Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Wilmington, NC

July 11, 2016Darlington County, Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 11, 2016, 6:36 PM EDT for Darlington County, Marlboro County, South Carolina. It was in force for 39 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 11, 2016, 6:36 PM EDT (22:36 UTC)
Expired: Jul 11, 2016, 7:15 PM EDT
In force: 39 min
Issued by: NWS Wilmington, NC

Counties Darlington County, SC, Marlboro County, SC

The radar

The Columbia radar (KCAE), 123 km from the middle of the area, began a volume at 22:37 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, 10.6 hours before the alert went out and 166 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: 535 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1401 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 11, 3:15 PM EDT, 3 hours 21 minutes earlier.

Area forecast discussion, Jul 11, 3:15 PM EDT, 3 hours 21 minutes before

Area Forecast Discussion
National Weather Service Wilmington NC
315 PM EDT MON JUL 11 2016

.SYNOPSIS...
A weakening front and area of low pressure across the region will
bring a good chance of showers and storms over the next couple of days.
A building ridge of high pressure will bring above normal
temperatures and less coverage of storms mid week. More typical
summer time weather can be expected into the weekend with
scattered showers and storms each day as the Bermuda High and
Piedmont trough dominate the weather.

&&

.NEAR TERM /THROUGH TONIGHT/...
As of 300 PM Monday...Latest obs show the front is lifting slowly
north of our forecast area. A consensus of guidance continues to
slowly lift the front back north for the remainder of this
afternoon and overnight, with a warm and moist southerly flow
continuing as high pressure builds back in from the south.

A moist and moderately unstable airmass developing this afternoon
will lead to another round of convection with the initial focus
being near the sea breeze front along the coast and an upper
disturbance moving in from the west. High-res guidance in good
accord with this scenario and shows extensive convection developing
through the afternoon hours, with most activity moving offshore
before midnight. SPC yet again has us in a Marginal Risk area for
severe weather, with the primary threat being from damaging winds.

Overnight lows will be a bit above normal, with mid 70s most places.

&&

.SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/...
As of 300 PM Monday...The western extension of the Bermuda high
will keep up a warm and moist southwesterly flow over the eastern
Carolinas through the period. A moderately unstable column will
lead to primarily diurnal convection with the good chance for
thunderstorms on both days. Temperatures will be seasonal on
Tuesday and just above climo on Wednesday. However, temperatures
near the coast may not make it out of the 80s.

&&

.LONG TERM /THURSDAY THROUGH MONDAY/...
As of 300 PM Monday...Weak 5h ridge over the southeast Thu will
break down ahead of shortwave emerging from the plains. As the
flow aloft transitions to weak troughing Fri into Sat diurnal
convection due to the sea breeze and the Piedmont trough will
increase in coverage. Bermuda High will maintain low level
southwest flow as well as an abundance of moisture. Southwest flow
aloft will result in deep moisture over the southeast with
precipitable water values above 2 inches through the period. While
showers and thunderstorms will develop each day the best chances
will be during the weekend and the start of next week.
Temperatures a little above climo Thu and Fri will be closer to
climo during the day Sat through Mon with overnight temps
continuing to run a little above climo.&&

.AVIATION /18Z MONDAY THROUGH SATURDAY/...
As of 18Z...Convection beginning to flare along lingering frontal
boundary just north of KLBT, and also associated with outflow
from earlier convection now off shore. Convection will continue to
develop along the front and localized boundaries through this aftn
and have included some convection into this evening...mainly for
coastal terminals. Steering flow out of the west should guide all
shwrs/tstms to east toward the coastal terminals by late afternoon
into this eve and have included a more pessimistic tempo group to
account for this. Confidence is low as to exact timing of
convection.

EXTENDED OUTLOOK...Localized MVFR in ISOLD/SCT thunderstorms each
day between 17Z-01Z, otherwise expect VFR.

