Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Columbia, SC

June 15, 2017Lexington County, South Carolina

NWS Columbia, SC issued this special weather statement at Jun 15, 2017, 9:45 PM EDT for Lexington County, South Carolina. It was in force for 30 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 15, 2017, 9:45 PM EDT (01:45 UTC)
Expired: Jun 15, 2017, 10:15 PM EDT
In force: 30 min
Issued by: NWS Columbia, SC

County Lexington County, SC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.8 hours before the alert went out and 294 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: 1174 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1408 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 15, 8:14 PM EDT	Special Weather Statement	CAE	Calhoun	31 min
Jun 15, 9:09 PM EDT	Special Weather Statement	CAE	Aiken	36 min
Jun 15, 9:20 PM EDT	Special Weather Statement	CAE	Richland	25 min
Jun 15, 9:22 PM EDT	Special Weather Statement	CAE	Newberry	38 min
Jun 15, 9:48 PM EDT	Special Weather Statement	CAE	Richland	27 min
Jun 15, 10:18 PM EDT	Flash Flood Warning	CAE	Lexington, Richland	117 min
Jun 15, 11:50 PM EDT	Flash Flood Warning	CAE	Lexington, Richland	115 min
Jun 16, 12:25 AM EDT	Areal Flood Advisory	CAE	Aiken, Calhoun, Lexington, Orangeburg, Richland	2 hr
Jun 16, 3:42 PM EDT	Special Weather Statement	CAE	Lexington	48 min
Jun 16, 4:02 PM EDT	Special Weather Statement	CAE	Barnwell	43 min
Jun 16, 5:52 PM EDT	Special Weather Statement	CAE	Lee, Sumter	38 min
Jun 16, 6:23 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Lee	52 min

Nearby

Special Weather Statements in South Carolina, 2017 Every special weather statement in 2017

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.