Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 50, NWS Columbia, SC

June 4, 2007Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 4, 2007, 5:49 PM EDT for Richland County, South Carolina. It was in force for 26 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: Jun 4, 2007, 5:49 PM EDT (21:49 UTC)
Expired: Jun 4, 2007, 6:15 PM EDT
In force: 26 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

County Richland County, SC

The radar

The Columbia radar (KCAE), 21 km from the middle of the area, began a volume at 21:52 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, 9.8 hours before the alert went out and 150 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: 691 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1146 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 2:16 PM EDT, 3 hours 33 minutes earlier.

Area forecast discussion, Jun 4, 2:16 PM EDT, 3 hours 33 minutes before

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Hazardous weather outlook, Jun 4, 5:08 AM EDT, 12 hours 41 minutes before

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In the hours before

Local storm report, Jun 4, 4:44 PM EDT, 1 hour 5 minutes before

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Special weather statement, Jun 4, 5:06 PM EDT, 43 minutes before

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Local storm report, Jun 4, 5:36 PM EDT, 13 minutes before

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The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 3:16 AM EDT	Lake Wind Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more	19 hr
Jun 4, 4:06 PM EDT	Severe Thunderstorm Warning	CAE	Lancaster	24 min
Jun 4, 5:16 PM EDT	Severe Thunderstorm Warning	CAE	Lexington, Richland	29 min
Jun 4, 5:53 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield	22 min
Jun 4, 5:59 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Sumter	31 min
Jun 4, 6:02 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	28 min
Jun 4, 6:17 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	28 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.