&&

.MARINE...
NEAR TERM /THROUGH TONIGHT/...
As of 300 PM Monday...A weak cold front extending from east to
west just north of our NC waters will push slowly to the north
through the near term. This will allow high pressure to gradually
strengthen its hold over the area. Winds will be SW at 10 to 15
kts overnight. Seas will range around 3 ft through the period.
There is a continued chance for thunderstorms over the waters
overnight.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/...
As of 300 PM Monday...High pressure over the western Atlantic
will keep winds from the SW at 10 to 15 kts through the period,
with seas of 2 or 3 ft. No advisories are expected during the
short term. However, there will be a chance for thunderstorms each
day, particularly in the afternoon and evening.

LONG TERM /THURSDAY THROUGH FRIDAY/...
As of 300 PM Monday...Bermuda High and Piedmont trough combo will
maintain southwest flow through the period. Trough will be more
defined during the period which will keep speeds on the high end
of the 10 to 15 kt range. Increased southwest flow will keep seas
in the 3 to 4 ft range each day.

&&

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

&&

NEAR TERM...REK
SHORT TERM...REK
LONG TERM...III
AVIATION...RGZ

Hazardous weather outlook, Jul 11, 2:28 PM EDT, 4 hours 8 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON NC
228 PM EDT MON JUL 11 2016

AMZ250-252-254-256-121830-
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-
228 PM EDT MON JUL 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ON THE WATERS THIS
AFTERNOON AND TONIGHT.

.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.

NCZ087-096-099-105>110-SCZ017-023-024-032-033-039-053>056-121830-
ROBESON-BLADEN-COLUMBUS-INLAND PENDER-COASTAL PENDER-
INLAND NEW HANOVER-COASTAL NEW HANOVER-INLAND BRUNSWICK-
COASTAL BRUNSWICK-MARLBORO-DARLINGTON-DILLON-FLORENCE-MARION-
WILLIAMSBURG-INLAND HORRY-COASTAL HORRY-INLAND GEORGETOWN-
COASTAL GEORGETOWN-
228 PM EDT MON JUL 11 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A FEW STRONG TO SEVERE THUNDERSTORMS TODAY AND TONIGHT WILL BE
CAPABLE OF 60 MPH WIND GUSTS.

.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.

In the hours before

Local storm report, Jul 11, 4:59 PM EDT, 1 hour 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
459 PM EDT MON JUL 11 2016

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

0422 PM     TSTM WND DMG     3 NNE BALDWIN WOODS     34.39N  78.67W
07/11/2016                   COLUMBUS           NC   EMERGENCY MNGR

            TREE DOWN MILLIE CHRISTEEN RD.

&&

EVENT NUMBER ILM1600217

43

Local storm report, Jul 11, 5:08 PM EDT, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
508 PM EDT MON JUL 11 2016

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

0430 PM     TSTM WND DMG     1 S EVERGREEN           34.41N  78.90W
07/11/2016                   COLUMBUS           NC   EMERGENCY MNGR

            TREE DOWN IN EVERGREEN.

&&

EVENT NUMBER ILM1600218

43

Special weather statement, Jul 11, 5:25 PM EDT, 1 hour 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
525 PM EDT MON JUL 11 2016

NCZ096-105-112215-
BLADEN NC-INLAND PENDER NC-
525 PM EDT MON JUL 11 2016

...SPECIAL WEATHER STATEMENT FOR SOUTHEASTERN BLADEN AND SOUTHWESTERN
PENDER COUNTIES UNTIL 615 PM EDT...

AT 525 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
SANDYFIELD...OR 18 MILES NORTHWEST OF LELAND...MOVING NORTHEAST AT 15
MPH.

