Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 109, NWS Charleston, SC

June 19, 2007Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 19, 2007, 6:34 PM EDT for Berkeley County, South Carolina. It was in force for 41 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 19, 2007, 6:34 PM EDT (22:34 UTC)
Expired: Jun 19, 2007, 7:15 PM EDT
In force: 41 min
Issued by: NWS Charleston, SC
Area: Counties, with a storm outline in the text

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 22:37 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

Newport, NC (KMHX), launched 12:00Z, 10.6 hours before the alert went out and 333 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: 1098 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 23 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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 3:48 PM EDT, 2 hours 46 minutes earlier.

Area forecast discussion, Jun 19, 3:48 PM EDT, 2 hours 46 minutes before

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Hazardous weather outlook, Jun 19, 4:07 PM EDT, 2 hours 27 minutes before

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In the hours before

Special weather statement, Jun 19, 4:46 PM EDT, 1 hour 48 minutes before

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Special weather statement, Jun 19, 5:48 PM EDT, 46 minutes before

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Special weather statement, Jun 19, 6:08 PM EDT, 26 minutes before

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Special weather statement, Jun 19, 6:09 PM EDT, 25 minutes before

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Special weather statement, Jun 19, 6:31 PM EDT, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 6:50 PM EDT	Marine Weather Statement	CHS		55 min
Jun 19, 6:28 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	62 min
Jun 19, 7:04 PM EDT	Severe Thunderstorm Warning	CHS	Dorchester	26 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.