Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 59, NWS Wilmington, NC

July 27, 2007Darlington County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jul 27, 2007, 3:40 PM EDT for Darlington County, South Carolina. It was in force for 50 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 27, 2007, 3:40 PM EDT (19:40 UTC)
Expired: Jul 27, 2007, 4:30 PM EDT
In force: 50 min
Issued by: NWS Wilmington, NC
Area: Counties, with a storm outline in the text

County Darlington County, SC

The radar

The Columbia radar (KCAE), 115 km from the middle of the area, began a volume at 19:40 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 159 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: 2040 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 27, 1:39 PM EDT, 2 hours 1 minute earlier.

Area forecast discussion, Jul 27, 1:39 PM EDT, 2 hours 1 minute before

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Hazardous weather outlook, Jul 27, 5:04 AM EDT, 10 hours 36 minutes before

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In the hours before

Special weather statement, Jul 27, 3:33 PM EDT, 7 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 27, 4:37 PM EDT	Severe Thunderstorm Warning	ILM	Williamsburg	38 min
Jul 27, 4:45 PM EDT	Severe Thunderstorm Warning	ILM	Darlington	24 min
Jul 27, 3:50 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, Columbus, Pender	40 min
Jul 27, 4:45 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Columbus	45 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2007 Every severe thunderstorm warning in 2007

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.