Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 134, NWS Wilmington, NC

July 29, 2012Florence County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jul 29, 2012, 5:21 PM EDT for Florence County, South Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 29, 2012, 5:21 PM EDT (21:21 UTC)
Expired
Jul 29, 2012, 6:15 PM EDT
In force
54 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

County Florence County, SC

The radar

The Wilmington radar (KLTX), 117 km from the middle of the area, began a volume at 21:24 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

Charleston AFB, SC (KCHS), launched 12:00Z, 9.4 hours before the alert went out and 128 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, Charleston AFB, SC at 12:00Z on 2012-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2597 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, Charleston AFB, SC at 12:00Z on 2012-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
2597 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 29, 3:32 PM EDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jul 29, 3:32 PM EDT, 1 hour 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON NC
332 PM EDT SUN JUL 29 2012

.SYNOPSIS...
SEVERAL UPPER LEVEL DISTURBANCES WILL SWEEP ACROSS THE CAROLINAS
EARLY THIS WEEK...ACCOMPANIED BY WAVES OF SHOWERS AND THUNDERSTORMS.
THE LATTER HALF OF THE WEEK SHOULD BE DRIER AND WARMER AS SOUTHWEST
WINDS WILL CONTINUE TO KEEP A HUMID TROPICAL AIRMASS OVERHEAD.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 2 PM SUNDAY...DEEP CONVECTION STARTING TO DEVELOP ACROSS
MUCH OF SC AND GA HAS SO FAR HAD TROUBLE SPREADING INTO THE ILM
FORECAST AREA. IT APPEARS THE SUBSIDENCE/BLOW OFF FROM VIGOROUS
CONVECTION OVER THE GULF STREAM IS SUPPRESSING MOST OF THE ACTIVITY
DESPITE CAPE VALUES OVER 3000 J/KG AND STEEP LOW LEVEL LAPSE
RATES. BESIDES THE SUBSIDENCE ALOFT...HEIGHTS HAVE RISEN SLIGHTLY
FROM YESTERDAY...DECREASING MID LEVEL LAPSE RATES. IN ADDITION
MID LEVELS HAVE BECOME A LITTLE DRIER. STILL EXPECT TO SEE
SCATTERED CONVECTION ACROSS THE FORECAST AREA DURING THE LATE
AFTERNOON AND EARLY EVENING HOURS WITH BEST COVERAGE ACROSS SC.
ANOTHER SHORTWAVE TROUGH...CURRENTLY ENTERING WESTERN KY/TN...WILL
PASS SOUTH OF THE REGION LATER TONIGHT. AS THIS SHORTWAVE
MOVES SOUTHEAST IT WILL HELP PUSH THE 5H TROUGH AXIS
EAST...MOVING THE GULF STREAM CONVECTION FARTHER AWAY FROM THE
AREA WHILE ENHANCING UPWARD MOTION. THIS SHOULD LEAD TO AN
INCREASE IN COVERAGE...ESPECIALLY ACROSS SC...INTO THE EVENING.
WHILE NOT EXPECTING WIDESPREAD SEVERE STORMS CANNOT RULE OUT A FEW
STORMS PRODUCING DAMAGING WINDS GIVEN DOWNDRAFT CAPE VALUES AROUND
1000 J/KG.

SHORTWAVE TROUGH ROUNDS THE BASE OF THE LONGWAVE 5H TROUGH
OVERNIGHT THEN MOVES UP THE EAST COAST. SOME ISOLATED CONVECTION
MAY CONTINUE INTO THE OVERNIGHT PERIOD AS THE SHORTWAVE MOVES
NORTHEAST...BUT WOULD BE ENDING AROUND 06Z OR AS SUBSIDENCE BEHIND
THE EXITING WAVE BRIEFLY TAKES OVER. ISOLATED SHOWERS MAY RETURN
LATE IN THE PERIOD AS ANOTHER SHORTWAVE MOVES INTO THE BASE OF
THE 5H TROUGH. AT THE VERY LEAST THIS WAVE WOULD LEAD TO AN
INCREASE IN CLOUD COVER AND A SLIGHT BUMP IN SURFACE WINDS...WITH
BOTH HELPING KEEP LOWS IN THE LOW TO MID 70S.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...
AS OF 300 PM SUNDAY...A SURFACE TROUGH ACROSS THE INLAND CAROLINAS
MONDAY WILL WEAKEN AND LIFT TO THE NORTH TUESDAY...WHILE BERMUDA
HIGH PRESSURE CONTINUES TO DIRECT A TROPICAL AIRMASS INTO THE
CAROLINAS. IN THE UPPER LEVELS THE EASTERN U.S. TROUGH WILL
REMAIN IN PLACE AS SEVERAL SHORTWAVE DISTURBANCES DIVE SOUTHEAST
THROUGH THE OHIO VALLEY AND INTO THE CAROLINAS.

