Alert archive / South Carolina / Tornado Warnings in 2021

Tornado Warning 8, NWS Wilmington, NC

July 8, 2021Georgetown County, Horry County, South Carolina

NWS Wilmington, NC issued this tornado warning at Jul 8, 2021, 5:25 AM EDT for Georgetown County, Horry County, South Carolina. It was in force for 22 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
Jul 8, 2021, 5:25 AM EDT (09:25 UTC)
Expired
Jul 8, 2021, 5:47 AM EDT
In force
22 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), 86 km from the middle of the area, began a volume at 09:28 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
Jul 8, 2:01 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 9.4 hours before the alert went out and 104 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, Charleston AFB, SC at 00:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1185 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, Charleston AFB, SC at 00:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1185 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

619 
WFUS52 KILM 080925
TORILM
SCC043-051-081000-
/O.NEW.KILM.TO.W.0008.210708T0925Z-210708T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
525 AM EDT Thu Jul 8 2021

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Eastern Georgetown County in northeastern South Carolina...
  South central Horry County in northeastern South Carolina...

* Until 600 AM EDT.
    
* At 525 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near DeBordieu Colony, moving north at 50 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

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

* This dangerous storm will be near...
  Litchfield Beach around 535 AM EDT.
  Murrells Inlet, Garden City and Burgess around 545 AM EDT.
  Surfside Beach around 550 AM EDT.
  Socastee around 555 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Waccamaw Community Hospital.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3327 7924 3364 7919 3368 7895 3361 7897
      3354 7902 3349 7908 3340 7914 3326 7918
TIME...MOT...LOC 0925Z 192DEG 43KT 3337 7911 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

III
2 follow-up statements
805 
WWUS52 KILM 080935
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
535 AM EDT Thu Jul 8 2021

SCC043-051-081000-
/O.CON.KILM.TO.W.0008.000000T0000Z-210708T1000Z/
Georgetown SC-Horry SC-
535 AM EDT Thu Jul 8 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR
NORTHEASTERN GEORGETOWN AND SOUTH CENTRAL HORRY COUNTIES...
    
At 534 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Pawleys Island, moving north at 40 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...
  Murrells Inlet around 550 AM EDT.
  Surfside Beach, Garden City, Burgess and Yauhannah around 555 AM 
  EDT.
  Socastee around 605 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Waccamaw Community Hospital.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3344 7920 3364 7919 3368 7895 3361 7897
      3354 7902 3349 7908 3340 7914 3338 7915
TIME...MOT...LOC 0934Z 187DEG 34KT 3343 7913 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

III
509 
WWUS52 KILM 080947
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
547 AM EDT Thu Jul 8 2021

SCC043-051-080957-
/O.CAN.KILM.TO.W.0008.000000T0000Z-210708T1000Z/
Georgetown SC-Horry SC-
547 AM EDT Thu Jul 8 2021

...THE TORNADO WARNING FOR NORTHEASTERN GEORGETOWN AND SOUTH CENTRAL
HORRY COUNTIES 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.

A Tornado Watch remains in effect until 900 AM EDT for northeastern
South Carolina.

LAT...LON 3344 7920 3364 7919 3368 7895 3361 7897
      3354 7902 3349 7908 3340 7914 3338 7915
TIME...MOT...LOC 0946Z 192DEG 43KT 3359 7909 

$$

III

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 3:50 AM EDTAreal Flood AdvisoryILMFlorence, Williamsburg3 hr
Jul 8, 4:31 AM EDTTornado WarningILMGeorgetown, Williamsburg29 min
Jul 8, 6:21 AM EDTTornado WarningILMDillon24 min
Jul 8, 6:27 AM EDTAreal Flood AdvisoryILMDarlington, Dillon, Florence, Georgetown, Horry, Marion and 1 more2 hr
Jul 8, 7:46 AM EDTTornado WarningILMGeorgetown, Horry29 min
Jul 8, 8:27 AM EDTAreal Flood AdvisoryILMHorry2 hr
Jul 8, 10:41 AM EDTRiver Flood WarningILMDarlington, Florence33 hr

Nearby

Tornado Warnings in South Carolina, 2021Every tornado warning in 2021Tornadoes 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.