Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, NC

May 9, 2012Darlington County, Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at May 9, 2012, 2:27 PM EDT for Darlington County, Marlboro County, South Carolina. It was in force for 63 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: May 9, 2012, 2:27 PM EDT (18:27 UTC)
Expired: May 9, 2012, 3:30 PM EDT
In force: 63 min
Issued by: NWS Wilmington, NC

Counties Darlington County, SC, Marlboro County, SC

The radar

The Columbia radar (KCAE), 124 km from the middle of the area, began a volume at 18:29 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, 6.5 hours before the alert went out and 175 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: 19 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 29 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 May 9, 1:45 PM EDT, 42 minutes earlier.

Area forecast discussion, May 9, 1:45 PM EDT, 42 minutes before

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Hazardous weather outlook, May 9, 3:17 AM EDT, 11 hours 10 minutes before

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In the hours before

Special weather statement, May 9, 2:27 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
227 PM EDT WED MAY 9 2012

SCZ017-023-032-091930-
DARLINGTON-FLORENCE-MARLBORO-
227 PM EDT WED MAY 9 2012

...STRONG THUNDERSTORMS WILL MOVE ACROSS FLORENCE...MARLBORO AND
DARLINGTON COUNTIES THROUGH 330 PM EDT...

AT 224 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM NEAR CHESTERFIELD SOUTH TO NEAR SUMTER. THESE
STORMS ARE ABOUT 20 MILES WEST OF THE CITY OF DARLINGTON AND
ARE...MOVING NORTHEAST AT 20 MPH.

SOME LOCATIONS IMPACTED INCLUDE BENNETTSVILLE...DARLINGTON...
FLORENCE...HARTSVILLE...AUBURN...CARTERSVILLE...CHAVISTOWN...CLYDE...
DOVESVILLE...FLOYD...KELLYTOWN AND LAMAR.

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

IF YOU SEE LIGHTNING OR HEAR THUNDER...YOU ARE AT RISK. TAKE SHELTER
INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER IN A BUILDING A
VEHICLE PROVIDES SAFETY FROM LIGHTNING.

&&

LAT...LON 3450 8005 3449 7988 3453 7983 3461 7980
      3462 7978 3468 7987 3475 7990 3478 7994
      3481 7993 3481 7968 3467 7952 3396 7986
      3415 8016 3421 8010 3436 8018 3433 8025
      3436 8029
TIME...MOT...LOC 1824Z 244DEG 16KT 3465 8009 3410 8013

III

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 2:51 PM EDT	Special Weather Statement	ILM	Williamsburg	39 min
May 9, 3:06 PM EDT	Special Weather Statement	ILM	Horry	39 min
May 9, 3:28 PM EDT	Special Weather Statement	ILM	Dillon, Florence	62 min
May 9, 3:55 PM EDT	Special Weather Statement	ILM	Florence, Georgetown, Williamsburg	65 min
May 9, 4:20 PM EDT	Special Weather Statement	ILM	Marion	55 min
May 9, 3:39 PM EDT	Special Weather Statement	ILM	Columbus	66 min
May 9, 3:47 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus	39 min
May 9, 4:52 PM EDT	Severe Thunderstorm Warning	ILM	Bladen	23 min
May 9, 5:20 PM EDT	Special Weather Statement	ILM	Bladen, Brunswick, Columbus, Pender	55 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.