THE FIRST SHORTWAVE TROUGH WILL MOVE FROM THE SAVANNAH RIVER
VALLEY MONDAY MORNING ACROSS THE CAROLINA COASTAL PLAINS MONDAY
AFTERNOON...BRINGING RATHER WIDESPREAD SHOWER AND THUNDERSTORM
ACTIVITY. ALTHOUGH SEVERE WEATHER POTENTIAL WILL BE LIMITED TO AN
ISOLATED WET MICROBURST OR TWO...THE BIGGER THREAT MAY BE HEAVY
RAINFALL WITH PRECIP WATER VALUES INCREASING TO 2.0+ INCHES ALONG
THE COAST WITH SLOW (10 MPH) STORM MOTIONS ANTICIPATED. SREF
ENSEMBLES SHOW RATHER IMPRESSIVE +RA POTENTIAL WITH 0.25 INCH/6HR
POPS AT 70 PERCENT FOR COASTAL SC MONDAY...A VERY HIGH NUMBER FROM
THIS MODEL. WEST OF I-95 THE AIRMASS WILL BE DRIER AND THE UPPER
TROUGH MAY PASS TOO EARLY IN THE DAY RELATIVE TO THE BEST
CONVECTIVE POTENTIAL. OUR POPS RANGE FROM 30 PERCENT WEST OF I-95
TO 60 PERCENT ALONG THE COAST.

MONDAY NIGHT WE'LL BE IN BETWEEN UPPER TROUGHS WITH A RELATIVE
LULL IN CONVECTIVE POTENTIAL EXPECTED. A SECOND RATHER IMPRESSIVE
UPPER DISTURBANCE WILL ARRIVE FROM THE WEST ON TUESDAY...LIKELY
ACCOMPANIED BY ANOTHER WAVE OF SHOWERS AND THUNDERSTORMS. 12Z
MODELS DISPLAY FAIRLY LARGE TIMING DIFFERENCES BETWEEN THE GFS AND
NAM WITH THIS UPPER FEATURE...WITH THE NAM FAVORING A LATER
ARRIVAL LATE TUESDAY AFTERNOON INTO TUESDAY EVENING. WE PREFER THE
FASTER GFS SOLUTION WHICH MATCHES THE 00Z ECMWF MUCH BETTER...AND
THIS IS THE REASON FOR OUR HIGH POPS INLAND TUESDAY AND ALONG THE
COAST TUESDAY EVENING.

CLOUDS AND OCCASIONAL PRECIP WILL HOLD DAYTIME TEMPERATURES DOWN
FROM THE HOT READINGS WE'VE RECENTLY EXPERIENCED: 85-88 AT THE
BEACHES TO LOWER 90S INLAND BOTH DAYS. OVERNIGHT LOWS WILL FALL
INTO THE 70-74 RANGE.

&&

.LONG TERM /WEDNESDAY THROUGH SUNDAY/...
AS OF 300 PM SUNDAY...MID TO UPPER TROUGH RUNNING DOWN THE EAST
COAST WEAKENS A BIT AS IT FLATTENS OUT AND SHIFTS EAST BY LATE WED
INTO THURS. THEREFORE DEEP MOIST SOUTHERLY FLOW WILL BE REPLACED BY
A DEEPER W-NW DRIER FLOW. PCP WATER VALUES DROP FROM AROUND 2.2
INCHES WED MORNING DOWN TO 1.6 BY WED EVENING AND DOWN LESS THAN 1.5
INCHES BY THURS EVENING. THEREFORE CONDITIONS WILL IMPROVE AND
COUNTING ON CONVECTION BECOMING MORE ISOLATED. MODELS CHANGED SINCE
YESTERDAY WITH REGARD TO H5 TROUGH WITH THE LATEST RUNS PROVIDING
FOR A MORE OPTIMISTIC FORECAST FRI INTO THE WEEKEND AS THE MID TO
UPPER TROUGH FINALLY LIFTS OFF TO THE NORTHEAST. THIS WILL ALLOW FOR
SOME WEAK RIDGING ALOFT WITH HEIGHTS INCREASING FROM 588 DEM TO 591
DEM. THIS SHOULD PROVIDE INCREASED SUBSIDENCE ALOFT AND DRIER MID
LEVELS. BY LATE SAT INTO SUN MOISTURE INCREASES IN THE LOWER LEVELS
AS MORE UNIFORM RETURN FLOW SETS UP FORM FROM SFC UP THROUGH H7 AND
THEN VEERS TOWARD THE W-SW THROUGH SUNDAY. THIS WILL ALLOW SLIGHT
INCREASE IN LOCALIZED CONVECTION BY THE END OF THE WEEKEND.

