Alert archive / South Carolina / Special Weather Statements in 2014

Special Weather Statement, NWS Wilmington, NC

July 10, 2014Marion County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 10, 2014, 1:21 PM EDT for Marion 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 outline as issued.

The facts

Issued: Jul 10, 2014, 1:21 PM EDT (17:21 UTC)
Expired: Jul 10, 2014, 2:15 PM EDT
In force: 54 min
Issued by: NWS Wilmington, NC

County Marion County, SC

The radar

The Wilmington radar (KLTX), 77 km from the middle of the area, began a volume at 17:24 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, 5.4 hours before the alert went out and 144 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: 181 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1396 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 40 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 10, 11:42 AM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jul 10, 11:42 AM EDT, 1 hour 39 minutes before

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Hazardous weather outlook, Jul 10, 12:56 PM EDT, 25 minutes before

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In the hours before

Special weather statement, Jul 10, 8:25 AM EDT, 4 hours 56 minutes before

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Local storm report, Jul 10, 9:25 AM EDT, 3 hours 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
925 AM EDT THU JUL 10 2014

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

0800 AM     WATER SPOUT      2 ESE MYRTLE BEACH      33.68N  78.86W
07/10/2014                   AMZ254             SC   MEDIA

            MEDIA RELAYED VIEWER REPORT

&&

EVENT NUMBER ILM1400275

ROSS

Special weather statement, Jul 10, 1:21 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
121 PM EDT THU JUL 10 2014

SCZ024-032-033-053-101815-
DILLON-FLORENCE-INLAND HORRY-MARION-
121 PM EDT THU JUL 10 2014

...STRONG THUNDERSTORMS TO DEVELOP AND MOVE ACROSS NORTHWEST
HORRY...FLORENCE...MARION AND DILLON COUNTIES THROUGH 215 PM EDT...

AT 117 PM EDT...DOPPLER RADAR INDICATED 1 OF THESE STRONG
THUNDERSTORMS OVER GRESHAM...OR ABOUT 17 MILES SOUTH OF
MARION...MOVING NORTHEAST AT 15 MPH.

ADDITIONAL STORMS...POSSIBLY BECOMING STRONG...WILL DEVELOP ACROSS
NORTHERN MARION AND SOUTHERN DILLON COUNTIES THROUGH 215 PM EDT.

SOME LOCATIONS IMPACTED INCLUDE MARION...MULLINS...BLUE BRICK...
BRITTON NECK...CLAUSSEN...FLOYDALE...FORK...GALIVANTS FERRY...
GAPWAY...GREEN SEA...GRESHAM AND KEMPER.

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

THUNDERSTORMS CAN POSE A VARIETY OF ADDITIONAL THREATS INCLUDING
CLOUD TO GROUND LIGHTNING...AND LOCALIZED FLOODING. IT IS
RECOMMENDED THAT YOU REMAIN INDOORS UNTIL THE STORMS PASS.

&&

LAT...LON 3412 7887 3382 7937 3382 7938 3380 7939
      3412 7968 3447 7927
TIME...MOT...LOC 1717Z 230DEG 13KT 3394 7936

RALF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 8:25 AM EDT	Special Weather Statement	ILM	Brunswick	50 min
Jul 10, 9:56 AM EDT	Areal Flood Advisory	ILM	Brunswick, New Hanover	2 hr
Jul 10, 1:32 PM EDT	Special Weather Statement	ILM	Bladen	58 min
Jul 10, 2:06 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus, Robeson	54 min
Jul 10, 2:34 PM EDT	Severe Thunderstorm Warning	ILM	Columbus	41 min
Jul 10, 3:09 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus	51 min
Jul 10, 3:29 PM EDT	Special Weather Statement	ILM	Robeson	61 min
Jul 10, 3:40 PM EDT	Special Weather Statement	ILM	Robeson	50 min
Jul 10, 4:00 PM EDT	Areal Flood Advisory	ILM	Robeson	75 min
Jul 10, 5:05 PM EDT	Areal Flood Advisory	ILM	Robeson	115 min
Jul 10, 5:25 PM EDT	Areal Flood Advisory	ILM	Robeson	110 min
Jul 10, 7:15 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus	49 min
Jul 10, 7:39 PM EDT	Areal Flood Advisory	ILM	Bladen, Columbus, Robeson	111 min
Jul 10, 2:20 PM EDT	Special Weather Statement	ILM	Horry	55 min
Jul 10, 3:31 PM EDT	Special Weather Statement	ILM	Horry	29 min
Jul 10, 5:43 PM EDT	Special Weather Statement	ILM	Dillon	32 min
Jul 10, 6:30 PM EDT	Severe Thunderstorm Warning	ILM	Horry, Marion	45 min
Jul 10, 7:55 PM EDT	Special Weather Statement	ILM	Florence	65 min

Nearby

Special Weather Statements in South Carolina, 2014 Every special weather statement 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.