Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, NC

May 29, 2021Marion County, South Carolina

NWS Wilmington, NC issued this special weather statement at May 29, 2021, 10:22 PM EDT for Marion County, South Carolina. It was in force for 53 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 29, 2021, 10:22 PM EDT (02:22 UTC)
Expired
May 29, 2021, 11:15 PM EDT
In force
53 min
Issued by
NWS Wilmington, NC

County Marion County, SC

The radar

The Wilmington radar (KLTX), 74 km from the middle of the area, began a volume at 02:26 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

Newport, NC (KMHX), launched 00:00Z, 2.4 hours before the alert went out and 216 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 00:00Z on 2021-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 957 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 00:00Z on 2021-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
957 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this special weather statement went out at May 29, 8:42 PM EDT, 1 hour 40 minutes earlier.

Area forecast discussion, May 29, 8:42 PM EDT, 1 hour 40 minutes before
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Hazardous weather outlook, May 29, 8:40 PM EDT, 1 hour 42 minutes before
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In the hours before

Special weather statement, May 29, 7:40 PM EDT, 2 hours 42 minutes before
Special Weather Statement
National Weather Service Wilmington NC
740 PM EDT Sat May 29 2021

NCZ087-096-099-300015-
Robeson NC-Columbus NC-Bladen NC-
740 PM EDT Sat May 29 2021

...SPECIAL WEATHER STATEMENT FOR EAST CENTRAL ROBESON...SOUTHWESTERN
BLADEN AND NORTH CENTRAL COLUMBUS COUNTIES UNTIL 815 PM EDT...

At 740 PM EDT, Doppler radar was tracking a strong thunderstorm near
Butters, or 11 miles southeast of Lumberton, moving east at 20 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Bladenboro, Boardman, Bladen Community College, Abbottsburg, Butters,
Elkton, Emerson, Evergreen, Clarkton and Dublin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3440 7891 3453 7901 3470 7868 3445 7856
TIME...MOT...LOC 2340Z 249DEG 18KT 3450 7888

21
Special weather statement, May 29, 8:23 PM EDT, 1 hour 59 minutes before
Special Weather Statement
National Weather Service Wilmington NC
823 PM EDT Sat May 29 2021

NCZ096-099-300115-
Columbus NC-Bladen NC-
823 PM EDT Sat May 29 2021

...SPECIAL WEATHER STATEMENT FOR SOUTHWESTERN BLADEN AND NORTH
CENTRAL COLUMBUS COUNTIES UNTIL 915 PM EDT...

At 823 PM EDT, Doppler radar was tracking a strong thunderstorm near
Whiteville, moving east at 20 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Whiteville, Chadbourn, Abbottsburg, Lisbon, Lagoon, Elkton, Emerson,
Council, Southeastern Community College, Clarkton, White Lake and
Columbus Regional Healthcare System.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3432 7884 3455 7872 3468 7837 3433 7845
TIME...MOT...LOC 0023Z 254DEG 18KT 3442 7870

21
Special weather statement, May 29, 8:24 PM EDT, 1 hour 58 minutes before
Special Weather Statement
National Weather Service Wilmington NC
824 PM EDT Sat May 29 2021

NCZ096-300115-
Bladen NC-
824 PM EDT Sat May 29 2021

...SPECIAL WEATHER STATEMENT FOR NORTH CENTRAL BLADEN COUNTY UNTIL
915 PM EDT...

At 824 PM EDT, Doppler radar was tracking a strong thunderstorm near
White Oak, or 9 miles north of Elizabethtown, moving east at 20 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Ruskin, Ammon and White Oak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3484 7849 3483 7847 3481 7846 3481 7845
      3477 7843 3475 7839 3473 7839 3472 7838
      3470 7837 3469 7836 3465 7868 3483 7872
      3485 7866 3485 7852 3486 7850
TIME...MOT...LOC 0024Z 254DEG 18KT 3476 7864

21
Special weather statement, May 29, 9:14 PM EDT, 1 hour 8 minutes before
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Local storm report, May 29, 9:49 PM EDT, 33 minutes before
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Special weather statement, May 29, 10:22 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 8:23 PM EDTSpecial Weather StatementILMBladen52 min
May 29, 8:24 PM EDTSpecial Weather StatementILMBladen51 min
May 29, 8:29 PM EDTSevere Thunderstorm WarningILMBladen31 min
May 29, 9:14 PM EDTSpecial Weather StatementILMBladen61 min
May 30, 12:09 AM EDTSpecial Marine WarningILM36 min
May 30, 3:34 PM EDTCoastal Flood AdvisoryILMNew Hanover11 hr

Nearby

Special Weather Statements in South Carolina, 2021Every special weather statement 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.