Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, NC

July 28, 2012Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 28, 2012, 9:42 PM EDT for Marlboro County, South Carolina. It was in force for 33 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
Jul 28, 2012, 9:42 PM EDT (01:42 UTC)
Expired
Jul 28, 2012, 10:15 PM EDT
In force
33 min
Issued by
NWS Wilmington, NC

County Marlboro County, SC

The radar

The Wilmington radar (KLTX), 146 km from the middle of the area, began a volume at 01:45 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 00:00Z, 1.7 hours before the alert went out and 147 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 00:00Z on 2012-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 846 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2012-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.19395878Sfc1 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
846 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1942 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jul 28, 8:20 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jul 28, 8:20 PM EDT, 1 hour 22 minutes before
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Hazardous weather outlook, Jul 28, 4:06 PM EDT, 5 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON NC
406 PM EDT SAT JUL 28 2012

NCZ087-096-099-105>110-SCZ024-032-033-039-053>056-292015-
ROBESON-BLADEN-COLUMBUS-INLAND PENDER-COASTAL PENDER-
INLAND NEW HANOVER-COASTAL NEW HANOVER-INLAND BRUNSWICK-
COASTAL BRUNSWICK-DILLON-FLORENCE-MARION-WILLIAMSBURG-INLAND HORRY-
COASTAL HORRY-INLAND GEORGETOWN-COASTAL GEORGETOWN-
406 PM EDT SAT JUL 28 2012

...SEVERE THUNDERSTORM WATCH 536 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND
NORTHEAST SOUTH CAROLINA.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

THERE IS A SLIGHT RISK OF SEVERE STORMS THIS AFTERNOON AND
EVENING WITH DAMAGING WIND THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

SCZ017-023-292015-
MARLBORO-DARLINGTON-
406 PM EDT SAT JUL 28 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST SOUTH CAROLINA.

.DAY ONE...TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE STORMS THIS AFTERNOON AND
EVENING WITH DAMAGING WIND THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

AMZ254-256-292015-
LITTLE RIVER INLET TO MURRELLS INLET SC OUT 20 NM-
MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT 20 NM-
406 PM EDT SAT JUL 28 2012

...SEVERE THUNDERSTORM WATCH 536 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

AMZ250-252-292015-
SURF CITY TO CAPE FEAR NC OUT 20 NM-
CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM-
406 PM EDT SAT JUL 28 2012

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL 2 AM EDT SUNDAY...
...SEVERE THUNDERSTORM WATCH 536 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SMALL CRAFT EXERCISE CAUTION.
   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

III

In the hours before

Special weather statement, Jul 28, 5:28 PM EDT, 4 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
528 PM EDT SAT JUL 28 2012

NCZ105-107-282230-
INLAND NEW HANOVER-INLAND PENDER-
528 PM EDT SAT JUL 28 2012

...STRONG THUNDERSTORMS WILL MOVE ACROSS NEW HANOVER AND PENDER
COUNTIES THROUGH 630 PM EDT...

AT 526 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER
CURRIE...AND NORTHERN PENDER COUNTY...MOVING EAST AT 10 MPH.

SOME LOCATIONS IMPACTED INCLUDE BURGAW...ASHTON...CURRIE...LONG
CREEK...MALPASS CORNER...MAPLE HILL...MONTAGUE...MOORETOWN...MURRAY
TOWN...POINT CASWELL...ROCKY POINT AND ROOKS.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS UP TO 45 MPH.

AN EXCESSIVE AMOUNT OF CLOUD TO GROUND LIGHTNING.

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. STRONG WINDS ARE
CAPABLE OF KNOCKING DOWN SMALL TREES AND BLOWING AROUND TRASH
CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

IN ADDITION...THESE THUNDERSTORMS ARE PRODUCING AN EXCESSIVE AMOUNT
OF LIGHTNING. SEEK SHELTER INDOORS AND STAY AWAY FROM THE WINDOWS.
MANY LIGHTNING STRIKES WILL OCCUR WELL AHEAD OF THE HEAVY RAIN AND
GUSTY WINDS. IF YOU CANNOT SEEK SHELTER INDOORS TAKE COVER IN A
VEHICLE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH
CAROLINA.

&&

LAT...LON 3437 7774 3435 7808 3437 7814 3436 7816
      3435 7820 3436 7821 3443 7821 3446 7818
      3449 7822 3454 7822 3472 7786 3472 7769
      3449 7759
TIME...MOT...LOC 2126Z 265DEG 10KT 3446 7810

RALF
Local storm report, Jul 28, 5:36 PM EDT, 4 hours 6 minutes before
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Special weather statement, Jul 28, 6:12 PM EDT, 3 hours 30 minutes before
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Special weather statement, Jul 28, 6:32 PM EDT, 3 hours 10 minutes before
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Special weather statement, Jul 28, 6:43 PM EDT, 2 hours 59 minutes before
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Special weather statement, Jul 28, 9:42 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
Jul 28, 10:42 PM EDTSpecial Weather StatementILMMarlboro33 min
Jul 28, 11:18 PM EDTSpecial Weather StatementILMMarlboro27 min
Jul 29, 12:13 AM EDTSpecial Weather StatementILMDarlington47 min
Jul 29, 12:59 AM EDTSpecial Weather StatementILMDarlington, Florence61 min
Jul 29, 2:32 PM EDTSpecial Weather StatementILMGeorgetown58 min
Jul 29, 3:07 PM EDTSpecial Weather StatementILMMarion53 min
Jul 29, 3:36 PM EDTSpecial Weather StatementILMGeorgetown54 min
Jul 29, 3:48 PM EDTSpecial Weather StatementILMHorry57 min
Jul 29, 4:14 PM EDTAreal Flood AdvisoryILMGeorgetown, Horry, Marion91 min
Jul 29, 4:14 PM EDTSevere Thunderstorm WarningILMHorry61 min
Jul 29, 5:01 PM EDTSpecial Weather StatementILMWilliamsburg59 min
Jul 29, 5:21 PM EDTSevere Thunderstorm WarningILMFlorence54 min
Jul 29, 5:31 PM EDTSpecial Weather StatementILMDillon59 min
Jul 29, 4:19 PM EDTSpecial Weather StatementILMNew Hanover41 min
Jul 29, 4:43 PM EDTAreal Flood AdvisoryILMBrunswick56 min
Jul 29, 4:54 PM EDTSpecial Weather StatementILMNew Hanover66 min
Jul 29, 4:59 PM EDTAreal Flood AdvisoryILMNew Hanover36 min
Jul 29, 5:57 PM EDTSpecial Weather StatementILMBrunswick63 min
Jul 29, 6:27 PM EDTSpecial Weather StatementILMPender63 min
Jul 29, 7:26 PM EDTSpecial Weather StatementILMBladen64 min

Nearby

Special Weather Statements in South Carolina, 2012Every special weather statement in 2012

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.