* At 550 AM EDT, severe thunderstorms were located along a line
extending from near Winston-Salem to near Mocksville, moving east
at 25 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...
Greensboro, Winston-Salem, High Point, Lexington, Thomasville,
Kernersville, Clemmons, Archdale, Trinity and Jamestown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3584 8048 3583 8046 3584 8045 3583 8043
3585 8042 3584 8040 3585 8039 3587 8039
3588 8042 3589 8041 3589 8037 3596 8038
3599 8042 3611 8030 3619 7966 3573 8009
3583 8049
TIME...MOT...LOC 0950Z 266DEG 22KT 3606 8030 3591 8046
HAIL...1.00IN
WIND...60MPH
$$
Green2 follow-up statements
061
WWUS52 KRAH 011013
SVSRAH
Severe Weather Statement
National Weather Service Raleigh NC
613 AM EDT Sun Aug 1 2021
NCC057-067-081-151-011030-
/O.CON.KRAH.SV.W.0097.000000T0000Z-210801T1030Z/
Forsyth NC-Davidson NC-Randolph NC-Guilford NC-
613 AM EDT Sun Aug 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM EDT
FOR SOUTHEASTERN FORSYTH...NORTHEASTERN DAVIDSON...NORTHWESTERN
RANDOLPH AND WESTERN GUILFORD COUNTIES...
At 612 AM EDT, severe thunderstorms were located along a line
extending from near Kernersville to 7 miles north of Lexington,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 6am, multiple trees were reported down
in Forsyth County.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Greensboro, Winston-Salem, High Point, Lexington, Thomasville,
Kernersville, Archdale, Trinity, Jamestown and Gordontown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3612 8021 3619 7966 3573 8009 3579 8033
3590 8034
TIME...MOT...LOC 1012Z 263DEG 23KT 3615 7999 3591 8021
HAIL...1.00IN
WIND...60MPH
$$
Green444
WWUS52 KRAH 011026
SVSRAH
Severe Weather Statement
National Weather Service Raleigh NC
626 AM EDT Sun Aug 1 2021
NCC057-067-081-151-011036-
/O.EXP.KRAH.SV.W.0097.000000T0000Z-210801T1030Z/
Forsyth NC-Davidson NC-Randolph NC-Guilford NC-
626 AM EDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FORSYTH...
NORTHEASTERN DAVIDSON...NORTHWESTERN RANDOLPH AND WESTERN GUILFORD
COUNTIES WILL EXPIRE AT 630 AM 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.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Raleigh.
LAT...LON 3612 8021 3619 7966 3573 8009 3579 8033
3590 8034
TIME...MOT...LOC 1026Z 266DEG 22KT 3616 7988 3592 8010
$$
GreenThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 5:33 AM EDT | Special Weather Statement | RAH | Guilford | 57 min |
| Aug 1, 6:27 AM EDT | Special Weather Statement | RAH | Alamance, Guilford | 63 min |
| Aug 1, 7:10 AM EDT | Severe Thunderstorm Warning | RAH | Alamance, Durham, Orange | 50 min |
| Aug 1, 7:13 AM EDT | Special Weather Statement | RAH | Person | 47 min |
| Aug 1, 8:00 AM EDT | Special Weather Statement | RAH | Granville | 45 min |
| Aug 1, 8:05 AM EDT | Special Weather Statement | RAH | Vance | 55 min |
| Aug 1, 12:56 PM EDT | Special Weather Statement | RAH | Edgecombe, Nash, Wilson | 64 min |
| Aug 1, 1:08 PM EDT | Special Weather Statement | RAH | Forsyth | 52 min |
| Aug 1, 1:12 PM EDT | Special Weather Statement | RAH | Johnston | 48 min |
| Aug 1, 1:22 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Johnston, Nash, Wake, Wayne, Wilson | 38 min |
| Aug 1, 1:31 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Sampson, Wayne | 44 min |
| Aug 1, 2:00 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Wayne, Wilson | 45 min |
| Aug 1, 2:07 PM EDT | Special Weather Statement | RAH | Chatham, Randolph | 53 min |
| Aug 1, 2:15 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 30 min |
| Aug 1, 2:42 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Randolph | 48 min |
| Aug 1, 3:03 PM EDT | Special Weather Statement | RAH | Anson, Hoke, Richmond, Scotland | 57 min |
| Aug 1, 3:18 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Hoke, Richmond, Scotland | 42 min |
| Aug 1, 3:51 PM EDT | Special Weather Statement | RAH | Sampson | 54 min |
| Aug 1, 3:51 PM EDT | Special Weather Statement | RAH | Cumberland | 54 min |
| Aug 1, 4:00 PM EDT | Tornado Warning | RAH | Cumberland | 30 min |
| Aug 1, 4:28 PM EDT | Special Weather Statement | RAH | Johnston | 62 min |
| Aug 1, 4:53 PM EDT | Special Weather Statement | RAH | Sampson | 67 min |
| Aug 1, 5:09 PM EDT | Special Weather Statement | RAH | Sampson | 36 min |
| Aug 1, 5:28 PM EDT | Special Weather Statement | RAH | Wayne | 32 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.