Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 54, NWS Wilmington, NC

June 21, 20144 counties in South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 21, 2014, 7:19 PM EDT for 4 counties in South Carolina. It was in force for 56 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: Jun 21, 2014, 7:19 PM EDT (23:19 UTC)
Expired: Jun 21, 2014, 8:15 PM EDT
In force: 56 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon

Counties Darlington County, SC, Dillon County, SC, Florence County, SC, Marion County, SC

The radar

The Wilmington radar (KLTX), 111 km from the middle of the area, began a volume at 23:19 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, 11.3 hours before the alert went out and 150 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: 198 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 33 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 Jun 21, 6:54 PM EDT, 25 minutes earlier.

Area forecast discussion, Jun 21, 6:54 PM EDT, 25 minutes before

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Hazardous weather outlook, Jun 21, 3:40 PM EDT, 3 hours 39 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON NC
340 PM EDT SAT JUN 21 2014

NCZ087-096-099-105-107-109-SCZ017-023-024-032-033-039-053-055-221945-
ROBESON-BLADEN-COLUMBUS-INLAND PENDER-INLAND NEW HANOVER-
INLAND BRUNSWICK-MARLBORO-DARLINGTON-DILLON-FLORENCE-MARION-
WILLIAMSBURG-INLAND HORRY-INLAND GEORGETOWN-
340 PM EDT SAT JUN 21 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A FEW THUNDERSTORMS MAY BECOME STRONG TO SEVERE THIS AFTERNOON AND
EARLY EVENING...WITH DAMAGING WIND GUSTS THE PRIMARY CONCERN.
HEAVY RAIN IN A SHORT PERIOD OF TIME FROM THUNDERSTORMS MOVING
SLOWLY ACROSS THE REGION...COULD PRODUCE LOCALIZED AND TEMPORARY
FLOODING ACROSS THE REGION.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ106-108-110-SCZ054-056-221945-
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
340 PM EDT SAT JUN 21 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A FEW THUNDERSTORMS MAY BECOME STRONG TO SEVERE THIS AFTERNOON AND
EARLY EVENING...WITH DAMAGING WIND GUSTS THE PRIMARY CONCERN.
HEAVY RAIN IN A SHORT PERIOD OF TIME FROM THUNDERSTORMS MOVING
SLOWLY ACROSS THE REGION...COULD PRODUCE LOCALIZED AND TEMPORARY
FLOODING ACROSS THE REGION.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

AMZ250-252-254-256-221945-
SURF CITY TO CAPE FEAR NC OUT 20 NM-
CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM-
LITTLE RIVER INLET TO MURRELLS INLET SC OUT 20 NM-
MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT 20 NM-
340 PM EDT SAT JUN 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS MAY PRODUCE BRIEF WIND GUSTS GREATER THAN OR EQUAL
TO 34 KNOTS. IN ADDITION...FREQUENT CLOUD TO OCEAN SURFACE LIGHTNING
WILL ACCOMPANY THESE THUNDERSTORMS.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DCH

In the hours before

Special weather statement, Jun 21, 4:56 PM EDT, 2 hours 23 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
456 PM EDT SAT JUN 21 2014

NCZ096-105-212200-
BLADEN-INLAND PENDER-
456 PM EDT SAT JUN 21 2014

...A STRONG THUNDERSTORM WILL MOVE ACROSS PENDER AND BLADEN COUNTIES
THROUGH 600 PM EDT...

AT 456 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
WHITE LAKE...OR ABOUT 11 MILES EAST OF ELIZABETHTOWN...MOVING
SOUTHEAST AT 10 MPH.

SOME LOCATIONS IMPACTED INCLUDE KELLY...LAGOON...POINT CASWELL...
ROOKS...ROWAN...ATKINSON AND WHITE LAKE.

HAZARDS INCLUDE...
HALF INCH DIAMETER SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.

DON'T WAIT UNTIL YOU SEE THE FIRST LIGHTNING FLASH BEFORE HEADING TO
SAFETY. MOVE INDOORS AT THE FIRST SIGN OF THREATENING SKIES OR THE
FIRST SOUND OF THUNDER. MAKE SURE THAT LIGHTNING IS WELL AWAY FROM
YOUR LOCATION BEFORE RESUMING OUTDOOR ACTIVITY.

&&

LAT...LON 3473 7838 3470 7836 3469 7834 3467 7832
      3460 7830 3457 7825 3464 7819 3458 7803
      3437 7821 3440 7825 3439 7827 3461 7856
      3475 7844
TIME...MOT...LOC 2056Z 305DEG 9KT 3463 7841

DIGIORGI

Special weather statement, Jun 21, 5:04 PM EDT, 2 hours 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
504 PM EDT SAT JUN 21 2014

NCZ099-109-110-SCZ033-053>056-212215-
COASTAL BRUNSWICK-COASTAL GEORGETOWN-COASTAL HORRY-COLUMBUS-INLAND
BRUNSWICK-INLAND GEORGETOWN-INLAND HORRY-MARION-
504 PM EDT SAT JUN 21 2014

...STRONG THUNDERSTORMS WILL MOVE ACROSS GEORGETOWN...HORRY...
MARION...BRUNSWICK AND COLUMBUS COUNTIES THROUGH 615 PM EDT...

AT 504 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS...FROM NEAR CLARENDON...TO BRITTON NECK...MOVING
SOUTHEAST AT 20 MPH.

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

HAZARDS INCLUDE...
HALF INCH DIAMETER SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING.

HEAVY RAINFALL AND MINOR FLOODING.

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.

