Alert archive / South Carolina / Special Weather Statements in 2020

Special Weather Statement, NWS Wilmington, NC

August 6, 2020Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at Aug 6, 2020, 2:41 PM EDT for Marlboro County, South Carolina. It was in force for 64 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
Aug 6, 2020, 2:41 PM EDT (18:41 UTC)
Expired
Aug 6, 2020, 3:45 PM EDT
In force
64 min
Issued by
NWS Wilmington, NC

County Marlboro County, SC

The radar

The Wilmington radar (KLTX), 145 km from the middle of the area, began a volume at 18:40 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.7 hours before the alert went out and 157 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, Greensboro/Hi Pt, NC at 12:00Z on 2020-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 864 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, Greensboro/Hi Pt, NC at 12:00Z on 2020-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
864 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

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 Aug 6, 1:31 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Aug 6, 1:31 PM EDT, 1 hour 10 minutes before
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Hazardous weather outlook, Aug 6, 3:10 AM EDT, 11 hours 31 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington NC
310 AM EDT Thu Aug 6 2020

AMZ250-252-254-256-NCZ087-096-099-105-107-109-SCZ017-023-024-032-033-
039-055-058-059-070715-
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-Inland New Hanover-
Inland Brunswick-Marlboro-Darlington-Dillon-Florence-Marion-
Williamsburg-Inland Georgetown-Central Horry-Northern Horry-
310 AM EDT Thu Aug 6 2020

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

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ106-108-110-SCZ054-056-070715-
Coastal Pender-Coastal New Hanover-Coastal Brunswick-Coastal Horry-
Coastal Georgetown-
310 AM EDT Thu Aug 6 2020

...MODERATE RISK OF RIP CURRENTS IN EFFECT THROUGH THIS AFTERNOON...

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

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Moderate Risk of Rip Currents.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There will be an enhanced potential for rip currents at the beaches
Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 6, 11:25 AM EDT, 3 hours 16 minutes before
Special Weather Statement
National Weather Service Wilmington NC
1125 AM EDT Thu Aug 6 2020

SCZ039-061630-
Williamsburg SC-
1125 AM EDT Thu Aug 6 2020

...SPECIAL WEATHER STATEMENT FOR WILLIAMSBURG COUNTY UNTIL 1230 PM
EDT...

At 1123 AM EDT, Doppler radar was tracking strong thunderstorms from
Kingstree to 7 miles north of Trio. Movement was east-northeast at
20 mph.

Winds in excess of 30 mph will be possible with these storms.
Torrential rainfall is also occurring with these storms, and may
lead to localized flooding.

Locations impacted include...
Kingstree, Hemingway, Trio, Warsaw, Salters, Cades, Nesmith,
Indiantown, Gourdin, Morrisville, Henry, Lane, Greeleyville, Stuckey
and Williamsburg Regional Hospital.

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 storms pass. Do not
drive your vehicle through flooded roadways.

&&

LAT...LON 3370 7999 3383 7980 3381 7969 3381 7968
      3380 7961 3378 7950 3378 7947 3377 7937
      3355 7947 3352 7950 3343 7987 3345 7990
      3363 8003
TIME...MOT...LOC 1523Z 260DEG 20KT 3369 7982 3359 7968

RGZ
Special weather statement, Aug 6, 11:53 AM EDT, 2 hours 48 minutes before
Special Weather Statement
National Weather Service Wilmington NC
1153 AM EDT Thu Aug 6 2020

SCZ039-055-056-061700-
Coastal Georgetown SC-Williamsburg SC-Inland Georgetown SC-
1153 AM EDT Thu Aug 6 2020

...SPECIAL WEATHER STATEMENT FOR CENTRAL GEORGETOWN AND SOUTHEASTERN
WILLIAMSBURG COUNTIES UNTIL 100 PM EDT...

At 1152 AM EDT, Doppler radar was tracking a strong thunderstorm over
Warsaw, or 15 miles northwest of Georgetown, moving east at 25 mph.

Winds in excess of 30 mph will be possible with this storm.
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding.

Locations impacted include...
Andrews, Plantersville, Rhems, Warsaw, Yauhannah, Oatland and
Morrisville.

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. Do not
drive your vehicle through flooded roadways.

&&

LAT...LON 3340 7958 3362 7966 3371 7924 3370 7925
      3369 7923 3370 7922 3353 7908 3344 7913
TIME...MOT...LOC 1552Z 260DEG 20KT 3350 7951

RGZ
Special weather statement, Aug 6, 12:29 PM EDT, 2 hours 12 minutes before
Special Weather Statement
National Weather Service Wilmington NC
1229 PM EDT Thu Aug 6 2020

SCZ058-059-061730-
Northern Horry SC-Central Horry SC-
1229 PM EDT Thu Aug 6 2020

...SPECIAL WEATHER STATEMENT FOR WEST CENTRAL HORRY COUNTY UNTIL 130
PM EDT...

