Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 45, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Aug 21, 2021, 6:07 PM EDT for Brunswick County, New Hanover County, Pender County, North Carolina. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 21, 2021, 6:07 PM EDT (22:07 UTC)
- Expired
- Aug 21, 2021, 6:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC
The radar
The Wilmington radar (KLTX), 64 km from the middle of the area, began a volume at 22:07 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.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 10.1 hours before the alert went out and 105 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
- 1346 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
935 WUUS52 KILM 212207 SVRILM NCC019-129-141-212245- /O.NEW.KILM.SV.W.0045.210821T2207Z-210821T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Wilmington NC 607 PM EDT Sat Aug 21 2021 The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Northwestern New Hanover County in southeastern North Carolina... South central Pender County in southeastern North Carolina... Northeastern Brunswick County in southeastern North Carolina... * Until 645 PM EDT. * At 606 PM EDT, a severe thunderstorm was located near Phoenix, or near Leland, moving northeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect wind damage to trees and power lines. * Locations impacted include... Leland, Hampstead, Northwest, Long Creek, Cape Fear Community College North Campus, Wrightsboro, Ashton, Batarora, Rocky Point, Castle Hayne, Phoenix, Navassa, St. Helena and Sandy Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3437 7768 3420 7813 3432 7819 3457 7785 TIME...MOT...LOC 2206Z 235DEG 22KT 3433 7802 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ SCALORA
2 follow-up statements
995
WWUS52 KILM 212227
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
627 PM EDT Sat Aug 21 2021
NCC019-212236-
/O.CAN.KILM.SV.W.0045.000000T0000Z-210821T2245Z/
Brunswick NC-
627 PM EDT Sat Aug 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BRUNSWICK COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3437 7768 3426 7798 3426 7799 3427 7799
3427 7800 3428 7799 3428 7800 3429 7802
3432 7801 3432 7803 3433 7803 3433 7805
3434 7806 3434 7808 3435 7807 3436 7809
3452 7781
TIME...MOT...LOC 2226Z 240DEG 29KT 3439 7788
$$
NCC129-141-212245-
/O.CON.KILM.SV.W.0045.000000T0000Z-210821T2245Z/
New Hanover NC-Pender NC-
627 PM EDT Sat Aug 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTHWESTERN NEW HANOVER AND SOUTH CENTRAL PENDER COUNTIES...
At 626 PM EDT, a severe thunderstorm was located over Castle Hayne,
or 11 miles south of Burgaw, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
Locations impacted include...
Hampstead, Rocky Point, Wrightsboro, Castle Hayne and Cape Fear
Community College North Campus.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3437 7768 3426 7798 3426 7799 3427 7799
3427 7800 3428 7799 3428 7800 3429 7802
3432 7801 3432 7803 3433 7803 3433 7805
3434 7806 3434 7808 3435 7807 3436 7809
3452 7781
TIME...MOT...LOC 2226Z 240DEG 29KT 3439 7788
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SCALORA995
WWUS52 KILM 212243
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
643 PM EDT Sat Aug 21 2021
NCC129-141-212252-
/O.EXP.KILM.SV.W.0045.000000T0000Z-210821T2245Z/
New Hanover NC-Pender NC-
643 PM EDT Sat Aug 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN NEW HANOVER AND
SOUTH CENTRAL PENDER COUNTIES WILL EXPIRE AT 645 PM EDT...
The severe thunderstorm which prompted the warning has
weakened. Therefore, the warning will be allowed to expire.
LAT...LON 3437 7768 3426 7798 3426 7799 3427 7799
3427 7800 3428 7799 3428 7800 3429 7802
3432 7801 3432 7803 3433 7803 3433 7805
3434 7806 3434 7808 3435 7807 3436 7809
3452 7781
TIME...MOT...LOC 2242Z 235DEG 22KT 3444 7780
$$
SCALORAThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 8:19 PM EDT | Special Weather Statement | ILM | Bladen | 26 min |
| Aug 20, 8:55 PM EDT | Special Weather Statement | ILM | Bladen | 35 min |
| Aug 20, 9:40 PM EDT | Special Weather Statement | ILM | Pender | 50 min |
| Aug 20, 10:17 PM EDT | Special Weather Statement | ILM | New Hanover | 43 min |
| Aug 20, 10:30 PM EDT | Severe Thunderstorm Warning | ILM | Brunswick, New Hanover | 30 min |
| Aug 20, 10:49 PM EDT | Areal Flood Advisory | ILM | New Hanover, Pender | 86 min |
| Aug 20, 10:53 PM EDT | Special Marine Warning | ILM | 52 min | |
| Aug 21, 5:24 AM EDT | Coastal Flood Advisory | ILM | New Hanover | 18 hr |
| Aug 21, 5:26 PM EDT | Special Weather Statement | ILM | Columbus | 34 min |
| Aug 21, 5:31 PM EDT | Areal Flood Advisory | ILM | Brunswick, Columbus | 74 min |
| Aug 21, 5:57 PM EDT | Special Weather Statement | ILM | Pender | 33 min |
| Aug 21, 6:11 PM EDT | Special Weather Statement | ILM | Bladen | 34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.