Alert archive / South Carolina / Special Weather Statements in 2025

Special Weather Statement, NWS Wilmington, NC

May 20, 2025Marion County, South Carolina

NWS Wilmington, NC issued this special weather statement at May 20, 2025, 3:21 PM EDT for Marion County, South Carolina. It was in force for 39 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 20, 2025, 3:21 PM EDT (19:21 UTC)
Expired: May 20, 2025, 4:00 PM EDT
In force: 39 min
Issued by: NWS Wilmington, NC
Hail: 0.50 in
Wind: 40

County Marion County, SC

The radar

The Wilmington radar (KLTX), 89 km from the middle of the area, began a volume at 19:23 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 12:00Z, 7.4 hours before the alert went out and 248 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 20, 1:29 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, May 20, 1:29 PM EDT, 1 hour 52 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, May 20, 2:50 PM EDT, 31 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington NC
250 PM EDT Tue May 20 2025

AMZ250-252-254-256-NCZ087-096-099-105>109-SCZ017-023-024-032-033-039-
055-056-058-059-211900-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-Robeson-Bladen-Columbus-Inland Pender-Coastal Pender-
Inland New Hanover-Coastal New Hanover-Inland Brunswick-Marlboro-
Darlington-Dillon-Florence-Marion-Williamsburg-Inland Georgetown-
Coastal Georgetown-Central Horry-Northern Horry-
250 PM EDT Tue May 20 2025

This Hazardous Weather Outlook is for the adjacent Coastal Waters,
southeast North Carolina and northeast South Carolina.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ110-SCZ054-211900-
Coastal Brunswick-Coastal Horry-
250 PM EDT Tue May 20 2025

This Hazardous Weather Outlook is for southeast North Carolina and
northeast South Carolina.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Moderate rip current risk forecasted for Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

21

In the hours before

Special weather statement, May 20, 2:59 PM EDT, 22 minutes before

Special Weather Statement
National Weather Service Wilmington NC
259 PM EDT Tue May 20 2025

SCZ039-055-201930-
Williamsburg SC-Inland Georgetown SC-
259 PM EDT Tue May 20 2025

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL GEORGETOWN AND EAST
CENTRAL WILLIAMSBURG COUNTIES THROUGH 330 PM EDT...

At 259 PM EDT, Doppler radar was tracking a strong thunderstorm near
Oatland, or 12 miles northwest of Georgetown, moving east at 15 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Andrews, Rhems, Graves, Oatland, and Warsaw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3345 7961 3359 7956 3360 7925 3337 7937
TIME...MOT...LOC 1859Z 276DEG 12KT 3350 7943

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

SCALORA

Special weather statement, May 20, 3:12 PM EDT, 9 minutes before

Special Weather Statement
National Weather Service Wilmington NC
312 PM EDT Tue May 20 2025

SCZ032-039-202000-
Williamsburg SC-Florence SC-
312 PM EDT Tue May 20 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN FLORENCE AND
NORTHWESTERN WILLIAMSBURG COUNTIES THROUGH 400 PM EDT...

At 312 PM EDT, Doppler radar was tracking a strong thunderstorm near
Hebron, or 11 miles west of Lake City, moving east at 15 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Lake City, Kingstree, Hebron, Cades, Scranton, Olanta, and
Williamsburg Regional Hospital.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3372 7998 3377 8000 3381 7994 3382 7991
      3388 7988 3389 7989 3389 7995 3395 7997
      3398 7991 3395 7970 3364 7979 3368 8000
TIME...MOT...LOC 1912Z 278DEG 12KT 3383 7995

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

SCALORA

Special weather statement, May 20, 3:21 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Wilmington NC
321 PM EDT Tue May 20 2025

SCZ032-033-202000-
Marion SC-Florence SC-
321 PM EDT Tue May 20 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN FLORENCE AND WEST
CENTRAL MARION COUNTIES THROUGH 400 PM EDT...

At 321 PM EDT, Doppler radar was tracking a strong thunderstorm near
Pamplico, or 15 miles northeast of Lake City, moving east at 15 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Pamplico, Friendfield, Brittons Neck, Gresham, Hyman, and Hannah.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3402 7969 3412 7933 3400 7931 3400 7933
      3397 7934 3396 7933 3396 7932 3394 7931
      3393 7932 3393 7931 3392 7931 3391 7930
      3390 7930 3387 7965
TIME...MOT...LOC 1921Z 262DEG 13KT 3397 7952

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

SCALORA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 7:55 PM EDT	Beach Hazards Statement	ILM	New Hanover, Pender	24 hr
May 20, 2:59 PM EDT	Special Weather Statement	ILM	Georgetown	31 min
May 20, 3:12 PM EDT	Special Weather Statement	ILM	Williamsburg	48 min
May 20, 3:24 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Williamsburg	28 min
May 20, 3:48 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Horry, Marion	42 min
May 20, 3:51 PM EDT	Special Weather Statement	ILM	Georgetown	39 min
May 20, 4:09 PM EDT	Special Weather Statement	ILM	Florence	51 min
May 20, 4:25 PM EDT	Special Weather Statement	ILM	Horry	50 min

Nearby

Special Weather Statements in South Carolina, 2025 Every special weather statement in 2025

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.