Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

May 31, 2012Greenwood County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at May 31, 2012, 11:45 PM EDT for Greenwood County, South Carolina. It was in force for 45 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: May 31, 2012, 11:45 PM EDT (03:45 UTC)
Expired: Jun 1, 2012, 12:30 AM EDT
In force: 45 min
Issued by: NWS Greenville-Spartanburg, SC

County Greenwood County, SC

The radar

The Greer radar (KGSP), 88 km from the middle of the area, began a volume at 03:48 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, 3.8 hours before the alert went out and 233 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: 410 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 31, 10:48 PM EDT, 57 minutes earlier.

Area forecast discussion, May 31, 10:48 PM EDT, 57 minutes before

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Hazardous weather outlook, May 31, 8:49 PM EDT, 2 hours 56 minutes before

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In the hours before

Special weather statement, May 31, 10:51 PM EDT, 54 minutes before

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Special weather statement, May 31, 11:14 PM EDT, 31 minutes before

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Special weather statement, May 31, 11:19 PM EDT, 26 minutes before

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Special weather statement, May 31, 11:45 PM 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
May 31, 11:14 PM EDT	Special Weather Statement	GSP	Transylvania	46 min
May 31, 11:19 PM EDT	Special Weather Statement	GSP	Macon	41 min
Jun 1, 12:41 PM EDT	Special Weather Statement	GSP	Graham, Haywood, Jackson, Macon, Swain	64 min
Jun 1, 1:25 PM EDT	Special Weather Statement	GSP	Cabarrus, Rowan	50 min
Jun 1, 1:28 PM EDT	Special Weather Statement	GSP	Madison, Mitchell, Yancey	47 min
Jun 1, 1:38 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	44 min
Jun 1, 2:01 PM EDT	Special Weather Statement	GSP	Union	44 min
Jun 1, 2:20 PM EDT	Special Weather Statement	GSP	Avery, Madison, Mitchell, Yancey	55 min
Jun 1, 2:29 PM EDT	Special Weather Statement	GSP	Rowan	46 min
Jun 1, 2:31 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	29 min
Jun 1, 2:33 PM EDT	Special Weather Statement	GSP	Mecklenburg	42 min
Jun 1, 2:58 PM EDT	Special Weather Statement	GSP	Rowan	47 min
Jun 1, 3:23 PM EDT	Special Weather Statement	GSP	Avery	37 min
Jun 1, 4:09 PM EDT	Special Weather Statement	GSP	Burke, Caldwell, McDowell	36 min
Jun 1, 4:20 PM EDT	Special Weather Statement	GSP	Cabarrus	25 min
Jun 1, 4:49 PM EDT	Special Weather Statement	GSP	Burke	41 min
Jun 1, 4:51 PM EDT	Special Weather Statement	GSP	Rowan	24 min
Jun 1, 6:02 PM EDT	Special Weather Statement	GSP	Gaston	28 min
Jun 1, 6:20 PM EDT	Special Weather Statement	GSP	Gaston	25 min
Jun 1, 6:30 PM EDT	Special Weather Statement	GSP	Union	45 min
Jun 1, 7:10 PM EDT	Special Weather Statement	GSP	Union	50 min
Jun 1, 7:38 PM EDT	Special Weather Statement	GSP	Rowan	37 min
Jun 1, 7:44 PM EDT	Special Weather Statement	GSP	Union	31 min
Jun 1, 1:07 PM EDT	Special Weather Statement	GSP	Chester	53 min
Jun 1, 1:53 PM EDT	Special Weather Statement	GSP	York	37 min
Jun 1, 2:56 PM EDT	Special Weather Statement	GSP	Oconee	34 min
Jun 1, 3:49 PM EDT	Special Weather Statement	GSP	Anderson, Greenville, Pickens	26 min
Jun 1, 5:26 PM EDT	Special Weather Statement	GSP	Union	34 min
Jun 1, 5:57 PM EDT	Special Weather Statement	GSP	York	33 min
Jun 1, 6:29 PM EDT	Special Weather Statement	GSP	York	31 min
Jun 1, 7:06 PM EDT	Special Weather Statement	GSP	York	24 min
Jun 1, 7:11 PM EDT	Severe Thunderstorm Warning	GSP	Chester	24 min
May 31, 10:51 PM EDT	Special Weather Statement	GSP	Habersham	39 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.