Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 146, NWS Greenville-Spartanburg, SC

June 16, 2014York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 16, 2014, 5:54 PM EDT for York County, South Carolina. It was in force for 66 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 16, 2014, 5:54 PM EDT (21:54 UTC)
Expired: Jun 16, 2014, 7:00 PM EDT
In force: 66 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

County York County, SC

The radar

The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 21:54 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 12:00Z, 9.9 hours before the alert went out and 169 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: 704 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1008 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 83 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 3:50 PM EDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jun 16, 3:50 PM EDT, 2 hours 4 minutes before

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Hazardous weather outlook, Jun 16, 3:19 PM EDT, 2 hours 35 minutes before

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In the hours before

Local storm report, Jun 16, 4:43 PM EDT, 1 hour 11 minutes before

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Local storm report, Jun 16, 4:55 PM EDT, 59 minutes before

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Local storm report, Jun 16, 5:06 PM EDT, 48 minutes before

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Local storm report, Jun 16, 5:13 PM EDT, 41 minutes before

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Local storm report, Jun 16, 5:15 PM EDT, 39 minutes before

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Special weather statement, Jun 16, 5:44 PM EDT, 10 minutes before

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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 1:14 PM EDT	Special Weather Statement	GSP	Lincoln	31 min
Jun 16, 1:37 PM EDT	Special Weather Statement	GSP	Avery	23 min
Jun 16, 2:05 PM EDT	Special Weather Statement	GSP	Burke	25 min
Jun 16, 2:17 PM EDT	Special Weather Statement	GSP	Mecklenburg	28 min
Jun 16, 2:45 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	45 min
Jun 16, 2:53 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, McDowell	52 min
Jun 16, 3:06 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	54 min
Jun 16, 3:09 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Rutherford	66 min
Jun 16, 3:14 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	46 min
Jun 16, 3:27 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Catawba, Cleveland, Lincoln	78 min
Jun 16, 4:14 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Rutherford	61 min
Jun 16, 4:46 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	59 min
Jun 16, 4:54 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell	66 min
Jun 16, 3:06 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	39 min
Jun 16, 4:33 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	42 min
Jun 16, 4:38 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens, Spartanburg	52 min
Jun 16, 5:24 PM EDT	Severe Thunderstorm Warning	GSP	York	51 min
Jun 16, 5:44 PM EDT	Special Weather Statement	GSP	Oconee	46 min
Jun 16, 6:10 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	65 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2014 Every severe thunderstorm warning in 2014

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.