SUMMER-LIKE TEMPS WILL CONTINUE AS GUIDANCE KEEPS TEMPS SLIGHTLY
ABOVE NORMAL WITH READINGS IN THE 90S MOST DAYS AND 70S AT NIGHT.

&&

.AVIATION /18Z SUNDAY THROUGH FRIDAY/...
AS OF 12Z...A FEW POCKETS OF MVFR FOG OCCURRING AROUND THE CWA. LBT
COULD SEE BRIEF MVFR...BUT THE REST OF THE TERMINALS WILL BE VFR.
UPPER TROUGH HAS SHIFTED A BIT EAST...WITH CONVECTION OFFSHORE. THE
TROUGH IS EXPECTED TO REORIENT ITSELF BACK TO THE WEST THIS
AFTERNOON. A LEE SIDE TROUGH...WITH A QUASI-STATIONARY FRONT WILL
CONTINUE. SCATTERED SEA BREEZE ACTIVITY WILL BEGIN BY EARLY
AFTERNOON. THE BEST MOISTURE WILL BE TO THE SOUTH. STRONGEST
ACTIVITY WILL BE FROM 21-22Z...WITH HEAVY DOWNPOURS POSSIBLE. LIGHT
SOUTHWEST GRADIENT TODAY.

EXTENDED OUTLOOK...CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS
EACH DAY.

&&

.MARINE...
NEAR TERM /THROUGH TONIGHT/...
AS OF 2 PM SUNDAY...SOUTHWEST FLOW IN THE 10 TO 15 KT RANGE WILL
CONTINUE THROUGH THE PERIOD AS BERMUDA HIGH AND PIEDMONT
TROUGH/DISSIPATING FRONT REMAIN THE MAIN SURFACE FEATURES. SEAS 2
TO 4 FT...MAINLY BE COMPRISED OF SOUTHWEST WIND WAVE WITH A SMALL
EAST-SOUTHEAST SWELL COMPONENT.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...
AS OF 300 PM SUNDAY...A WEAKENING TROUGH OF LOW PRESSURE INLAND
AND HIGH PRESSURE WELL OFFSHORE WILL MAINTAIN A SOUTH-
SOUTHWESTERLY WIND THROUGH THE MONDAY-TUESDAY TIME FRAME. WIND
SPEEDS WILL AVERAGE 15 KNOTS...WITH SLIGHTLY HIGH WINDS POSSIBLE
OFFSHORE AT NIGHT AND NEARSHORE DURING THE AFTERNOONS WITH THE
SEABREEZE CIRCULATION. SEAS WILL AVERAGE 3-4 FT...WITH 5-FOOTERS
SHOWING UP PERIODICALLY EAST OF CAPE FEAR WHERE THE EFFECTIVE
FETCH LENGTH WILL BE LONGEST.

INCREASED COVERAGE OF THUNDERSTORMS WILL BE THE BIG STORY. MODELS
SHOW AT LEAST TWO SEMI-ORGANIZED CLUSTERS OF THUNDERSTORMS
AFFECTING THE COASTAL WATERS: ONE MONDAY MORNING AND A SECOND
TUESDAY EVENING. EVEN OUTSIDE OF THESE "WINDOWS" WIDELY SCATTERED
SHOWERS AND THUNDERSTORMS WILL PROBABLY DEVELOP GIVEN THE WARM...
HUMID AND UNCAPPED ATMOSPHERE.

LONG TERM /WEDNESDAY THROUGH FRIDAY/...
AS OF 300 PM SUNDAY...WILL MAINTAIN SOUTHWEST FLOW BETWEEN PIEDMONT
TROUGH OVER INLAND CAROLINAS AND BERMUDA HIGH TO THE EAST. GRADIENT
WILL TIGHTEN SLIGHTLY THROUGH MID WEEK AND THEREFORE EXPECT
SOUTHWEST FLOW A MORE SOLID 15 KTS TO 20 KTS WED. SEAS 2 TO 4 FT
TUES WILL BUILD UP TO 3 TO 5 FT. WINDS AND SEAS WILL DIMINISH BUT
MAINTAIN UP TO 15 KTS THURS THROUGH FRI WITH SEAS 2 TO 4 FT.

