Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Columbia, SC

June 23, 2012Kershaw County, Lancaster County, South Carolina

NWS Columbia, SC issued this special weather statement at Jun 23, 2012, 9:57 PM EDT for Kershaw County, Lancaster County, South Carolina. It was in force for 63 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: Jun 23, 2012, 9:57 PM EDT (01:57 UTC)
Expired: Jun 23, 2012, 11:00 PM EDT
In force: 63 min
Issued by: NWS Columbia, SC

Counties Kershaw County, SC, Lancaster County, SC

The radar

The Columbia radar (KCAE), 90 km from the middle of the area, began a volume at 01:58 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.0 hours before the alert went out and 172 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: 61 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1676 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 74 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 Columbia, SC wrote its last area forecast discussion before this special weather statement went out at Jun 23, 9:38 PM EDT, 19 minutes earlier.

Area forecast discussion, Jun 23, 9:38 PM EDT, 19 minutes before

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Hazardous weather outlook, Jun 23, 4:01 AM EDT, 17 hours 56 minutes before

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In the hours before

Special weather statement, Jun 23, 6:23 PM EDT, 3 hours 34 minutes before

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Special weather statement, Jun 23, 9:57 PM EDT, 0 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 23, 10:26 PM EDT	Special Weather Statement	CAE	Kershaw, Lancaster	34 min
Jun 23, 10:38 PM EDT	Areal Flood Advisory	CAE	Chesterfield, Kershaw, Lancaster	112 min
Jun 24, 1:33 PM EDT	Special Weather Statement	CAE	Richland	57 min
Jun 24, 1:37 PM EDT	Special Weather Statement	CAE	Kershaw	53 min
Jun 24, 2:22 PM EDT	Areal Flood Advisory	CAE	Edgefield	53 min
Jun 24, 2:26 PM EDT	Areal Flood Advisory	CAE	Fairfield, Richland	64 min
Jun 24, 2:28 PM EDT	Areal Flood Advisory	CAE	Kershaw	62 min
Jun 24, 3:32 PM EDT	Flash Flood Warning	CAE	Kershaw, Lee	88 min
Jun 24, 5:02 PM EDT	Areal Flood Advisory	CAE	Lancaster	58 min
Jun 24, 7:00 PM EDT	Areal Flood Advisory	CAE	Chesterfield	56 min

Nearby

Special Weather Statements in South Carolina, 2012 Every special weather statement in 2012

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.