Alert archive / South Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Wilmington, NC

May 13, 2011Florence County, Marion County, South Carolina

NWS Wilmington, NC issued this special weather statement at May 13, 2011, 11:02 PM EDT for Florence County, Marion County, South Carolina. It was in force for 58 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 13, 2011, 11:02 PM EDT (03:02 UTC)
Expired: May 14, 2011, 12:00 AM EDT
In force: 58 min
Issued by: NWS Wilmington, NC

Counties Florence County, SC, Marion County, SC

The radar

The Wilmington radar (KLTX), 95 km from the middle of the area, began a volume at 03:05 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, 3.0 hours before the alert went out and 152 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: 846 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1356 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 102 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 13, 11:01 PM EDT, 1 minute earlier.

Area forecast discussion, May 13, 11:01 PM EDT, 1 minute before

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Hazardous weather outlook, May 13, 7:22 PM EDT, 3 hours 40 minutes before

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In the hours before

Special weather statement, May 13, 9:26 PM EDT, 1 hour 36 minutes before

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Special weather statement, May 13, 10:03 PM EDT, 59 minutes before

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Special weather statement, May 13, 10:24 PM EDT, 38 minutes before

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Special weather statement, May 13, 11:02 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
May 13, 10:03 PM EDT	Special Weather Statement	ILM	Williamsburg	87 min
May 14, 12:26 PM EDT	Special Weather Statement	ILM	Georgetown	49 min
May 14, 12:34 PM EDT	Severe Thunderstorm Warning	ILM	Georgetown, Horry, Marion	41 min
May 14, 1:06 PM EDT	Special Weather Statement	ILM	Horry	24 min
May 14, 1:19 PM EDT	Severe Thunderstorm Warning	ILM	Georgetown, Horry	56 min
May 14, 1:33 PM EDT	Special Marine Warning	ILM		57 min
May 14, 1:42 PM EDT	Areal Flood Advisory	ILM	Horry	63 min
May 14, 4:59 PM EDT	Special Weather Statement	ILM	Darlington	31 min
May 14, 2:14 PM EDT	Special Weather Statement	ILM	Robeson	61 min
May 14, 2:31 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus, Robeson	59 min
May 14, 2:55 PM EDT	Coastal Flood Advisory	ILM	New Hanover	8 hr
May 14, 5:10 PM EDT	Special Weather Statement	ILM	Columbus	35 min
May 14, 6:49 PM EDT	Special Weather Statement	ILM	Robeson	41 min
May 14, 7:04 PM EDT	Special Weather Statement	ILM	Columbus	41 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.