Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 46, NWS Wilmington, NC

July 2, 20134 counties in South Carolina; Robeson County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jul 2, 2013, 7:26 PM EDT for 4 counties in South Carolina; Robeson County, North Carolina. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 2, 2013, 7:26 PM EDT (23:26 UTC)
Expired: Jul 2, 2013, 8:30 PM EDT
In force: 64 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon

Counties Robeson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Marlboro County, SC

The radar

The Wilmington radar (KLTX), 114 km from the middle of the area, began a volume at 23:27 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, 11.4 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: 674 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 768 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 2, 3:12 PM EDT, 4 hours 14 minutes earlier.

Area forecast discussion, Jul 2, 3:12 PM EDT, 4 hours 14 minutes before

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Hazardous weather outlook, Jul 2, 3:48 PM EDT, 3 hours 38 minutes before

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In the hours before

Special weather statement, Jul 2, 4:30 PM EDT, 2 hours 56 minutes before

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Special weather statement, Jul 2, 5:33 PM EDT, 1 hour 53 minutes before

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Special weather statement, Jul 2, 6:27 PM EDT, 59 minutes before

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Special weather statement, Jul 2, 7:11 PM EDT, 15 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
Jul 1, 9:45 PM EDT	Areal Flood Advisory	ILM	Horry, Marion	90 min
Jul 1, 10:25 PM EDT	Areal Flood Warning	ILM	Georgetown, Horry	3 hr
Jul 1, 10:40 PM EDT	River Flood Warning	ILM	Dillon, Horry, Marion	21 days
Jul 1, 10:46 PM EDT	Special Marine Warning	ILM		59 min
Jul 1, 11:23 PM EDT	Areal Flood Advisory	ILM	Horry	112 min
Jul 2, 8:19 AM EDT	Areal Flood Advisory	ILM	Darlington, Dillon, Florence, Georgetown, Marion, Marlboro and 1 more	116 min
Jul 2, 8:29 AM EDT	Areal Flood Advisory	ILM	Georgetown, Williamsburg	2 hr
Jul 2, 9:04 AM EDT	Areal Flood Advisory	ILM	Dillon, Georgetown, Horry, Marion	116 min
Jul 2, 9:51 AM EDT	Areal Flood Warning	ILM	Georgetown, Horry, Marion	3 hr
Jul 2, 10:15 AM EDT	Areal Flood Advisory	ILM	Dillon, Florence, Horry, Marion	2 hr
Jul 2, 10:38 AM EDT	Special Weather Statement	ILM	Horry	52 min
Jul 2, 12:40 PM EDT	Areal Flood Advisory	ILM	Florence, Marion, Williamsburg	3 hr
Jul 2, 4:30 PM EDT	Special Weather Statement	ILM	Williamsburg	60 min
Jul 2, 5:33 PM EDT	Special Weather Statement	ILM	Williamsburg	57 min
Jul 2, 5:50 PM EDT	River Flood Warning	ILM	Horry	26 days
Jul 2, 6:27 PM EDT	Special Weather Statement	ILM	Florence	48 min
Jul 2, 7:11 PM EDT	Special Weather Statement	ILM	Marlboro	64 min
Jul 1, 10:40 PM EDT	River Flood Warning	ILM	Bladen	5 days
Jul 2, 10:00 AM EDT	Areal Flood Warning	ILM	Bladen, Columbus, Robeson	3 hr
Jul 2, 10:34 AM EDT	Special Weather Statement	ILM	Bladen, Columbus	86 min
Jul 2, 10:46 AM EDT	River Flood Advisory	ILM	Pender	7 days
Jul 2, 11:59 AM EDT	Special Weather Statement	ILM	Bladen, Columbus	46 min
Jul 2, 1:02 PM EDT	Areal Flood Advisory	ILM	Bladen, Brunswick, Columbus, Pender	118 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013 Severe Thunderstorm Warnings in North Carolina, 2013 Every severe thunderstorm warning in 2013

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.