Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 11, NWS Wilmington, NC

May 3, 2021Columbus County, North Carolina; Horry County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 3, 2021, 6:26 PM EDT for Columbus County, North Carolina; Horry County, South Carolina. It was in force for 49 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: May 3, 2021, 6:26 PM EDT (22:26 UTC)
Expired: May 3, 2021, 7:15 PM EDT
In force: 49 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Columbus County, NC, Horry County, SC

The radar

The Wilmington radar (KLTX), 30 km from the middle of the area, began a volume at 22:30 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, 10.4 hours before the alert went out and 176 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1333 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 765 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

As transmitted.

469 
WUUS52 KILM 032226
SVRILM
NCC047-SCC051-032315-
/O.NEW.KILM.SV.W.0011.210503T2226Z-210503T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
626 PM EDT Mon May 3 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southwestern Columbus County in southeastern North Carolina...
  Northern Horry County in northeastern South Carolina...

* Until 715 PM EDT.

* At 624 PM EDT, a severe thunderstorm was located between Mullins 
  and Green Sea, moving east at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Tabor City, Loris, Bethel, Nakina, Old Dock, Mollie, Bughill,
  Sidney, Williams, Pireway, Dulah, Goretown, Allsbrook, Green Sea
  and Loris Community Hospital.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3423 7857 3409 7860 3402 7863 3401 7864
      3400 7864 3396 7865 3405 7916 3418 7915
TIME...MOT...LOC 2224Z 271DEG 32KT 3411 7904 

HAIL...1.25IN
WIND...60MPH
 
$$

SRP

2 follow-up statements

098 
WWUS52 KILM 032244
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
644 PM EDT Mon May 3 2021

NCC047-SCC051-032315-
/O.CON.KILM.SV.W.0011.000000T0000Z-210503T2315Z/
Columbus NC-Horry SC-
644 PM EDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHWESTERN COLUMBUS AND NORTHEASTERN HORRY COUNTIES...

At 643 PM EDT, a severe thunderstorm was located from near Tabor 
City to Loris and Allsbrook, moving east at 35 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect wind damage to trees and power lines.

Locations impacted include...
Tabor City, Loris, Bethel, Nakina, Old Dock, Mollie, Bughill, Sidney,
Williams, Pireway, Dulah, Goretown, Allsbrook and Loris Community
Hospital.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3423 7857 3409 7860 3402 7863 3401 7864
      3400 7864 3396 7865 3402 7897 3419 7896
TIME...MOT...LOC 2243Z 271DEG 32KT 3411 7883 

HAIL...0.75IN
WIND...60MPH
 
$$

SRP

980 
WWUS52 KILM 032309
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
709 PM EDT Mon May 3 2021

NCC047-SCC051-032318-
/O.EXP.KILM.SV.W.0011.000000T0000Z-210503T2315Z/
Columbus NC-Horry SC-
709 PM EDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COLUMBUS AND
NORTHEASTERN HORRY COUNTIES WILL EXPIRE AT 715 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy 
rain, small hail, and gusty winds to 40 mph are still possible with 
this thunderstorm as it moves off toward the east.

LAT...LON 3423 7857 3409 7860 3402 7863 3401 7864
      3400 7864 3396 7865 3402 7897 3419 7896
TIME...MOT...LOC 2308Z 271DEG 32KT 3411 7857 

$$

SRP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 12:53 PM EDT	Special Weather Statement	ILM	Bladen	52 min
May 3, 1:27 PM EDT	Special Weather Statement	ILM	Brunswick	33 min
May 3, 6:59 PM EDT	Special Marine Warning	ILM		31 min
May 3, 7:09 PM EDT	Special Weather Statement	ILM	Brunswick	51 min
May 3, 7:30 PM EDT	Special Marine Warning	ILM		30 min
May 3, 7:32 PM EDT	Special Marine Warning	ILM		28 min
May 3, 7:59 PM EDT	Beach Hazards Statement	ILM	New Hanover, Pender	24 hr
May 3, 4:45 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Florence	60 min
May 3, 5:23 PM EDT	Special Weather Statement	ILM	Dillon	37 min
May 3, 5:25 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Williamsburg	21 min
May 3, 5:42 PM EDT	Special Weather Statement	ILM	Marion	63 min
May 3, 5:44 PM EDT	Special Weather Statement	ILM	Williamsburg	31 min
May 3, 5:50 PM EDT	Severe Thunderstorm Warning	ILM	Horry, Marion	40 min
May 3, 6:13 PM EDT	Severe Thunderstorm Warning	ILM	Georgetown, Horry, Marion, Williamsburg	32 min
May 3, 6:43 PM EDT	Severe Thunderstorm Warning	ILM	Horry	32 min
May 3, 6:55 PM EDT	Special Weather Statement	ILM	Georgetown	65 min
May 3, 7:28 PM EDT	Special Weather Statement	ILM	Georgetown	32 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021 Severe Thunderstorm Warnings in South Carolina, 2021 Every 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.