Alert archive / South Carolina / Tornado Warnings in 2019

Tornado Warning 39, NWS Wilmington, NC

September 5, 2019Horry County, South Carolina

NWS Wilmington, NC issued this tornado warning at Sep 5, 2019, 8:12 AM EDT for Horry County, South Carolina. It was in force for 33 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
Sep 5, 2019, 8:12 AM EDT (12:12 UTC)
Expired
Sep 5, 2019, 8:45 AM EDT
In force
33 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Horry County, SC

The radar

The Wilmington radar (KLTX), 41 km from the middle of the area, began a volume at 12:10 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.

IssuedProductOfficeLasted
Sep 5, 4:20 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 0.2 hours before the alert went out and 208 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.

Skew-T log-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2019-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2019-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
813 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
908 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

621 
WFUS52 KILM 051212
TORILM
SCC051-051300-
/O.NEW.KILM.TO.W.0039.190905T1212Z-190905T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
812 AM EDT Thu Sep 5 2019

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Horry County in northeastern South Carolina...

* Until 900 AM EDT.
    
* At 812 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Wampee, or over North Myrtle Beach Airport, moving
  west at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This dangerous storm will be near...
  Nixonville and Hammond around 825 AM EDT.
  Hickory Grove, Horry Georgetown Technical College Conway Campus 
  and Coastal Carolina University around 835 AM EDT.
  Conway, Homewood and Adrian around 840 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Briarcliffe Acres, Atlantic Beach, Sea Coast Medical Center,
Lighthouse Care Center Of Conway and Conway Medical Center.

This includes the following highways...
 SC Highway 31 between mile markers 13 and 24.
 SC Highway 22 between mile markers 6 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 3400 7906 3387 7861 3384 7861 3380 7871
      3377 7877 3377 7913
TIME...MOT...LOC 1212Z 100DEG 35KT 3384 7875 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TRA
3 follow-up statements
080 
WWUS52 KILM 051220
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
820 AM EDT Thu Sep 5 2019

SCC051-051300-
/O.CON.KILM.TO.W.0039.000000T0000Z-190905T1300Z/
Horry SC-
820 AM EDT Thu Sep 5 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR CENTRAL
HORRY COUNTY...
    
At 819 AM EDT, a severe thunderstorm capable of producing a tornado 
was located over Hand, or 5 miles west of the North Myrtle Beach 
Airport, moving west at 40 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This dangerous storm will be near...
  Nixonville around 825 AM EDT.
  Hickory Grove and Horry Georgetown Technical College Conway Campus 
  around 835 AM EDT.
  Homewood, Adrian and Coastal Carolina University around 840 AM 
  EDT.
  Conway around 845 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Briarcliffe Acres, Conway Medical Center and Lighthouse Care Center
Of Conway.

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 3400 7906 3390 7876 3383 7872 3379 7874
      3377 7880 3377 7913
TIME...MOT...LOC 1219Z 099DEG 34KT 3384 7880 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TRA
809 
WWUS52 KILM 051232
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
832 AM EDT Thu Sep 5 2019

SCC051-051300-
/O.CON.KILM.TO.W.0039.000000T0000Z-190905T1300Z/
Horry SC-
832 AM EDT Thu Sep 5 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR CENTRAL
HORRY COUNTY...
    
At 832 AM EDT, a severe thunderstorm capable of producing a tornado 
was located over Hickory Grove, or just east of Conway, moving west 
at 50 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This dangerous storm will be near...
  Coastal Carolina University around 835 AM EDT.
  Conway and Homewood around 840 AM EDT.

Other locations impacted by this tornadic thunderstorm include Conway
Medical Center and Lighthouse Care Center Of Conway.

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 3396 7907 3389 7888 3385 7887 3381 7888
      3378 7894 3379 7912
TIME...MOT...LOC 1232Z 098DEG 44KT 3386 7895 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TRA
077 
WWUS52 KILM 051245
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
845 AM EDT Thu Sep 5 2019

SCC051-051255-
/O.CAN.KILM.TO.W.0039.000000T0000Z-190905T1300Z/
Horry SC-
845 AM EDT Thu Sep 5 2019

...THE TORNADO WARNING FOR CENTRAL HORRY COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 400 PM EDT for northeastern
South Carolina.

LAT...LON 3396 7907 3389 7888 3385 7887 3381 7888
      3378 7894 3379 7912
TIME...MOT...LOC 1237Z 100DEG 35KT 3388 7910 

$$

TRA

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 2:54 AM EDTSpecial Weather StatementILMWilliamsburg66 min
Sep 5, 4:01 AM EDTTornado Warning Tornado observedILMHorry29 min
Sep 5, 4:10 AM EDTTornado WarningILMHorry35 min
Sep 5, 4:23 AM EDTTornado WarningILMHorry37 min
Sep 5, 4:55 AM EDTTornado WarningILMHorry20 min
Sep 5, 5:06 AM EDTTornado WarningILMHorry24 min
Sep 5, 5:18 AM EDTTornado WarningILMHorry27 min
Sep 5, 5:24 AM EDTTornado WarningILMHorry24 min
Sep 5, 5:58 AM EDTTornado WarningILMFlorence, Georgetown, Horry, Marion, Williamsburg28 min
Sep 5, 6:03 AM EDTFlash Flood WarningILMHorry4 hr
Sep 5, 6:47 AM EDTTornado WarningILMHorry12 min
Sep 5, 6:51 AM EDTTornado WarningILMHorry39 min
Sep 5, 7:25 AM EDTTornado WarningILMDillon, Horry, Marion50 min
Sep 5, 7:49 AM EDTTornado WarningILMHorry26 min
Sep 5, 8:21 AM EDTFlash Flood WarningILMGeorgetown, Horry114 min
Sep 5, 9:19 AM EDTTornado WarningILMHorry26 min
Sep 5, 9:27 AM EDTFlash Flood WarningILMGeorgetown, Horry, Marion, Williamsburg2 hr
Sep 5, 9:37 AM EDTRiver Flood WarningILMDillon, Horry, Marion21 days
Sep 5, 9:37 AM EDTRiver Flood WarningILMDarlington, Florence5 days
Sep 5, 9:58 AM EDTTornado WarningILMHorry32 min
Sep 5, 10:06 AM EDTFlash Flood WarningILMHorry114 min
Sep 5, 2:28 PM EDTFlash Flood WarningILMGeorgetown2 hr
Sep 5, 3:29 PM EDTFlash Flood WarningILMGeorgetown, Horry9 hr
Sep 5, 7:57 PM EDTBeach Hazards StatementILMGeorgetown, Horry9 hr
Sep 5, 7:57 PM EDTRip Current StatementILMGeorgetown, Horry21 hr

Nearby

Tornado Warnings in South Carolina, 2019Every tornado warning in 2019Tornadoes in 2019

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.