Alert archive / South Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Greenville-Spartanburg, SC

June 12, 2011Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jun 12, 2011, 12:13 AM EDT for Laurens County, South Carolina. It was in force for 32 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: Jun 12, 2011, 12:13 AM EDT (04:13 UTC)
Expired: Jun 12, 2011, 12:45 AM EDT
In force: 32 min
Issued by: NWS Greenville-Spartanburg, SC

County Laurens County, SC

The radar

The Greer radar (KGSP), 48 km from the middle of the area, began a volume at 04:13 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, 4.2 hours before the alert went out and 238 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: 155 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1499 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 102 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 Jun 11, 9:59 PM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, Jun 11, 9:59 PM EDT, 2 hours 14 minutes before

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Hazardous weather outlook, Jun 11, 2:32 PM EDT, 9 hours 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
232 PM EDT SAT JUN 11 2011

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-121845-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
232 PM EDT SAT JUN 11 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE THROUGH THIS EVENING.
A FEW OF THESE THUNDERSTORMS WILL LIKELY BECOME SEVERE...PRODUCING
DAMAGING WINDS AND HAIL AS LARGE AS QUARTERS. THE STORMS WILL MOVE
VERY SLOWLY AND LOCALIZED FLOODING MAY RESULT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

A COLD FRONT WILL MOVE INTO THE REGION FROM THE NORTHWEST ON
SUNDAY. SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED AHEAD OF
THE COLD FRONT...WITH SEVERAL STORMS LIKELY BECOMING SEVERE.
DAMAGING STRAIGHT LINE WINDS AND LARGE HAIL WILL BE THE MAIN
CONCERNS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Local storm report, Jun 11, 10:31 PM EDT, 1 hour 42 minutes before

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Local storm report, Jun 11, 10:51 PM EDT, 1 hour 22 minutes before

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Local storm report, Jun 11, 11:16 PM EDT, 57 minutes before

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Local storm report, Jun 11, 11:21 PM EDT, 52 minutes before

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Special weather statement, Jun 11, 11:48 PM EDT, 25 minutes before

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Special weather statement, Jun 12, 12:13 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
Jun 11, 8:25 PM EDT	Special Weather Statement	GSP	Rowan	35 min
Jun 11, 8:44 PM EDT	Special Weather Statement	GSP	Mecklenburg	46 min
Jun 11, 8:46 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	59 min
Jun 11, 8:54 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	66 min
Jun 11, 9:21 PM EDT	Areal Flood Advisory	GSP	Rowan	3 hr
Jun 11, 9:39 PM EDT	Flash Flood Warning	GSP	Cabarrus, Rowan	3 hr
Jun 11, 10:09 PM EDT	Special Weather Statement	GSP	Mecklenburg	51 min
Jun 11, 10:48 PM EDT	Areal Flood Advisory	GSP	Mecklenburg, Union	3 hr
Jun 12, 12:51 AM EDT	Special Weather Statement	GSP	Yancey	24 min
Jun 12, 1:20 AM EDT	Special Weather Statement	GSP	Buncombe	25 min
Jun 12, 4:24 AM EDT	Special Weather Statement	GSP	Catawba	36 min
Jun 12, 1:48 PM EDT	Special Weather Statement	GSP	Haywood, Jackson	57 min
Jun 12, 2:09 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson	39 min
Jun 12, 2:35 PM EDT	Special Weather Statement	GSP	Caldwell	40 min
Jun 12, 2:42 PM EDT	Special Weather Statement	GSP	Buncombe	48 min
Jun 12, 3:21 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	54 min
Jun 12, 3:45 PM EDT	Special Weather Statement	GSP	Graham	45 min
Jun 12, 3:49 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	56 min
Jun 12, 4:08 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Polk, Rutherford	53 min
Jun 12, 4:10 PM EDT	Special Weather Statement	GSP	Catawba	35 min
Jun 12, 4:28 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell, Rowan	62 min
Jun 12, 4:52 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Rowan	53 min
Jun 12, 4:53 PM EDT	Special Weather Statement	GSP	Mitchell	37 min
Jun 12, 6:12 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell, Catawba, Iredell	63 min
Jun 12, 6:29 PM EDT	Special Weather Statement	GSP	Mecklenburg	46 min
Jun 12, 6:42 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell, Lincoln	38 min
Jun 12, 6:54 PM EDT	Special Weather Statement	GSP	Mecklenburg	36 min
Jun 12, 7:11 PM EDT	Special Weather Statement	GSP	Cabarrus	34 min
Jun 12, 7:15 PM EDT	Special Weather Statement	GSP	Union	30 min
Jun 11, 8:46 PM EDT	Severe Thunderstorm Warning	GSP	York	59 min
Jun 11, 9:28 PM EDT	Special Weather Statement	GSP	Greenwood	47 min
Jun 11, 9:32 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	58 min
Jun 11, 11:48 PM EDT	Special Weather Statement	GSP	Union	27 min
Jun 12, 12:44 AM EDT	Special Weather Statement	GSP	Laurens	31 min
Jun 12, 2:47 PM EDT	Special Weather Statement	GSP	Pickens	43 min
Jun 12, 2:51 PM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	54 min
Jun 12, 3:07 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	53 min
Jun 12, 3:59 PM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	61 min
Jun 12, 4:33 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	57 min
Jun 12, 4:36 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Oconee, Pickens	54 min
Jun 12, 5:21 PM EDT	Special Weather Statement	GSP	Cherokee	39 min
Jun 12, 5:40 PM EDT	Special Weather Statement	GSP	Union	50 min
Jun 12, 6:08 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Laurens, Union, York	67 min
Jun 12, 2:54 PM EDT	Severe Thunderstorm Warning	GSP	Habersham, Rabun, Stephens	66 min

Nearby

Special Weather Statements in South Carolina, 2011 Every special weather statement in 2011

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.