Alert archive / South Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Wilmington, NC

November 28, 2011Dillon County, Horry County, Marion County, South Carolina

NWS Wilmington, NC issued this special weather statement at Nov 28, 2011, 10:21 PM EST for Dillon County, Horry County, 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: Nov 28, 2011, 10:21 PM EST (03:21 UTC)
Expired: Nov 28, 2011, 11:15 PM EST
In force: 54 min
Issued by: NWS Wilmington, NC

Counties Dillon County, SC, Horry County, SC, Marion County, SC

The radar

The Wilmington radar (KLTX), 66 km from the middle of the area, began a volume at 03:23 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, 3.4 hours before the alert went out and 131 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: 237 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 437 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 28, 8:40 PM EST	Special Weather Statement	ILM	Dillon, Marion, Marlboro	50 min
Nov 28, 9:09 PM EST	Special Weather Statement	ILM	Dillon, Marion	66 min
Nov 29, 12:53 AM EST	Special Marine Warning	ILM		97 min
Nov 28, 10:57 PM EST	Special Weather Statement	ILM	Robeson	18 min
Nov 28, 11:27 PM EST	Special Weather Statement	ILM	Columbus, Robeson	63 min

Nearby

Special Weather Statements in South Carolina, 2011 Every special weather statement in 2011

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.