HALF INCH HAIL AND WIND GUSTS OF UP 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
ROWAN...MONTAGUE...CURRIE...THE BOROUGH...MALPASS CORNER...
WARDS CORNER...KELLY...ROOKS...LONG CREEK...ASHTON...POINT CASWELL...
EAST ARCADIA...ST.
HELENA AND ATKINSON.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 404 AND 405.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3449 7784 3435 7819 3436 7821 3437 7821
      3438 7823 3437 7823 3440 7826 3437 7834
      3441 7845 3458 7826 3456 7825 3464 7819
TIME...MOT...LOC 2125Z 223DEG 13KT 3443 7825

III

Special weather statement, Jul 11, 6:04 PM EDT, 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
604 PM EDT MON JUL 11 2016

NCZ105-112245-
INLAND PENDER NC-
604 PM EDT MON JUL 11 2016

...SPECIAL WEATHER STATEMENT FOR CENTRAL PENDER COUNTY UNTIL 645 PM
EDT...

AT 604 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
BURGAW...MOVING EAST AT 20 MPH.

HALF INCH HAIL AND WIND GUSTS OF UP 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
BURGAW...MURRAY TOWN...MAPLE HILL...ASHTON...WHITE STOCKING...
ST. HELENA AND PENDER MEMORIAL HOSPITAL.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 395 AND 406.

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.

&&

LAT...LON 3446 7802 3457 7808 3472 7772 3472 7770
      3446 7765
TIME...MOT...LOC 2204Z 263DEG 17KT 3454 7798

III

Special weather statement, Jul 11, 6:19 PM EDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
619 PM EDT MON JUL 11 2016

SCZ053-054-112300-
COASTAL HORRY SC-INLAND HORRY SC-
619 PM EDT MON JUL 11 2016

...SPECIAL WEATHER STATEMENT FOR SOUTHERN HORRY COUNTY UNTIL 700 PM
EDT...

AT 619 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
CONWAY...MOVING SOUTHEAST AT 15 MPH.

HALF INCH HAIL AND WIND GUSTS OF UP 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CONWAY...SOCASTEE...RED HILL...HORRY...HICKORY GROVE...HOMEWOOD...
ADRIAN...FORESTBROOK...HAND...WAMPEE...BUCKSVILLE...
COASTAL CAROLINA UNIVERSITY...
HORRY GEORGETOWN TECHNICAL COLLEGE CONWAY CAMPUS...HAMMOND...
NIXONVILLE...BAYBORO...
CONWAY MEDICAL CENTER AND LIGHTHOUSE CARE CENTER OF CONWAY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 SC HIGHWAY 31 BETWEEN MILE MARKERS 5 AND 9.
 SC HIGHWAY 22 BETWEEN MILE MARKERS 1 AND 26.

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.

&&

LAT...LON 3385 7920 3403 7907 3387 7871 3363 7904
TIME...MOT...LOC 2219Z 305DEG 14KT 3385 7910

III

Special weather statement, Jul 11, 6:36 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
636 PM EDT MON JUL 11 2016

SCZ017-023-032-112315-
FLORENCE SC-MARLBORO SC-DARLINGTON SC-
636 PM EDT MON JUL 11 2016

...SPECIAL WEATHER STATEMENT FOR NORTHWESTERN FLORENCE...CENTRAL
MARLBORO AND DARLINGTON COUNTIES UNTIL 715 PM EDT...

AT 636 PM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES SOUTH OF
CHESTERFIELD TO HARTSVILLE TO BISHOPVILLE...AND MOVING EAST AT 25
MPH.

HALF INCH HAIL AND WIND GUSTS OF UP 50 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
FLORENCE...BENNETTSVILLE...HARTSVILLE...DARLINGTON...LAMAR...
QUINBY...KELLYTOWN...
FLORENCE DARLINGTON TECHNICAL COLLEGE MAIN CAMPUS...DOVESVILLE...
NORTH HARTSVILLE...MONT CLARE...DARLINGTON RACEWAY...FLOYD...
MARS BLUFF...LYDIA...CLYDE...AUBURN...OATS...
MECHANICSVILLE AND SOCIETY HILL.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 20 BETWEEN MILE MARKERS 126 AND 141.
 INTERSTATE 95 IN SOUTH CAROLINA NEAR MILE MARKER 146...AND BETWEEN
MILE MARKERS 159 AND 175.

