Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 2, 2012Laurens County, Spartanburg County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 2, 2012, 5:34 AM EDT for Laurens County, Spartanburg County, Union County, South Carolina. It was in force for 41 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 2, 2012, 5:34 AM EDT (09:34 UTC)
Expired: Jul 2, 2012, 6:15 AM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC

Counties Laurens County, SC, Spartanburg County, SC, Union County, SC

The radar

The Greer radar (KGSP), 41 km from the middle of the area, began a volume at 09:34 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, 9.6 hours before the alert went out and 228 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: 611 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 2544 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at Jul 2, 4:06 AM EDT, 1 hour 28 minutes earlier.

Area forecast discussion, Jul 2, 4:06 AM EDT, 1 hour 28 minutes before

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Hazardous weather outlook, Jul 2, 3:57 AM EDT, 1 hour 37 minutes before

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In the hours before

Local storm report, Jul 2, 1:53 AM EDT, 3 hours 41 minutes before

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Special weather statement, Jul 2, 1:56 AM EDT, 3 hours 38 minutes before

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Local storm report, Jul 2, 1:59 AM EDT, 3 hours 35 minutes before

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Special weather statement, Jul 2, 2:56 AM EDT, 2 hours 38 minutes before

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Local storm report, Jul 2, 4:30 AM EDT, 1 hour 4 minutes before

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Special weather statement, Jul 2, 5:34 AM EDT, 0 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 1, 8:04 PM EDT	Special Weather Statement	GSP	Mecklenburg	41 min
Jul 1, 8:10 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Gaston, Lincoln, Mecklenburg	34 min
Jul 1, 8:28 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	2 hr
Jul 1, 8:41 PM EDT	Special Weather Statement	GSP	Cabarrus	49 min
Jul 1, 8:58 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Transylvania	47 min
Jul 1, 9:38 PM EDT	Severe Thunderstorm Warning	GSP	Macon, Swain	54 min
Jul 1, 9:40 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon	65 min
Jul 1, 10:06 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Transylvania	54 min
Jul 1, 10:19 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Transylvania	41 min
Jul 1, 11:10 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Madison	65 min
Jul 1, 11:20 PM EDT	Special Weather Statement	GSP	Union	55 min
Jul 1, 11:55 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Madison	65 min
Jul 2, 12:19 AM EDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	56 min
Jul 2, 12:21 AM EDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	54 min
Jul 2, 12:27 AM EDT	Severe Thunderstorm Warning	GSP	Avery, Madison, Mitchell, Yancey	63 min
Jul 2, 1:13 AM EDT	Severe Thunderstorm Warning	GSP	Alexander, Avery, Burke, Caldwell, McDowell, Mitchell and 1 more	62 min
Jul 2, 1:40 AM EDT	Special Weather Statement	GSP	Davie, Iredell	50 min
Jul 2, 1:56 AM EDT	Special Weather Statement	GSP	Catawba	49 min
Jul 2, 2:56 AM EDT	Special Weather Statement	GSP	Graham	49 min
Jul 2, 4:20 AM EDT	Heat Advisory	GSP	Cabarrus, Gaston, Mecklenburg, Union	11 hr
Jul 1, 8:51 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens, Spartanburg	54 min
Jul 1, 9:10 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens, Spartanburg	65 min
Jul 1, 9:43 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville	62 min
Jul 1, 9:50 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	40 min
Jul 1, 10:19 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Union, York	56 min
Jul 1, 10:31 PM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	44 min
Jul 1, 11:06 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Pickens	39 min
Jul 1, 11:12 PM EDT	Special Weather Statement	GSP	Spartanburg	48 min
Jul 1, 11:13 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens, Spartanburg, Union	62 min
Jul 1, 11:22 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Laurens	34 min
Jul 1, 10:45 PM EDT	Severe Thunderstorm Warning	GSP	Franklin, Habersham, Stephens	45 min
Jul 1, 11:35 PM EDT	Special Weather Statement	GSP	Franklin, Habersham, Hart, Rabun, Stephens	55 min

Nearby

Special Weather Statements in South Carolina, 2012 Every special weather statement in 2012

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.