&&

LAT...LON 3372 7938 3431 7885 3416 7811 3390 7830
      3388 7847 3379 7874 3363 7894 3351 7905
TIME...MOT...LOC 2104Z 300DEG 18KT 3389 7878

WEISS

Local storm report, Jun 21, 5:20 PM EDT, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
520 PM EDT SAT JUN 21 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0437 PM     TSTM WND DMG     5 ENE CONWAY            33.87N  78.98W
06/21/2014                   HORRY              SC   DEPT OF HIGHWAYS

            TREE BLOCKING ROADWAY AT INTERSECTION OF SC 905 AND OLD
            REAVES FERRY RD. TIME ESTIMATED BY RADAR.

&&

EVENT NUMBER ILM1400257

LACORTE

Special weather statement, Jun 21, 6:01 PM EDT, 1 hour 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
601 PM EDT SAT JUN 21 2014

NCZ096-105-107-109-212300-
BLADEN-INLAND BRUNSWICK-INLAND NEW HANOVER-INLAND PENDER-
601 PM EDT SAT JUN 21 2014

...A STRONG THUNDERSTORM WILL MOVE ACROSS BRUNSWICK...NEW HANOVER...
PENDER AND BLADEN COUNTIES THROUGH 700 PM EDT...

AT 601 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
CURRIE...OR ABOUT 11 MILES WEST OF BURGAW...MOVING SOUTHEAST AT 20
MPH.

SOME LOCATIONS IMPACTED INCLUDE BURGAW...ASHTON...CASTLE HAYNE...
CURRIE...KELLY...LONG CREEK...MALPASS CORNER...MONTAGUE...
MOORETOWN...MURRAY TOWN...POINT CASWELL AND ROCKY POINT.

HAZARDS INCLUDE...
HALF INCH DIAMETER SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.

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.

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 3442 7772 3425 7790 3434 7817 3436 7817
      3435 7819 3453 7845 3459 7828 3456 7824
      3463 7820 3463 7818 3465 7765
TIME...MOT...LOC 2201Z 297DEG 18KT 3449 7808

SGL

Special weather statement, Jun 21, 6:21 PM EDT, 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
621 PM EDT SAT JUN 21 2014

SCZ017-023-212300-
DARLINGTON-MARLBORO-
621 PM EDT SAT JUN 21 2014

...A STRONG THUNDERSTORM WILL MOVE ACROSS MARLBORO AND DARLINGTON
COUNTIES THROUGH 700 PM EDT...

AT 622 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
MONT CLARE...OR ABOUT 9 MILES NORTH OF DARLINGTON...MOVING SOUTHEAST
AT 20 MPH.

SOME LOCATIONS IMPACTED INCLUDE DARLINGTON...AUBURN...BROWNSVILLE...
DARLINGTON RACEWAY...DOVESVILLE...FLOYD...MECHANICSVILLE...MONT
CLARE...BLENHEIM AND SOCIETY HILL.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF AROUND 40 MPH.

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.

&&

LAT...LON 3450 8005 3449 8001 3451 7999 3449 7996
      3449 7988 3454 7983 3458 7982 3452 7951
      3430 7963 3431 7967 3429 7968 3429 7973
      3425 7975 3426 7980 3421 7987 3446 8011
TIME...MOT...LOC 2222Z 302DEG 17KT 3441 7982

WEISS

Local storm report, Jun 21, 6:32 PM EDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
632 PM EDT SAT JUN 21 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0445 PM     TSTM WND DMG     1 NE SOCASTEE           33.70N  78.99W
06/21/2014                   HORRY              SC   911 CALL CENTER

            TREE FELL ONTO HOUSE ON FORESTBROOK RD NEAR THE SUGAR
            MILL AREA. TIME ESTIMATED BY RADAR.

&&

EVENT NUMBER ILM1400258

LACORTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 8:20 PM EDT	Special Weather Statement	ILM	Pender	40 min
Jun 20, 8:24 PM EDT	Areal Flood Advisory	ILM	Brunswick, Pender	111 min
Jun 20, 9:12 PM EDT	Special Weather Statement	ILM	New Hanover	63 min
Jun 20, 9:23 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Brunswick, Columbus	52 min
Jun 20, 10:15 PM EDT	Special Weather Statement	ILM	Brunswick, New Hanover	60 min
Jun 21, 4:21 PM EDT	Special Weather Statement	ILM	Brunswick	114 min
Jun 21, 4:30 PM EDT	Severe Thunderstorm Warning	ILM	Columbus	28 min
Jun 21, 4:51 PM EDT	Areal Flood Warning	ILM	Brunswick, Columbus	3 hr
Jun 21, 4:56 PM EDT	Special Weather Statement	ILM	Bladen	64 min
Jun 21, 5:00 PM EDT	Special Marine Warning	ILM		90 min
Jun 21, 5:04 PM EDT	Special Weather Statement	ILM	Brunswick, Columbus	71 min
Jun 21, 6:01 PM EDT	Special Weather Statement	ILM	Pender	59 min
Jun 21, 7:44 PM EDT	Special Weather Statement	ILM	Bladen, Robeson	61 min
Jun 20, 8:48 PM EDT	Special Weather Statement	ILM	Horry	57 min
Jun 21, 1:55 PM EDT	Areal Flood Advisory	ILM	Darlington	2 hr
Jun 21, 3:04 PM EDT	Special Weather Statement	ILM	Marion	56 min
Jun 21, 3:32 PM EDT	Special Weather Statement	ILM	Georgetown, Horry	58 min
Jun 21, 3:36 PM EDT	Severe Thunderstorm Warning	ILM	Dillon, Horry, Marion	35 min
Jun 21, 3:57 PM EDT	Areal Flood Advisory	ILM	Georgetown, Horry	2 hr
Jun 21, 6:21 PM EDT	Special Weather Statement	ILM	Darlington	39 min
Jun 21, 6:45 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Dillon, Florence, Marlboro	60 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2014 Every severe thunderstorm warning in 2014

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.