Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS Wilmington, NC

May 4, 2021Dillon County, South Carolina; Robeson County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 4, 2021, 6:30 PM EDT for Dillon County, South Carolina; Robeson County, North Carolina. It was in force for 30 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 4, 2021, 6:30 PM EDT (22:30 UTC)
Expired: May 4, 2021, 7:00 PM EDT
In force: 30 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Robeson County, NC, Dillon County, SC

The radar

The Wilmington radar (KLTX), 114 km from the middle of the area, began a volume at 22:31 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
May 4, 4:56 PM EDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.5 hours before the alert went out and 159 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: 463 J/kg
Mixed-layer CIN: -235 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

164 
WUUS52 KILM 042230
SVRILM
NCC155-SCC033-042300-
/O.NEW.KILM.SV.W.0016.210504T2230Z-210504T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
630 PM EDT Tue May 4 2021

The National Weather Service in Wilmington has issued a

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

* Until 700 PM EDT.

* At 630 PM EDT, severe thunderstorms were located along a line
  extending from near Aberdeen to near South Of The Border, moving
  northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Red Springs, Pembroke, Maxton, Rex, Raemon, Shannon, Buie, Wakulla,
  Purvis, Prospect, Minturn, Elrod, Parkton, Rennert and Lumber
  Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3495 7902 3476 7900 3466 7907 3447 7948
      3459 7947 3462 7945 3463 7946 3477 7933
      3482 7936 3484 7935 3483 7919 3495 7903
TIME...MOT...LOC 2230Z 242DEG 34KT 3512 7933 3453 7935 

HAIL...<.75IN
WIND...60MPH
 
$$

VAO

2 follow-up statements

024 
WWUS52 KILM 042245
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
645 PM EDT Tue May 4 2021

SCC033-042255-
/O.CAN.KILM.SV.W.0016.000000T0000Z-210504T2300Z/
Dillon SC-
645 PM EDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DILLON COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southeastern North Carolina.

LAT...LON 3495 7902 3476 7900 3466 7907 3453 7934
      3468 7936 3477 7933 3482 7936 3484 7935
      3483 7919 3495 7903
TIME...MOT...LOC 2245Z 242DEG 34KT 3518 7919 3459 7921 

$$

NCC155-042300-
/O.CON.KILM.SV.W.0016.000000T0000Z-210504T2300Z/
Robeson NC-
645 PM EDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHWESTERN ROBESON COUNTY...

At 645 PM EDT, severe thunderstorms were located along a line
extending from 10 miles west of Pope AFB to near Elrod, moving
northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Red Springs, Pembroke, Maxton, Rex, Raemon, Shannon, Buie, Wakulla,
Purvis, Prospect, Elrod, Parkton, Rennert and Lumber Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3495 7902 3476 7900 3466 7907 3453 7934
      3468 7936 3477 7933 3482 7936 3484 7935
      3483 7919 3495 7903
TIME...MOT...LOC 2245Z 242DEG 34KT 3518 7919 3459 7921 

HAIL...<.75IN
WIND...60MPH
 
$$

VAO

978 
WWUS52 KILM 042255
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
655 PM EDT Tue May 4 2021

NCC155-042305-
/O.EXP.KILM.SV.W.0016.000000T0000Z-210504T2300Z/
Robeson NC-
655 PM EDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ROBESON COUNTY
WILL EXPIRE AT 700 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southeastern North Carolina.

LAT...LON 3495 7902 3476 7900 3466 7907 3453 7934
      3468 7936 3477 7933 3482 7936 3484 7935
      3483 7919 3495 7903
TIME...MOT...LOC 2255Z 242DEG 34KT 3523 7909 3464 7911 

$$

VAO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 8:47 PM EDT	Severe Thunderstorm Warning	ILM	Georgetown	43 min
May 4, 4:50 PM EDT	Special Weather Statement	ILM	Georgetown	40 min
May 4, 5:08 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Marlboro	52 min
May 4, 5:57 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Dillon, Marlboro	33 min
May 4, 6:26 PM EDT	Special Weather Statement	ILM	Dillon, Florence	49 min
May 4, 7:04 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Williamsburg	41 min
May 4, 7:42 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Georgetown, Marion, Williamsburg	33 min
May 3, 9:04 PM EDT	Special Marine Warning	ILM		26 min
May 3, 9:31 PM EDT	Special Marine Warning	ILM		44 min
May 3, 10:14 PM EDT	Special Marine Warning	ILM		61 min
May 4, 6:12 AM EDT	Small Craft Advisory	ILM		38 hr
May 4, 6:55 PM EDT	Special Weather Statement	ILM	Bladen, Robeson	35 min

Nearby

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