Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, NC

July 9, 2012Williamsburg County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 9, 2012, 9:45 PM EDT for Williamsburg County, South Carolina. It was in force for 45 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 9, 2012, 9:45 PM EDT (01:45 UTC)
Expired: Jul 9, 2012, 10:30 PM EDT
In force: 45 min
Issued by: NWS Wilmington, NC

County Williamsburg County, SC

The radar

The Columbia radar (KCAE), 124 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

Charleston AFB, SC (KCHS), launched 00:00Z, 1.8 hours before the alert went out and 66 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: 2227 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1209 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 147 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 9, 8:08 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jul 9, 8:08 PM EDT, 1 hour 37 minutes before

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Hazardous weather outlook, Jul 9, 7:29 PM EDT, 2 hours 16 minutes before

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In the hours before

Special weather statement, Jul 9, 5:46 PM EDT, 3 hours 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
546 PM EDT MON JUL 9 2012

SCZ017-023-024-032-033-092215-
DARLINGTON-DILLON-FLORENCE-MARION-MARLBORO-
546 PM EDT MON JUL 9 2012

...STRONG THUNDERSTORMS WILL MOVE ACROSS FLORENCE...MARION...
DILLON...MARLBORO AND DARLINGTON COUNTIES THROUGH 615 PM EDT...

AT 547 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER
QUINBY...OR ABOUT 7 MILES EAST OF DARLINGTON...MOVING NORTHEAST AT 10
MPH.

SOME LOCATIONS IMPACTED INCLUDE DARLINGTON...BINGHAM...BLUE BRICK...
BROWNSVILLE...LATTA...MARS BLUFF...MECHANICSVILLE...MONT CLARE...OAK
GROVE...QUINBY...SELLERS AND SMITHBORO.

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

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 1000 PM EDT
MONDAY EVENING FOR SOUTHEAST NORTH CAROLINA.

&&

LAT...LON 3454 7984 3460 7981 3427 7927 3416 7974
      3429 7989
TIME...MOT...LOC 2147Z 226DEG 8KT 3429 7974

BACON

Special weather statement, Jul 9, 6:24 PM EDT, 3 hours 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
624 PM EDT MON JUL 9 2012

NCZ087-SCZ024-092330-
DILLON-ROBESON-
624 PM EDT MON JUL 9 2012

...STRONG THUNDERSTORMS WILL MOVE ACROSS DILLON AND ROBESON COUNTIES
THROUGH 730 PM EDT...

AT 624 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER
SOUTH OF THE BORDER...OR ABOUT 7 MILES NORTHEAST OF DILLON...MOVING
EAST...NORTHEAST AT 15 MPH.

SOME LOCATIONS IMPACTED INCLUDE LUMBERTON...BARKER TEN MILE...
BARNESVILLE...BUIE...ELROD...FAIRMONT...HESTERTOWN...HOWELLSVILLE...
PEMBROKE...PURVIS...ROWLAND AND SMITHS.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR SOUTHEAST NORTH CAROLINA.

&&

LAT...LON 3463 7883 3459 7883 3457 7885 3454 7886
      3451 7885 3445 7893 3445 7895 3443 7897
      3442 7897 3430 7912 3459 7942 3487 7893
TIME...MOT...LOC 2224Z 260DEG 8KT 3451 7928

15

Special weather statement, Jul 9, 6:57 PM EDT, 2 hours 48 minutes before

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Special weather statement, Jul 9, 7:48 PM EDT, 1 hour 57 minutes before

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Special weather statement, Jul 9, 9:00 PM EDT, 45 minutes before

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Special weather statement, Jul 9, 9:45 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 9:00 PM EDT	Special Weather Statement	ILM	Horry	45 min
Jul 9, 10:26 PM EDT	Special Weather Statement	ILM	Georgetown, Williamsburg	49 min
Jul 10, 12:19 AM EDT	Special Weather Statement	ILM	Darlington	41 min
Jul 10, 1:32 PM EDT	Special Weather Statement	ILM	Horry	58 min
Jul 10, 1:51 PM EDT	Special Weather Statement	ILM	Georgetown	54 min
Jul 10, 2:36 PM EDT	Areal Flood Warning	ILM	Horry	3 hr
Jul 10, 2:51 PM EDT	Special Marine Warning	ILM		54 min
Jul 10, 2:56 PM EDT	Special Weather Statement	ILM	Williamsburg	64 min
Jul 10, 3:03 PM EDT	Special Weather Statement	ILM	Georgetown	57 min
Jul 10, 3:25 PM EDT	Special Marine Warning	ILM		35 min
Jul 10, 3:26 PM EDT	Areal Flood Advisory	ILM	Georgetown	2 hr
Jul 10, 3:44 PM EDT	Special Weather Statement	ILM	Georgetown, Williamsburg	61 min
Jul 10, 3:52 PM EDT	Special Marine Warning	ILM		38 min
Jul 10, 4:30 PM EDT	Special Marine Warning	ILM		30 min
Jul 10, 4:37 PM EDT	Special Weather Statement	ILM	Darlington, Dillon, Florence, Georgetown, Horry, Marion and 1 more	53 min
Jul 10, 4:45 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Florence	60 min
Jul 10, 5:26 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Marion	64 min
Jul 10, 5:53 PM EDT	Severe Thunderstorm Warning	ILM	Dillon, Marlboro	43 min
Jul 10, 7:28 PM EDT	Special Weather Statement	ILM	Marlboro	62 min
Jul 10, 7:38 PM EDT	Areal Flood Advisory	ILM	Marlboro	53 min
Jul 10, 2:20 PM EDT	Special Weather Statement	ILM	New Hanover	55 min
Jul 10, 3:27 PM EDT	Special Weather Statement	ILM	Pender	63 min
Jul 10, 4:02 PM EDT	Special Weather Statement	ILM	Brunswick	58 min
Jul 10, 4:06 PM EDT	Severe Thunderstorm Warning	ILM	New Hanover	24 min
Jul 10, 7:23 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Robeson	52 min

Nearby

Special Weather Statements in South Carolina, 2012 Every 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.