Alert archive / South Carolina / Tornado Warnings in 2020
Tornado Warning 40, NWS Wilmington, NC
NWS Wilmington, NC issued this tornado warning at Dec 24, 2020, 2:25 PM EST for Horry County, South Carolina; Columbus County, North Carolina. It was in force for 35 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
- Dec 24, 2020, 2:25 PM EST (19:25 UTC)
- Expired
- Dec 24, 2020, 3:00 PM EST
- In force
- 35 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Columbus County, NC, Horry County, SC
The radar
The Wilmington radar (KLTX), 50 km from the middle of the area, began a volume at 19:26 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 24, 2:19 PM EST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 7.4 hours before the alert went out and 151 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
- 108 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
734
WFUS52 KILM 241925
TORILM
NCC047-SCC051-242000-
/O.NEW.KILM.TO.W.0040.201224T1925Z-201224T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
225 PM EST Thu Dec 24 2020
The National Weather Service in Wilmington has issued a
* Tornado Warning for...
Southwestern Columbus County in southeastern North Carolina...
Central Horry County in northeastern South Carolina...
* Until 300 PM EST.
* At 225 PM EST, a severe thunderstorm capable of producing a tornado
was located over Adrian, or 9 miles north of Conway, moving
northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
* This dangerous storm will be near...
Allsbrook around 235 PM EST.
Loris, Green Sea and Goretown around 240 PM EST.
Tabor City around 250 PM EST.
Sidney, Clarendon, Williams and Mollie around 255 PM EST.
Other locations impacted by this tornadic thunderstorm include Cerro
Gordo, Loris Community Hospital, Lighthouse Care Center Of Conway and
Conway Medical Center.
This includes SC Highway 22 between mile markers 2 and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3368 7910 3395 7915 3437 7891 3408 7859
TIME...MOT...LOC 1925Z 214DEG 36KT 3397 7901
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
213 follow-up statements
542
WWUS52 KILM 241935
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
235 PM EST Thu Dec 24 2020
NCC047-SCC051-242000-
/O.CON.KILM.TO.W.0040.000000T0000Z-201224T2000Z/
Columbus NC-Horry SC-
235 PM EST Thu Dec 24 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EST FOR
SOUTHWESTERN COLUMBUS AND CENTRAL HORRY COUNTIES...
At 235 PM EST, a severe thunderstorm capable of producing a tornado
was located over Homewood, or near Conway, moving north at 40 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This dangerous storm will be near...
Adrian around 240 PM EST.
Bayboro around 245 PM EST.
Allsbrook around 250 PM EST.
Loris around 255 PM EST.
Green Sea around 300 PM EST.
Tabor City around 305 PM EST.
Cherry Grove and Sidney around 310 PM EST.
Clarendon and Williams around 315 PM EST.
Other locations impacted by this tornadic thunderstorm include Cerro
Gordo and Loris Community Hospital.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3381 7910 3395 7915 3437 7891 3408 7859
3384 7891
TIME...MOT...LOC 1935Z 201DEG 33KT 3391 7904
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
21301
WWUS52 KILM 241945
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
245 PM EST Thu Dec 24 2020
NCC047-SCC051-242000-
/O.CON.KILM.TO.W.0040.000000T0000Z-201224T2000Z/
Columbus NC-Horry SC-
245 PM EST Thu Dec 24 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EST FOR
SOUTHWESTERN COLUMBUS AND NORTH CENTRAL HORRY COUNTIES...
At 245 PM EST, a severe thunderstorm capable of producing a tornado
was located over Bayboro, or 13 miles north of Conway, moving
northeast at 40 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This dangerous storm will be near...
Loris and Green Sea around 255 PM EST.
Tabor City, Clarendon, Cherry Grove and Mollie around 305 PM EST.
Sidney and Williams around 310 PM EST.
Other locations impacted by this tornadic thunderstorm include Cerro
Gordo and Loris Community Hospital.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3397 7909 3437 7891 3415 7867 3393 7896
TIME...MOT...LOC 1945Z 211DEG 37KT 3402 7899
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
21174
WWUS52 KILM 241957
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
257 PM EST Thu Dec 24 2020
NCC047-SCC051-242006-
/O.EXP.KILM.TO.W.0040.000000T0000Z-201224T2000Z/
Columbus NC-Horry SC-
257 PM EST Thu Dec 24 2020
...THE TORNADO WARNING FOR SOUTHWESTERN COLUMBUS AND NORTH CENTRAL
HORRY COUNTIES WILL EXPIRE AT 300 PM EST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1000 PM EST for southeastern
North Carolina...and northeastern South Carolina.
Remember, a Tornado Warning still remains in effect for North
Central Horry and Southern Columbus County until 330 PM EST.
LAT...LON 3397 7909 3437 7891 3415 7867 3393 7896
TIME...MOT...LOC 1956Z 214DEG 36KT 3411 7892
$$
21The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 2:55 PM EST | Tornado Warning | ILM | Horry | 35 min |
| Dec 24, 3:03 PM EST | Special Weather Statement | ILM | Georgetown, Horry | 27 min |
| Dec 24, 3:16 PM EST | Tornado Warning | ILM | Horry | 29 min |
| Dec 24, 3:33 PM EST | Special Weather Statement | ILM | Horry | 27 min |
| Dec 24, 8:06 AM EST | Wind Advisory | ILM | Brunswick, New Hanover, Pender | 19 hr |
| Dec 24, 11:48 AM EST | Special Weather Statement | ILM | Bladen, Robeson | 57 min |
| Dec 24, 12:03 PM EST | Tornado Warning | ILM | Bladen, Columbus, Robeson | 27 min |
| Dec 24, 12:12 PM EST | Tornado Warning | ILM | Bladen, Columbus | 33 min |
| Dec 24, 12:57 PM EST | Special Weather Statement | ILM | Bladen, Columbus, Robeson | 63 min |
| Dec 24, 1:16 PM EST | Tornado Warning | ILM | Bladen, Columbus | 29 min |
| Dec 24, 2:01 PM EST | Special Marine Warning | ILM | 37 min | |
| Dec 24, 2:36 PM EST | Tornado Warning | ILM | Bladen | 24 min |
| Dec 24, 3:23 PM EST | Tornado Warning | ILM | Bladen, Columbus | 37 min |
| Dec 24, 3:46 PM EST | Special Marine Warning | ILM | 29 min | |
| Dec 24, 4:01 PM EST | Special Weather Statement | ILM | Columbus | 44 min |
| Dec 24, 4:47 PM EST | Special Weather Statement | ILM | Bladen | 58 min |
| Dec 24, 4:59 PM EST | Special Marine Warning | ILM | 61 min | |
| Dec 24, 5:46 PM EST | Special Weather Statement | ILM | Brunswick | 29 min |
| Dec 24, 5:57 PM EST | Special Marine Warning | ILM | 63 min | |
| Dec 24, 6:15 PM EST | Special Weather Statement | ILM | New Hanover, Pender | 45 min |
Nearby
Tornado Warnings in South Carolina, 2020Tornado Warnings in North Carolina, 2020Every tornado warning in 2020Tornadoes in 2020
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.