Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 172, NWS Greenville-Spartanburg, SC

July 4, 2013Anderson County, Greenville County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 4, 2013, 2:58 PM EDT for Anderson County, Greenville County, Pickens County, South Carolina. It was in force for 62 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 4, 2013, 2:58 PM EDT (18:58 UTC)
Expired: Jul 4, 2013, 4:00 PM EDT
In force: 62 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Anderson County, SC, Greenville County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 35 km from the middle of the area, began a volume at 19:00 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 12:00Z, 7.0 hours before the alert went out and 283 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: 1230 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 468 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 2:08 PM EDT, 50 minutes earlier.

Area forecast discussion, Jul 4, 2:08 PM EDT, 50 minutes before

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Hazardous weather outlook, Jul 4, 5:06 AM EDT, 9 hours 52 minutes before

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In the hours before

Special weather statement, Jul 4, 1:11 PM EDT, 1 hour 47 minutes before

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Special weather statement, Jul 4, 1:45 PM EDT, 1 hour 13 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
Jul 3, 8:08 PM EDT	Areal Flood Advisory	GSP	Buncombe, Henderson, Polk, Rutherford	3 hr
Jul 3, 8:25 PM EDT	Areal Flood Advisory	GSP	Haywood, Jackson, Swain	3 hr
Jul 3, 9:25 PM EDT	Areal Flood Warning	GSP	Avery, Mitchell	3 hr
Jul 3, 9:29 PM EDT	Areal Flood Warning	GSP	Avery, Burke, Caldwell, McDowell	3 hr
Jul 3, 9:43 PM EDT	River Flood Warning	GSP	Madison	59 hr
Jul 3, 9:43 PM EDT	River Flood Warning	GSP	Buncombe	22 hr
Jul 3, 9:57 PM EDT	Areal Flood Warning	GSP	Henderson, Transylvania	3 hr
Jul 3, 9:58 PM EDT	River Flood Warning	GSP	Madison	28 hr
Jul 3, 9:58 PM EDT	River Flood Warning	GSP	Swain	28 hr
Jul 3, 9:58 PM EDT	River Flood Warning	GSP	Haywood	32 hr
Jul 3, 10:25 PM EDT	Areal Flood Warning	GSP	Madison	3 hr
Jul 3, 11:27 PM EDT	Flash Flood Warning	GSP	Cleveland	4 hr
Jul 4, 12:19 AM EDT	Areal Flood Advisory	GSP	Alexander, Catawba, Cleveland, Gaston, Lincoln	2 hr
Jul 4, 12:36 AM EDT	Areal Flood Warning	GSP	Avery, Burke, Caldwell, McDowell, Mitchell, Yancey	6 hr
Jul 4, 3:40 AM EDT	Areal Flood Advisory	GSP	Polk, Rutherford	110 min
Jul 4, 4:14 AM EDT	Special Weather Statement	GSP	Cleveland	61 min
Jul 4, 5:09 AM EDT	Special Weather Statement	GSP	Lincoln	51 min
Jul 4, 5:55 AM EDT	Special Weather Statement	GSP	Catawba	50 min
Jul 4, 6:20 AM EDT	Special Weather Statement	GSP	Alexander	25 min
Jul 4, 8:36 AM EDT	Areal Flood Advisory	GSP	Alexander, Burke, Caldwell, Catawba, Iredell	8 hr
Jul 4, 8:43 AM EDT	Areal Flood Advisory	GSP	Avery, Mitchell	107 min
Jul 4, 9:20 AM EDT	Areal Flood Advisory	GSP	Iredell	2 hr
Jul 4, 9:37 AM EDT	Areal Flood Advisory	GSP	Haywood, Jackson, Macon, Transylvania	113 min
Jul 4, 10:29 AM EDT	Areal Flood Advisory	GSP	Burke, McDowell	6 hr
Jul 4, 10:52 AM EDT	Areal Flood Advisory	GSP	McDowell, Polk, Rutherford	2 hr
Jul 4, 11:33 AM EDT	Areal Flood Advisory	GSP	McDowell, Mitchell, Yancey	117 min
Jul 4, 1:45 PM EDT	Special Weather Statement	GSP	Transylvania	60 min
Jul 4, 1:57 PM EDT	Areal Flood Advisory	GSP	Alexander, Caldwell, Catawba	2 hr
Jul 4, 2:06 PM EDT	Areal Flood Advisory	GSP	Transylvania	3 hr
