Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Feb 15, 2021, 11:33 PM EST for Brunswick County, North Carolina; Horry County, South Carolina. It was in force for 17 min. 5 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
- Feb 15, 2021, 11:33 PM EST (04:33 UTC)
- Expired
- Feb 15, 2021, 11:50 PM EST
- In force
- 17 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Brunswick County, NC, Horry County, SC
The radar
The Wilmington radar (KLTX), 12 km from the middle of the area, began a volume at 04:36 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 |
|---|---|---|---|
| Feb 15, 11:37 PM EST | TSTM WND DMG | 5 Se Longwood, NC | STRUCTURAL AND HOUSE DAMAGE REPORTED BY COUNTY EM IN THE WINDSOR CIRCLE AREA OF OCEAN RIDGE PLANTATION, JUST OFF OF HIGHWAY 17. PEOPLE TRAPPED IN HOMES. SEVERAL POWER LINES DOWN ALONG HIGHWAY 17, NEAR THE HIGHWAY 904 INTERSECTION IN THE GRISSETTOWN AREA. |
| Feb 15, 11:39 PM EST | TORNADO | 4 N Sunset Beach, NC | *** 3 FATAL, 10 INJ *** FIRST TOUCHDOWN 519 SEASIDE RD. ** UPDATE, NWS PRELIMINARY SURVEY REVEALED EF3 RATING AT 160 MPH. SURVEY REMAINS ONGOING AND IS SUBJECT TO CHANGE UPON ITS COMPLETION WHICH WILL BE FOLLOWED WITH A DETAILED PUBLIC INFORMATION STATEMENT. * |
| Feb 15, 11:39 PM EST | TORNADO | 4 N Sunset Beach, NC | *** 3 FATAL, 10 INJ *** INITIAL TOUCHDOWN 519 SEASIDE ROAD. DAMAGE INDICATORS SUGGEST EF3/160 MPH. |
| Feb 15, 11:39 PM EST | TORNADO | 4 N Sunset Beach, NC | *** 3 FATAL, 10 INJ *** INITIAL TOUCHDOWN 519 SEASIDE ROAD. DETAILS AND EF RATING WILL BE AVAILABLE THIS EVENING. |
| Feb 15, 11:44 PM EST | TSTM WND DMG | 5 E Longwood, NC | POWER POLES SNAPPED. TIME ESTIMATED BY RADAR. STORM SURVEY MAY BE NEEDED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Newport, NC (KMHX), launched 00:00Z, 4.6 hours before the alert went out and 177 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 456 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
099
WUUS52 KILM 160433
SVRILM
NCC019-SCC051-160515-
/O.NEW.KILM.SV.W.0001.210216T0433Z-210216T0515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
1133 PM EST Mon Feb 15 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Southwestern Brunswick County in southeastern North Carolina...
Eastern Horry County in northeastern South Carolina...
* Until 1215 AM EST.
* At 1133 PM EST, a severe thunderstorm was located over Little River
Entrance, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
* Locations impacted include...
North Myrtle Beach, Shallotte, Sunset Beach, Holden Beach, Ocean
Isle Beach, Little River, Iredell, Carolina Shores, Calabash,
Grissettown, Seaside, Russtown and Brooksville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3390 7837 3387 7850 3385 7854 3385 7858
3383 7863 3391 7869 3405 7839 3391 7831
TIME...MOT...LOC 0433Z 230DEG 22KT 3387 7856
HAIL...<.75IN
WIND...60MPH
$$
VAO2 follow-up statements
220
WWUS52 KILM 160442
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
1142 PM EST Mon Feb 15 2021
SCC051-160451-
/O.CAN.KILM.SV.W.0001.000000T0000Z-210216T0515Z/
Horry SC-
1142 PM EST Mon Feb 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HORRY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3387 7850 3389 7854 3392 7858 3395 7861
3405 7839 3391 7831 3390 7837
TIME...MOT...LOC 0441Z 230DEG 22KT 3390 7851
$$
NCC019-160515-
/O.CON.KILM.SV.W.0001.000000T0000Z-210216T0515Z/
Brunswick NC-
1142 PM EST Mon Feb 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EST
FOR SOUTHWESTERN BRUNSWICK COUNTY...
At 1141 PM EST, a severe thunderstorm was located over Sunset Beach,
moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
Locations impacted include...
Shallotte, Sunset Beach, Holden Beach, Ocean Isle Beach, Iredell,
Russtown, Grissettown and Seaside.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3387 7850 3389 7854 3392 7858 3395 7861
3405 7839 3391 7831 3390 7837
TIME...MOT...LOC 0441Z 230DEG 22KT 3390 7851
HAIL...<.75IN
WIND...60MPH
$$
VAO830
WWUS52 KILM 160450 RRA
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
1150 PM EST Mon Feb 15 2021
NCC019-160500-
/O.CAN.KILM.SV.W.0001.000000T0000Z-210216T0515Z/
Brunswick NC-
1150 PM EST Mon Feb 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BRUNSWICK COUNTY
IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 3387 7850 3389 7854 3392 7858 3395 7861
3405 7839 3391 7831 3390 7837
TIME...MOT...LOC 0448Z 230DEG 22KT 3394 7846
$$
VAOThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 10:15 PM EST | River Flood Warning | ILM | Pender | 21 days |
| Feb 15, 10:43 PM EST | Special Marine Warning | ILM | 32 min | |
| Feb 15, 11:11 PM EST | Special Marine Warning | ILM | 22 min | |
| Feb 15, 11:39 PM EST | Tornado Warning | ILM | Brunswick | 11 min |
| Feb 15, 11:48 PM EST | Tornado Warning | ILM | Brunswick | 13 min |
| Feb 15, 11:55 PM EST | Special Marine Warning | ILM | 50 min | |
| Feb 16, 12:00 AM EST | Tornado Warning | ILM | Brunswick, Columbus | 15 min |
| Feb 16, 12:29 AM EST | Severe Thunderstorm Warning | ILM | Pender | 31 min |
| Feb 16, 12:43 AM EST | Special Marine Warning | ILM | 32 min | |
| Feb 16, 12:57 AM EST | Special Weather Statement | ILM | New Hanover, Pender | 63 min |
| Feb 16, 1:03 AM EST | Areal Flood Advisory | ILM | New Hanover, Pender | 87 min |
| Feb 16, 1:07 AM EST | Special Marine Warning | ILM | 38 min | |
| Feb 15, 8:58 PM EST | Special Weather Statement | ILM | Darlington, Marlboro | 47 min |
| Feb 15, 9:44 PM EST | Special Weather Statement | ILM | Darlington | 31 min |
| Feb 16, 11:39 AM EST | River Flood Warning | ILM | Williamsburg | 21 days |
| Feb 16, 11:41 AM EST | River Flood Warning | ILM | Florence | 21 days |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2021Severe Thunderstorm Warnings in South 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.