Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Columbia, SC

July 5, 2017Chesterfield County, Kershaw County, South Carolina

NWS Columbia, SC issued this special weather statement at Jul 5, 2017, 8:57 PM EDT for Chesterfield County, Kershaw 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: Jul 5, 2017, 8:57 PM EDT (00:57 UTC)
Expired: Jul 5, 2017, 10:00 PM EDT
In force: 63 min
Issued by: NWS Columbia, SC

Counties Chesterfield County, SC, Kershaw County, SC

The radar

The Columbia radar (KCAE), 123 km from the middle of the area, began a volume at 01:00 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, 1.0 hours before the alert went out and 164 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: 787 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1218 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 5, 7:14 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 5, 7:14 PM EDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 5, 2:58 PM EDT, 5 hours 59 minutes before

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In the hours before

Special weather statement, Jul 5, 5:37 PM EDT, 3 hours 20 minutes before

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Special weather statement, Jul 5, 6:07 PM EDT, 2 hours 50 minutes before

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Special weather statement, Jul 5, 8:07 PM EDT, 50 minutes before

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Special weather statement, Jul 5, 8:57 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
Jul 5, 8:07 PM EDT	Special Weather Statement	CAE	Lancaster	53 min
Jul 6, 4:48 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, McCormick	27 min
Jul 6, 4:58 PM EDT	Special Weather Statement	CAE	McCormick	47 min
Jul 6, 5:11 PM EDT	Special Weather Statement	CAE	McCormick	49 min
Jul 6, 5:16 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	59 min
Jul 6, 5:23 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	52 min
Jul 6, 5:45 PM EDT	Severe Thunderstorm Warning	CAE	Newberry, Saluda	45 min
Jul 6, 5:52 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Orangeburg	53 min
Jul 6, 5:53 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	67 min
Jul 6, 6:14 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	26 min
Jul 6, 6:21 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Lexington, Newberry, Richland	54 min
Jul 6, 7:11 PM EDT	Special Weather Statement	CAE	Lee	64 min
Jul 6, 7:22 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lancaster	27 min
Jul 6, 7:53 PM EDT	Severe Thunderstorm Warning	CAE	Lee, Richland, Sumter	67 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; radar from the NEXRAD Level II archive.