Alert archive / South Carolina / Tornado Warnings in 2020
Tornado Warning 5, NWS Wilmington, NC
NWS Wilmington, NC issued this tornado warning at Apr 13, 2020, 8:38 AM EDT for Georgetown County, Horry County, South Carolina. It was in force for 26 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
- Apr 13, 2020, 8:38 AM EDT (12:38 UTC)
- Expired
- Apr 13, 2020, 9:04 AM EDT
- In force
- 26 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Georgetown County, SC, Horry County, SC
The radar
The Wilmington radar (KLTX), 67 km from the middle of the area, began a volume at 12:40 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 |
|---|---|---|---|
| Apr 13, 5:01 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 0.6 hours before the alert went out and 123 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
- 943 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 475 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 14.1
The text
As transmitted.
309
WFUS52 KILM 131238
TORILM
SCC043-051-131315-
/O.NEW.KILM.TO.W.0005.200413T1238Z-200413T1315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
838 AM EDT Mon Apr 13 2020
The National Weather Service in Wilmington has issued a
* Tornado Warning for...
East central Georgetown County in northeastern South Carolina...
Southeastern Horry County in northeastern South Carolina...
* Until 915 AM EDT.
* At 838 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Murrells Inlet, moving northeast at 65 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Surfside Beach, Springmaid Pier and Myrtle Beach Airport around
850 AM EDT.
Myrtle Beach around 855 AM EDT.
North Myrtle Beach, North Myrtle Beach Airport and Barefoot
Landing Area Of North Myrtle Beach around 905 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Briarcliffe Acres, Atlantic Beach, Waccamaw Community Hospital and
Grand Strand Regional Medical Center.
People attending Grand Strand Health outdoor tent facilities should
seek safe shelter immediately!
This includes the following highways...
SC Highway 31 between mile markers 6 and 20.
SC Highway 22 between mile markers 25 and 26.
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 3347 7917 3354 7920 3387 7877 3381 7870
3375 7881 3366 7891 3349 7908 3344 7911
TIME...MOT...LOC 1238Z 233DEG 56KT 3352 7908
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
212 follow-up statements
081
WWUS52 KILM 131251
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
851 AM EDT Mon Apr 13 2020
SCC043-131301-
/O.CAN.KILM.TO.W.0005.000000T0000Z-200413T1315Z/
Georgetown SC-
851 AM EDT Mon Apr 13 2020
...THE TORNADO WARNING FOR EAST CENTRAL GEORGETOWN COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until noon EDT for northeastern
South Carolina.
LAT...LON 3387 7877 3381 7870 3375 7881 3366 7891
3358 7899 3367 7903
TIME...MOT...LOC 1251Z 233DEG 56KT 3364 7888
$$
SCC051-131315-
/O.CON.KILM.TO.W.0005.000000T0000Z-200413T1315Z/
Horry SC-
851 AM EDT Mon Apr 13 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
SOUTHEASTERN HORRY COUNTY...
At 851 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Springmaid Pier, moving northeast at 65 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
North Myrtle Beach, North Myrtle Beach Airport and Barefoot
Landing Area Of North Myrtle Beach around 905 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Briarcliffe Acres, Atlantic Beach and Grand Strand Regional Medical
Center.
People attending Grand Strand Health outdoor tent facilities should
seek safe shelter immediately!
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 3387 7877 3381 7870 3375 7881 3366 7891
3358 7899 3367 7903
TIME...MOT...LOC 1251Z 233DEG 56KT 3364 7888
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
21571
WWUS52 KILM 131304
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
904 AM EDT Mon Apr 13 2020
SCC051-131314-
/O.CAN.KILM.TO.W.0005.000000T0000Z-200413T1315Z/
Horry SC-
904 AM EDT Mon Apr 13 2020
...THE TORNADO WARNING FOR SOUTHEASTERN HORRY COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
A Tornado Watch remains in effect until noon EDT for northeastern
South Carolina.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of northeastern Horry County until 9:45 AM EDT.
LAT...LON 3387 7877 3381 7870 3375 7881 3366 7891
3358 7899 3367 7903
TIME...MOT...LOC 1302Z 233DEG 56KT 3376 7869
$$
21The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 4:26 AM EDT | High Surf Advisory | ILM | Georgetown, Horry | 12 hr |
| Apr 13, 6:32 AM EDT | Severe Thunderstorm Warning | ILM | Darlington, Florence, Marlboro | 28 min |
| Apr 13, 6:58 AM EDT | Severe Thunderstorm Warning | ILM | Darlington, Dillon, Florence, Marlboro | 47 min |
| Apr 13, 7:04 AM EDT | Severe Thunderstorm Warning | ILM | Dillon, Florence, Horry, Marion, Williamsburg | 41 min |
| Apr 13, 7:41 AM EDT | Severe Thunderstorm Warning | ILM | Georgetown, Horry, Marion, Williamsburg | 34 min |
| Apr 13, 7:45 AM EDT | Severe Thunderstorm Warning | ILM | Dillon, Florence, Horry, Marion, Williamsburg | 30 min |
| Apr 13, 7:58 AM EDT | Tornado Warning | ILM | Georgetown, Williamsburg | 32 min |
| Apr 13, 8:15 AM EDT | Severe Thunderstorm Warning | ILM | Florence, Georgetown, Horry, Marion, Williamsburg | 45 min |
| Apr 13, 9:01 AM EDT | Severe Thunderstorm Warning | ILM | Horry | 44 min |
Nearby
Tornado Warnings in South 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.