Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, NC

June 11, 2012Dillon County, Marion County, Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jun 11, 2012, 3:39 PM EDT for Dillon County, Marion County, Marlboro County, South Carolina. It was in force for 66 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: Jun 11, 2012, 3:39 PM EDT (19:39 UTC)
Expired: Jun 11, 2012, 4:45 PM EDT
In force: 66 min
Issued by: NWS Wilmington, NC

Counties Dillon County, SC, Marion County, SC, Marlboro County, SC

The radar

The Wilmington radar (KLTX), 120 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 171 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: 389 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 772 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Jun 11, 3:02 PM EDT, 37 minutes earlier.

Area forecast discussion, Jun 11, 3:02 PM EDT, 37 minutes before

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Hazardous weather outlook, Jun 11, 3:26 AM EDT, 12 hours 13 minutes before

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In the hours before

Special weather statement, Jun 11, 3:39 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
Jun 11, 2:42 PM EDT	Areal Flood Advisory	ILM	Darlington, Florence, Williamsburg	2 hr
Jun 11, 4:28 PM EDT	Special Weather Statement	ILM	Georgetown	62 min
Jun 11, 4:32 PM EDT	Areal Flood Advisory	ILM	Williamsburg	118 min
Jun 11, 5:12 PM EDT	Special Weather Statement	ILM	Horry	63 min
Jun 11, 5:21 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Georgetown, Horry, Marion, Williamsburg	54 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.