&&

.ILM WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
NC...NONE.
MARINE...NONE.

&&

SYNOPSIS...TRA
NEAR TERM...III
SHORT TERM...TRA
LONG TERM...RGZ
MARINE...HDL
Hazardous weather outlook, Jul 29, 3:39 PM EDT, 1 hour 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON NC
339 PM EDT SUN JUL 29 2012

NCZ096-099-105>110-301200-
BLADEN-COLUMBUS-INLAND PENDER-COASTAL PENDER-INLAND NEW HANOVER-
COASTAL NEW HANOVER-INLAND BRUNSWICK-COASTAL BRUNSWICK-
339 PM EDT SUN JUL 29 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED STRONG THUNDERSTORMS MAY PRODUCE STRONG OR DAMAGING WIND
GUSTS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS COULD BRING HEAVY RAINFALL MONDAY...RESULTING IN
ISOLATED FLOODING IN POOR DRAINAGE AREAS. STRONG THUNDERSTORMS
TUESDAY AFTERNOON AND EVENING COULD PRODUCE STRONG POTENTIALLY
DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED MONDAY AND TUESDAY.

SCZ053>056-301200-
INLAND HORRY-COASTAL HORRY-INLAND GEORGETOWN-COASTAL GEORGETOWN-
339 PM EDT SUN JUL 29 2012

...SEVERE THUNDERSTORM WATCH 538 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND 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...MONDAY THROUGH SATURDAY.

THUNDERSTORMS COULD BRING HEAVY RAINFALL MONDAY...RESULTING IN
ISOLATED FLOODING IN POOR DRAINAGE AREAS. STRONG THUNDERSTORMS
TUESDAY AFTERNOON AND EVENING COULD PRODUCE STRONG POTENTIALLY
DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED TODAY FOR THE SEVERE THUNDERSTORM
WATCH. PLEASE RELAY ANY REPORTS OF STORM DAMAGE TO THE NATIONAL
WEATHER SERVICE. SPOTTER ACTIVATION MAY BE REQUIRED MONDAY AND
TUESDAY.

AMZ254-256-301200-
LITTLE RIVER INLET TO MURRELLS INLET SC OUT 20 NM-
MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT 20 NM-
339 PM EDT SUN JUL 29 2012

...SEVERE THUNDERSTORM WATCH 538 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...THIS AFTERNOON AND 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...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

AMZ250-252-301200-
SURF CITY TO CAPE FEAR NC OUT 20 NM-
CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM-
339 PM EDT SUN JUL 29 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

NCZ087-SCZ017-023-024-032-033-301200-
ROBESON-MARLBORO-DARLINGTON-DILLON-FLORENCE-MARION-
339 PM EDT SUN JUL 29 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED STRONG THUNDERSTORMS MAY PRODUCE STRONG OR DAMAGING WIND
GUSTS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

STRONG THUNDERSTORMS TUESDAY AFTERNOON AND EVENING COULD PRODUCE
STRONG POTENTIALLY DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED MONDAY AND TUESDAY.

SCZ039-301200-
WILLIAMSBURG-
339 PM EDT SUN JUL 29 2012

...SEVERE THUNDERSTORM WATCH 538 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND 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...MONDAY THROUGH SATURDAY.

THUNDERSTORMS COULD BRING HEAVY RAINFALL MONDAY...RESULTING IN
ISOLATED FLOODING IN POOR DRAINAGE AREAS. STRONG THUNDERSTORMS
TUESDAY AFTERNOON AND EVENING COULD PRODUCE STRONG POTENTIALLY
DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED TODAY FOR THE SEVERE THUNDERSTORM
WATCH. PLEASE RELAY ANY REPORTS OF STORM DAMAGE TO THE NATIONAL
WEATHER SERVICE. SPOTTER ACTIVATION MAY BE REQUIRED MONDAY AND
TUESDAY.

9

In the hours before

Special weather statement, Jul 29, 3:36 PM EDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
336 PM EDT SUN JUL 29 2012

SCZ039-055-056-292030-
COASTAL GEORGETOWN-INLAND GEORGETOWN-WILLIAMSBURG-
336 PM EDT SUN JUL 29 2012

...STRONG THUNDERSTORMS WILL MOVE ACROSS GEORGETOWN AND WILLIAMSBURG
COUNTIES THROUGH 430 PM EDT...

