Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 24, NWS Wilmington, NC

June 10, 2021Robeson County, North Carolina; Dillon County, Horry County, Marion County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 10, 2021, 7:37 PM EDT for Robeson County, North Carolina; Dillon County, Horry County, Marion County, South Carolina. It was in force for 23 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
Jun 10, 2021, 7:37 PM EDT (23:37 UTC)
Expired
Jun 10, 2021, 8:00 PM EDT
In force
23 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Robeson County, NC, Dillon County, SC, Horry County, SC, Marion County, SC

The radar

The Wilmington radar (KLTX), 72 km from the middle of the area, began a volume at 23:38 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 nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.6 hours before the alert went out and 175 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 12:00Z on 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 274 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 12:00Z on 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
274 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

050 
WUUS52 KILM 102337
SVRILM
NCC155-SCC033-051-067-110000-
/O.NEW.KILM.SV.W.0024.210610T2337Z-210611T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
737 PM EDT Thu Jun 10 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  South central Robeson County in southeastern North Carolina...
  Southeastern Dillon County in northeastern South Carolina...
  Northwestern Horry County in northeastern South Carolina...
  Northeastern Marion County in northeastern South Carolina...

* Until 800 PM EDT.

* At 737 PM EDT, a severe thunderstorm was located over Zion, or near
  Marion, moving east at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Marion, Mullins, Latta, Lake View, Fork, Zion, Gapway, Floydale,
  Smithboro, Kemper, Nichols, Marietta and Carolinas Hospital System
  - Marion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3434 7903 3431 7904 3431 7907 3430 7907
      3424 7900 3418 7898 3413 7942 3433 7947
      3447 7908
TIME...MOT...LOC 2337Z 255DEG 23KT 3425 7935 

HAIL...1.00IN
WIND...60MPH
 
$$

MCK
1 follow-up statement
522 
WWUS52 KILM 102349
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
749 PM EDT Thu Jun 10 2021

NCC155-SCC033-051-067-110000-
/O.CON.KILM.SV.W.0024.000000T0000Z-210611T0000Z/
Robeson NC-Dillon SC-Horry SC-Marion SC-
749 PM EDT Thu Jun 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTH CENTRAL ROBESON...SOUTHEASTERN DILLON...NORTH CENTRAL HORRY
AND NORTHEASTERN MARION COUNTIES...

At 749 PM EDT, a severe thunderstorm was located over Francis Marion
University, or 9 miles east of Florence, moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Mullins, Lake View, Fork, Floydale, Zion, Smithboro, Kemper, Nichols
and Marietta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3434 7903 3431 7904 3431 7907 3430 7907
      3424 7900 3418 7931 3436 7938 3447 7908
TIME...MOT...LOC 2349Z 255DEG 23KT 3419 7961 

HAIL...1.00IN
WIND...60MPH
 
$$

MCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 3:13 PM EDTSpecial Weather StatementILMNew Hanover32 min
Jun 10, 3:47 PM EDTSpecial Weather StatementILMPender28 min
Jun 10, 4:15 PM EDTSpecial Weather StatementILMPender30 min
Jun 10, 5:34 PM EDTSpecial Weather StatementILMBladen26 min
Jun 10, 6:23 PM EDTSpecial Weather StatementILMPender37 min
Jun 10, 7:58 PM EDTSevere Thunderstorm WarningILMColumbus, Robeson32 min
Jun 9, 8:03 PM EDTBeach Hazards StatementILMGeorgetown, Horry24 hr
Jun 10, 6:17 PM EDTSpecial Weather StatementILMGeorgetown28 min
Jun 10, 6:26 PM EDTSpecial Weather StatementILMDarlington34 min
Jun 10, 7:10 PM EDTSpecial Weather StatementILMDillon35 min
Jun 10, 7:26 PM EDTSpecial Weather StatementILMDillon34 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2021Severe Thunderstorm Warnings in North 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.