Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, NC

July 23, 2012Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 23, 2012, 7:31 PM EDT for Marlboro County, South Carolina. It was in force for 59 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 23, 2012, 7:31 PM EDT (23:31 UTC)
Expired
Jul 23, 2012, 8:30 PM EDT
In force
59 min
Issued by
NWS Wilmington, NC

County Marlboro County, SC

The radar

The Wilmington radar (KLTX), 129 km from the middle of the area, began a volume at 23:34 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, 11.5 hours before the alert went out and 158 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 2012-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2136 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 2012-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939Sfc1 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
2136 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 23, 6:52 PM EDT, 39 minutes earlier.

Area forecast discussion, Jul 23, 6:52 PM EDT, 39 minutes before
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Hazardous weather outlook, Jul 23, 5:29 PM EDT, 2 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON NC
529 PM EDT MON JUL 23 2012

NCZ087-096-099-105-107-109-SCZ017-023-024-032-033-039-053>056-242130-
ROBESON-BLADEN-COLUMBUS-INLAND PENDER-INLAND NEW HANOVER-
INLAND BRUNSWICK-MARLBORO-DARLINGTON-DILLON-FLORENCE-MARION-
WILLIAMSBURG-INLAND HORRY-COASTAL HORRY-INLAND GEORGETOWN-
COASTAL GEORGETOWN-
529 PM EDT MON JUL 23 2012

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 7 PM EDT TUESDAY...

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

.DAY ONE...TONIGHT.

THUNDERSTORMS MAY PRODUCE A BRIEF PERIOD OF STRONG TO DAMAGING
WINDS. HAIL IS ALSO POSSIBLE IN THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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

   HEAT ADVISORY.

AFTERNOON AND EARLY EVENING HEAT INDEX VALUES WILL RANGE BETWEEN
100 TO 110 DEGREES FOR MUCH OF THE UPCOMING WEEK. HEAT ADVISORIES
OR EXCESSIVE HEAT WARNINGS MAY BE REQUIRED.

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ106-108-110-242130-
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-
529 PM EDT MON JUL 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA.

.DAY ONE...TONIGHT.

THUNDERSTORMS MAY PRODUCE A BRIEF PERIOD OF STRONG TO DAMAGING
WINDS. HAIL IS ALSO POSSIBLE IN THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

AFTERNOON AND EARLY EVENING HEAT INDEX VALUES WILL RANGE BETWEEN
100 TO 110 DEGREES FOR MUCH OF THE UPCOMING WEEK. HEAT ADVISORIES
OR EXCESSIVE HEAT WARNINGS MAY BE REQUIRED.

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

AMZ250-252-242130-
SURF CITY TO CAPE FEAR NC OUT 20 NM-
CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM-
529 PM EDT MON JUL 23 2012

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH TUESDAY MORNING...

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 SHOULD EXERCISE CAUTION.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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

   SMALL CRAFT SHOULD EXERCISE CAUTION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

AMZ254-256-242130-
LITTLE RIVER INLET TO MURRELLS INLET SC OUT 20 NM-
MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT 20 NM-
529 PM EDT MON JUL 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

RJD

In the hours before

Special weather statement, Jul 23, 5:04 PM EDT, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
504 PM EDT MON JUL 23 2012

NCZ096-099-105>109-232200-
BLADEN-COASTAL NEW HANOVER-COASTAL PENDER-COLUMBUS-INLAND
BRUNSWICK-INLAND NEW HANOVER-INLAND PENDER-
504 PM EDT MON JUL 23 2012

...STRONG THUNDERSTORMS WILL DEVELOP AND MOVE ACROSS BRUNSWICK...NEW
HANOVER...PENDER...BLADEN AND COLUMBUS COUNTIES THROUGH 600 PM EDT...

AT 503 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS
DEVELOPING FROM NEAR WHITEVILLE...TO WILMINGTON...MOVING EAST AT 10
MPH.

MORE THUNDERSTORMS WILL DEVELOP IN THIS AREA DURING THE NEXT HOUR.

SOME LOCATIONS IMPACTED INCLUDE BURGAW...LELAND...WHITEVILLE...
WILMINGTON...ABBOTTSBURG...ASHTON...BATARORA...BAYSHORE...BISHOP...
BLADENBORO...CARVERS AND CASTLE HAYNE.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING.

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.

&&

LAT...LON 3439 7758 3426 7774 3412 7784 3415 7888
      3450 7885 3451 7885 3457 7885 3456 7761
      3448 7757 3447 7754 3445 7752
TIME...MOT...LOC 2103Z 278DEG 11KT 3432 7829

WEISS
Special weather statement, Jul 23, 5:42 PM EDT, 1 hour 49 minutes before
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Local storm report, Jul 23, 6:08 PM EDT, 1 hour 23 minutes before
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Special weather statement, Jul 23, 6:11 PM EDT, 1 hour 20 minutes before
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Local storm report, Jul 23, 6:39 PM EDT, 52 minutes before
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Special weather statement, Jul 23, 7:31 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 23, 2:46 PM EDTSpecial Weather StatementILMDillon59 min
Jul 23, 2:54 PM EDTSpecial Weather StatementILMDarlington, Marlboro66 min
Jul 23, 3:19 PM EDTHeat AdvisoryILMDarlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more28 hr
Jul 23, 3:44 PM EDTSpecial Weather StatementILMFlorence, Marion61 min
Jul 23, 4:07 PM EDTSpecial Weather StatementILMDillon53 min
Jul 23, 4:42 PM EDTSpecial Weather StatementILMFlorence, Marion63 min
Jul 23, 5:42 PM EDTSpecial Weather StatementILMHorry63 min
Jul 23, 5:04 PM EDTSpecial Weather StatementILMColumbus, New Hanover, Pender56 min
Jul 23, 5:29 PM EDTSevere Thunderstorm WarningILMBladen, Brunswick, Columbus, Pender29 min
Jul 23, 6:11 PM EDTSpecial Weather StatementILMBladen, Columbus, New Hanover, Pender64 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.