AT 336 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER
OATLAND...OR ABOUT 13 MILES NORTH OF GEORGETOWN...MOVING SOUTHEAST AT
10 MPH. OTHER STORMS WILL DEVELOP AND MOVE EAST TOWARD THE COAST.

SOME LOCATIONS IMPACTED INCLUDE GEORGETOWN...ANDREWS...GRAVES...
JACKSON...LAMBERT...LITCHFIELD BEACH...NORTH SANTEE...OATLAND...
OUTLAND...PLANTERSVILLE...RHEMS AND SAMPIT.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
AN EXCESSIVE AMOUNT OF CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR NORTHEAST SOUTH CAROLINA.

&&

LAT...LON 3311 7928 3314 7928 3315 7935 3323 7946
      3330 7968 3379 7934 3377 7930 3371 7927
      3370 7918 3366 7915 3365 7912 3356 7912
      3355 7901 3347 7909 3339 7914 3325 7918
      3320 7917 3317 7919
TIME...MOT...LOC 1936Z 293DEG 11KT 3354 7928

ZOUZIAS
Special weather statement, Jul 29, 3:48 PM EDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
348 PM EDT SUN JUL 29 2012

NCZ099-109-110-SCZ053-054-292045-
COASTAL BRUNSWICK-COASTAL HORRY-COLUMBUS-INLAND BRUNSWICK-INLAND
HORRY-
348 PM EDT SUN JUL 29 2012

...STRONG THUNDERSTORMS WILL MOVE ACROSS HORRY...BRUNSWICK AND
COLUMBUS COUNTIES THROUGH 445 PM EDT...

AT 346 PM EDT...DOPPLER RADAR INDICATED THE STRONGEST THUNDERSTORM
OVER LORIS...OR ABOUT 16 MILES NORTHEAST OF CONWAY...MOVING EAST AT
15 MPH. OTHER THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS INLAND
HORRY...COLUMBUS AND BRUNSWICK COUNTIES AND WILL MOVE EAST TOWARD
THE COAST.

SOME LOCATIONS IMPACTED INCLUDE CONWAY...GARDEN CITY...LITTLE
RIVER...MYRTLE BEACH...NORTH MYRTLE BEACH...RED HILL...SHALLOTTE...
SOCASTEE...SURFSIDE BEACH...ADRIAN...ALLSBROOK AND ASH.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
AN EXCESSIVE AMOUNT OF CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR NORTHEAST SOUTH CAROLINA.

&&

LAT...LON 3411 7796 3394 7808 3390 7816 3390 7838
      3382 7866 3373 7882 3357 7900 3357 7904
      3382 7926 3388 7926 3428 7910
TIME...MOT...LOC 1946Z 266DEG 19KT 3404 7888

ZOUZIAS
Special weather statement, Jul 29, 4:19 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
419 PM EDT SUN JUL 29 2012

NCZ107>109-292100-
COASTAL NEW HANOVER-INLAND BRUNSWICK-INLAND NEW HANOVER-
419 PM EDT SUN JUL 29 2012

...A STRONG THUNDERSTORM WILL MOVE ACROSS PORTIONS OF BRUNSWICK AND
NEW HANOVER COUNTIES THROUGH 500 PM EDT...

AT 418 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR
WINNABOW...OR ABOUT 7 MILES SOUTH OF LELAND...MOVING EAST AT 10 MPH.
NEW THUNDERSTORMS WERE DEVELOPING BOTH EAST AND WEST OF THIS
LOCATION INCLUDING WILMINGTON.

SOME LOCATIONS IMPACTED INCLUDE LELAND...WILMINGTON...BATARORA...
BAYSHORE...BISHOP...MASONBORO...MILL CREEK...MYRTLE GROVE...OGDEN...
SEAGATE...SILVER LAKE AND SMITH CREEK.

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.
FREQUENT LIGHTNING.
HEAVY RAINFALL.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR NORTHEAST SOUTH CAROLINA.

&&

LAT...LON 3416 7783 3409 7786 3408 7793 3410 7794
      3408 7796 3405 7823 3426 7821 3431 7777
      3425 7775
TIME...MOT...LOC 2018Z 250DEG 7KT 3415 7804

TRA
Special weather statement, Jul 29, 4:54 PM EDT, 27 minutes before
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Local storm report, Jul 29, 4:57 PM EDT, 24 minutes before
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Special weather statement, Jul 29, 5:01 PM EDT, 20 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 9:42 PM EDTSpecial Weather StatementILMMarlboro33 min
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, 5:31 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

Severe Thunderstorm Warnings in South Carolina, 2012Every severe thunderstorm warning 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.