Jul 4, 2:21 PM EDT	Areal Flood Advisory	GSP	Avery, Burke, Caldwell, McDowell, Mitchell	3 hr
Jul 4, 3:01 PM EDT	Special Weather Statement	GSP	Cabarrus	44 min
Jul 4, 3:06 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg, Union	54 min
Jul 4, 3:09 PM EDT	Areal Flood Advisory	GSP	Buncombe, Henderson, Madison	111 min
Jul 4, 3:16 PM EDT	Areal Flood Advisory	GSP	Jackson, Macon, Transylvania	3 hr
Jul 4, 3:48 PM EDT	Special Weather Statement	GSP	Gaston	42 min
Jul 4, 4:03 PM EDT	Special Weather Statement	GSP	Henderson	42 min
Jul 4, 4:29 PM EDT	Areal Flood Advisory	GSP	Alexander, Burke, Caldwell, Catawba, Iredell, McDowell	24 hr
Jul 4, 5:18 PM EDT	Areal Flood Advisory	GSP	Buncombe, Henderson, McDowell, Madison, Polk, Rutherford and 2 more	3 hr
Jul 4, 5:20 PM EDT	Special Weather Statement	GSP	Iredell	40 min
Jul 4, 5:30 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Rowan	60 min
Jul 4, 5:37 PM EDT	Flash Flood Warning	GSP	Buncombe	4 hr
Jul 4, 5:47 PM EDT	Special Weather Statement	GSP	Alexander	43 min
Jul 4, 7:15 PM EDT	Flash Flood Warning	GSP	Henderson, Transylvania	4 hr
Jul 4, 7:26 PM EDT	Flash Flood Warning	GSP	Polk, Rutherford	4 hr
Jul 4, 7:38 PM EDT	River Flood Warning	GSP	Madison	24 hr
Jul 4, 7:48 PM EDT	Special Weather Statement	GSP	Cleveland	42 min
Jul 4, 7:53 PM EDT	Areal Flood Advisory	GSP	Buncombe, Madison	3 hr
Jul 3, 10:44 PM EDT	Areal Flood Advisory	GSP	Cherokee, Laurens, Spartanburg, Union	3 hr
Jul 4, 1:54 AM EDT	Areal Flood Advisory	GSP	Anderson, Greenville, Oconee, Pickens	2 hr
Jul 4, 2:10 AM EDT	Special Weather Statement	GSP	Greenwood, Laurens	50 min
Jul 4, 2:54 AM EDT	Areal Flood Advisory	GSP	Spartanburg	2 hr
Jul 4, 4:13 AM EDT	Special Weather Statement	GSP	York	47 min
Jul 4, 5:40 AM EDT	Special Weather Statement	GSP	York	50 min
Jul 4, 6:38 AM EDT	Areal Flood Advisory	GSP	Greenwood, Laurens	112 min
Jul 4, 7:00 AM EDT	Special Weather Statement	GSP	Spartanburg	45 min
Jul 4, 8:29 AM EDT	Areal Flood Advisory	GSP	Oconee	2 hr
Jul 4, 10:12 AM EDT	Areal Flood Advisory	GSP	Anderson, Oconee, Pickens	108 min
Jul 4, 10:22 AM EDT	Areal Flood Advisory	GSP	Cherokee, Spartanburg	2 hr
Jul 4, 11:59 AM EDT	Areal Flood Advisory	GSP	Greenwood	2 hr
Jul 4, 12:39 PM EDT	Areal Flood Advisory	GSP	Anderson, Oconee, Pickens	111 min
Jul 4, 1:11 PM EDT	Special Weather Statement	GSP	Oconee	49 min
Jul 4, 1:42 PM EDT	Areal Flood Advisory	GSP	Anderson, Pickens	108 min
Jul 4, 3:30 PM EDT	Special Weather Statement	GSP	Cherokee	45 min
Jul 4, 4:12 PM EDT	Special Weather Statement	GSP	Abbeville	48 min
Jul 4, 4:30 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	60 min
Jul 4, 5:27 PM EDT	Special Weather Statement	GSP	Pickens	48 min
Jul 4, 6:32 PM EDT	Flash Flood Warning	GSP	Greenville, Laurens, Spartanburg	4 hr
Jul 4, 6:42 PM EDT	Areal Flood Advisory	GSP	Anderson, Greenville, Oconee, Pickens	3 hr
Jul 4, 7:18 PM EDT	Special Weather Statement	GSP	Cherokee	42 min
Jul 4, 1:27 AM EDT	Areal Flood Advisory	GSP	Elbert, Franklin, Habersham, Hart, Stephens	2 hr
Jul 4, 8:15 AM EDT	Areal Flood Advisory	GSP	Elbert, Franklin, Hart, Stephens	105 min
Jul 4, 9:10 AM EDT	Areal Flood Advisory	GSP	Rabun	110 min
Jul 4, 11:48 AM EDT	Areal Flood Advisory	GSP	Elbert, Hart	2 hr
Jul 4, 3:50 PM EDT	Areal Flood Advisory	GSP	Elbert, Franklin, Habersham, Hart, Rabun, Stephens	3 hr

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013 Every severe thunderstorm warning in 2013

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.