At 1229 PM EDT, Doppler radar was tracking a strong thunderstorm near
Pee Dee Crossroads, or near Conway, moving northeast at 25 mph.

Winds in excess of 30 mph will be possible with this storm.
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding.

Locations impacted include...
Conway, Horry, Homewood, Adrian, Pee Dee Crossroads, Bayboro and
Allsbrook.

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. Do not
drive your vehicle through flooded roadways.

&&

LAT...LON 3385 7926 3388 7926 3408 7904 3398 7885
      3377 7918
TIME...MOT...LOC 1629Z 236DEG 21KT 3385 7915

RGZ
Special weather statement, Aug 6, 1:13 PM EDT, 1 hour 28 minutes before
Special Weather Statement
National Weather Service Wilmington NC
113 PM EDT Thu Aug 6 2020

NCZ087-061815-
Robeson NC-
113 PM EDT Thu Aug 6 2020

...SPECIAL WEATHER STATEMENT FOR CENTRAL ROBESON COUNTY UNTIL 215 PM
EDT...

At 113 PM EDT, Doppler radar was tracking a strong thunderstorm near
Fairmont, or 10 miles southwest of Lumberton, moving northeast at 15
mph.

Winds in excess of 30 mph will be possible with this storm.
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding.

Locations impacted include...
Lumberton, Fairmont, Rowland, Purvis, Hestertown, Elrod, Mcdonald,
Raynham and Southeastern Regional Medical Center.

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. Do not
drive your vehicle through flooded roadways.

&&

LAT...LON 3459 7891 3440 7918 3454 7933 3475 7909
      3468 7902
TIME...MOT...LOC 1713Z 222DEG 12KT 3454 7916

RGZ
Special weather statement, Aug 6, 1:21 PM EDT, 1 hour 20 minutes before
Special Weather Statement
National Weather Service Wilmington NC
121 PM EDT Thu Aug 6 2020

SCZ054-058-059-061815-
Northern Horry SC-Coastal Horry SC-Central Horry SC-
121 PM EDT Thu Aug 6 2020

...SPECIAL WEATHER STATEMENT FOR CENTRAL HORRY COUNTY UNTIL 215 PM
EDT...

At 121 PM EDT, Doppler radar was tracking a strong thunderstorm near
Hammond, or 10 miles east of Conway, moving east at 25 mph.

Winds in excess of 30 mph will be possible with this storm.
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding.

Locations impacted include...
Conway, North Myrtle Beach, Cherry Grove Inlet, Little River, North
Myrtle Beach Airport, Red Hill, Hickory Grove, Homewood, Horry
Georgetown Technical College Conway Campus, Adrian, Hand, Nixonville,
Wampee, Longs, Hammond, Coastal Carolina University, Goretown,
Brooksville, Cherry Grove Beach and Barefoot Landing Area Of North
Myrtle Beach.

People attending Conway Medical Center may be affected by this storm
and are urged to follow the precautionary measures of the onsite
officials.

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. Do not
drive your vehicle through flooded roadways.

&&

LAT...LON 3376 7911 3393 7913 3407 7881 3384 7858
      3383 7861
TIME...MOT...LOC 1721Z 260DEG 20KT 3388 7889

RGZ
Special weather statement, Aug 6, 2:41 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
Aug 6, 6:17 AM EDTSpecial Weather StatementILMBrunswick28 min
Aug 6, 1:13 PM EDTSpecial Weather StatementILMRobeson62 min
Aug 6, 2:48 PM EDTSpecial Weather StatementILMPender57 min
Aug 6, 3:07 PM EDTCoastal Flood AdvisoryILMNew Hanover12 hr
Aug 6, 3:19 PM EDTAreal Flood AdvisoryILMNew Hanover, Pender3 hr
Aug 6, 11:18 AM EDTAreal Flood AdvisoryILMHorry57 min
Aug 6, 11:25 AM EDTSpecial Weather StatementILMWilliamsburg65 min
Aug 6, 11:53 AM EDTSpecial Weather StatementILMGeorgetown67 min
Aug 6, 12:16 PM EDTAreal Flood AdvisoryILMGeorgetown, Horry, Marion, Williamsburg59 min
Aug 6, 12:29 PM EDTSpecial Weather StatementILMHorry61 min
Aug 6, 1:21 PM EDTSpecial Weather StatementILMHorry54 min

Nearby

Special Weather Statements in South Carolina, 2020Every special weather statement in 2020

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.