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.

&&

LAT...LON 3449 8005 3449 7988 3453 7983 3461 7981
      3461 7978 3463 7979 3468 7968 3437 7959
      3430 7963 3429 7962 3426 7956 3420 7955
      3417 7956 3417 8015 3421 8011 3428 8013
      3430 8016 3436 8018 3433 8024 3438 8026
TIME...MOT...LOC 2236Z 262DEG 20KT 3459 8005 3435 8008 3421 8025

III

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 8:01 PM EDT	Special Weather Statement	ILM	New Hanover	29 min
Jul 10, 8:03 PM EDT	Special Marine Warning	ILM		27 min
Jul 10, 8:15 PM EDT	Areal Flood Advisory	ILM	Brunswick, Columbus	60 min
Jul 10, 8:25 PM EDT	Special Weather Statement	ILM	Brunswick	35 min
Jul 10, 8:31 PM EDT	Special Marine Warning	ILM		89 min
Jul 10, 9:12 PM EDT	Special Marine Warning	ILM		63 min
Jul 11, 5:07 AM EDT	Special Weather Statement	ILM	New Hanover	23 min
Jul 11, 5:47 AM EDT	Special Weather Statement	ILM	New Hanover	13 min
Jul 11, 6:03 AM EDT	Special Weather Statement	ILM	Bladen	27 min
Jul 11, 6:36 AM EDT	Special Weather Statement	ILM	Brunswick	24 min
Jul 11, 6:55 AM EDT	Special Weather Statement	ILM	Brunswick	35 min
Jul 11, 7:17 AM EDT	Special Weather Statement	ILM	New Hanover	88 min
Jul 11, 3:07 PM EDT	Severe Thunderstorm Warning	ILM	Robeson	53 min
Jul 11, 3:55 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus, Robeson	50 min
Jul 11, 4:05 PM EDT	Special Weather Statement	ILM	Robeson	40 min
Jul 11, 4:23 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus	67 min
Jul 11, 5:07 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, Columbus	23 min
Jul 11, 5:25 PM EDT	Special Weather Statement	ILM	Pender	50 min
Jul 11, 6:04 PM EDT	Special Weather Statement	ILM	Pender	41 min
Jul 11, 7:06 PM EDT	Special Marine Warning	ILM		84 min
Jul 11, 7:21 PM EDT	Severe Thunderstorm Warning	ILM	Columbus, Robeson	54 min
Jul 11, 4:07 AM EDT	Special Weather Statement	ILM	Florence, Marion	38 min
Jul 11, 1:25 PM EDT	Special Weather Statement	ILM	Marlboro	50 min
Jul 11, 1:42 PM EDT	Special Weather Statement	ILM	Horry	33 min
Jul 11, 2:12 PM EDT	Special Weather Statement	ILM	Marlboro	48 min
Jul 11, 3:18 PM EDT	Special Weather Statement	ILM	Marlboro	42 min
Jul 11, 4:03 PM EDT	Special Weather Statement	ILM	Dillon	42 min
Jul 11, 4:25 PM EDT	Special Weather Statement	ILM	Darlington	65 min
Jul 11, 4:43 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Florence, Marlboro	62 min
Jul 11, 6:19 PM EDT	Special Weather Statement	ILM	Horry	41 min
Jul 11, 6:56 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Florence, Marlboro	34 min
Jul 11, 7:02 PM EDT	Special Weather Statement	ILM	Horry	43 min
Jul 11, 7:24 PM EDT	Tornado Warning	ILM	Dillon	13 min

Nearby

Special Weather Statements in South Carolina, 2016 Every special weather statement in 2016

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.