Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 113, NWS Columbia, SC

July 13, 2015Fairfield County, Newberry County, Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jul 13, 2015, 9:49 PM EDT for Fairfield County, Newberry County, Richland County, South Carolina. It was in force for 56 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: Jul 13, 2015, 9:49 PM EDT (01:49 UTC)
Expired: Jul 13, 2015, 10:45 PM EDT
In force: 56 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Fairfield County, SC, Newberry County, SC, Richland County, SC

The radar

The Columbia radar (KCAE), 33 km from the middle of the area, began a volume at 01:51 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 00:00Z, 1.8 hours before the alert went out and 186 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: 2606 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1267 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 8.5

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 Jul 13, 9:03 PM EDT, 46 minutes earlier.

Area forecast discussion, Jul 13, 9:03 PM EDT, 46 minutes before

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In the hours before

Local storm report, Jul 13, 9:11 PM EDT, 38 minutes before

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Local storm report, Jul 13, 9:16 PM EDT, 33 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 13, 8:12 PM EDT	Severe Thunderstorm Warning	CAE	Lancaster	48 min
Jul 13, 9:29 PM EDT	Severe Thunderstorm Warning	CAE	Lancaster	46 min
Jul 13, 9:53 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	22 min
Jul 13, 10:10 PM EDT	Areal Flood Advisory	CAE	Chesterfield, Lancaster	2 hr
Jul 13, 10:17 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lancaster, Lee	58 min
Jul 13, 10:58 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Richland, Sumter	62 min
Jul 13, 11:43 PM EDT	Special Weather Statement	CAE	Lee, Sumter	62 min
Jul 14, 12:37 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon	38 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2015 Every severe thunderstorm warning in 2015

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.