Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 297, NWS Greenville-Spartanburg, SC

September 3, 2014Chester County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 3, 2014, 4:08 PM EDT for Chester County, York County, South Carolina. It was in force for 52 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: Sep 3, 2014, 4:08 PM EDT (20:08 UTC)
Expired: Sep 3, 2014, 5:00 PM EDT
In force: 52 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Chester County, SC, York County, SC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.1 hours before the alert went out and 180 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1524 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 20 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 Sep 3, 2:50 PM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, Sep 3, 2:50 PM EDT, 1 hour 18 minutes before

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Hazardous weather outlook, Sep 3, 4:12 AM EDT, 11 hours 56 minutes before

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In the hours before

Special weather statement, Sep 3, 1:49 PM EDT, 2 hours 19 minutes before

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Special weather statement, Sep 3, 2:33 PM EDT, 1 hour 35 minutes before

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Special weather statement, Sep 3, 3:19 PM EDT, 49 minutes before

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Special weather statement, Sep 3, 3:46 PM EDT, 22 minutes before

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Special weather statement, Sep 3, 3:52 PM EDT, 16 minutes before

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Special weather statement, Sep 3, 4:05 PM EDT, 3 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
Sep 2, 8:02 PM EDT	Special Weather Statement	GSP	Rowan	43 min
Sep 2, 8:17 PM EDT	Special Weather Statement	GSP	Cabarrus	43 min
Sep 2, 8:21 PM EDT	Special Weather Statement	GSP	Iredell	39 min
Sep 2, 8:27 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	48 min
Sep 2, 8:47 PM EDT	Special Weather Statement	GSP	Avery, Graham, Haywood, Madison, Mitchell, Swain and 1 more	43 min
Sep 2, 9:21 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Madison	54 min
Sep 2, 10:08 PM EDT	Special Weather Statement	GSP	Yancey	52 min
Sep 2, 10:35 PM EDT	Special Weather Statement	GSP	Buncombe	40 min
Sep 2, 11:04 PM EDT	Special Weather Statement	GSP	McDowell	41 min
Sep 2, 11:18 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell	32 min
Sep 3, 5:23 PM EDT	Special Weather Statement	GSP	Madison	52 min
Sep 3, 6:01 PM EDT	Special Weather Statement	GSP	Haywood	44 min
Sep 3, 6:11 PM EDT	Special Weather Statement	GSP	Mecklenburg, Union	64 min
Sep 3, 6:28 PM EDT	Special Weather Statement	GSP	Jackson	47 min
Sep 3, 6:48 PM EDT	Special Weather Statement	GSP	Madison	57 min
Sep 3, 6:49 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	2 hr
Sep 3, 7:16 PM EDT	Flash Flood Warning	GSP	Mecklenburg	3 hr
Sep 3, 7:42 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Mecklenburg	108 min
Sep 3, 7:51 PM EDT	Special Weather Statement	GSP	Transylvania	54 min
Sep 3, 7:53 PM EDT	Special Weather Statement	GSP	Union	67 min
Sep 2, 8:07 PM EDT	Special Weather Statement	GSP	Abbeville	38 min
Sep 2, 8:42 PM EDT	Special Weather Statement	GSP	Cherokee	48 min
Sep 2, 8:54 PM EDT	Special Weather Statement	GSP	Abbeville	51 min
Sep 2, 9:07 PM EDT	Areal Flood Advisory	GSP	Abbeville	113 min
Sep 2, 9:29 PM EDT	Special Weather Statement	GSP	Greenwood	46 min
Sep 2, 10:01 PM EDT	Special Weather Statement	GSP	Anderson	44 min
Sep 3, 1:49 PM EDT	Special Weather Statement	GSP	Laurens	41 min
Sep 3, 2:33 PM EDT	Special Weather Statement	GSP	Greenwood	42 min
Sep 3, 3:19 PM EDT	Special Weather Statement	GSP	Laurens	41 min
Sep 3, 3:46 PM EDT	Special Weather Statement	GSP	Chester	44 min
Sep 3, 3:52 PM EDT	Special Weather Statement	GSP	Greenwood	38 min
Sep 3, 4:05 PM EDT	Special Weather Statement	GSP	Laurens	40 min
Sep 3, 4:42 PM EDT	Areal Flood Advisory	GSP	Greenwood	3 hr
Sep 3, 5:05 PM EDT	Special Weather Statement	GSP	Abbeville	40 min
Sep 3, 5:07 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	38 min
Sep 3, 5:34 PM EDT	Special Weather Statement	GSP	Greenville	41 min
Sep 3, 6:08 PM EDT	Special Weather Statement	GSP	Greenville	52 min
Sep 3, 6:22 PM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	3 hr
Sep 3, 6:43 PM EDT	Special Weather Statement	GSP	Pickens	47 min
Sep 3, 4:57 PM EDT	Special Weather Statement	GSP	Elbert	48 min
Sep 3, 5:03 PM EDT	Areal Flood Advisory	GSP	Elbert	117 min
Sep 3, 5:20 PM EDT	Special Weather Statement	GSP	Hart	40 min
Sep 3, 6:04 PM EDT	Special Weather Statement	GSP	Franklin	41 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.