Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 224, NWS Greenville-Spartanburg, SC

August 10, 20154 counties in South Carolina; Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 10, 2015, 6:31 PM EDT for 4 counties in South Carolina; Elbert County, Hart County, Georgia. It was in force for 59 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: Aug 10, 2015, 6:31 PM EDT (22:31 UTC)
Expired: Aug 10, 2015, 7:30 PM EDT
In force: 59 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Elbert County, GA, Hart County, GA, Abbeville County, SC, Anderson County, SC, Greenwood County, SC, Oconee County, SC

The radar

The Greer radar (KGSP), 73 km from the middle of the area, began a volume at 22:32 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.5 hours before the alert went out and 200 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: 374 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1079 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 98 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 Aug 10, 4:54 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Aug 10, 4:54 PM EDT, 1 hour 37 minutes before

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Hazardous weather outlook, Aug 10, 3:30 PM EDT, 3 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 PM EDT MON AUG 10 2015

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111930-
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-
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-CHESTER-GREENWOOD-
330 PM EDT MON AUG 10 2015

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

.DAY ONE...TONIGHT.

SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EVENING ACROSS
THE AREA. SCATTERED STRONG STORMS ARE EXPECTED WITH GUSTY WINDS...
HEAVY RAIN...AND FREQUENT CLOUD TO GROUND LIGHTNING. ISOLATED
SEVERE STORMS ARE ALSO EXPECTED TO DEVELOP...WITH DAMAGING WIND
GUSTS THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Aug 10, 5:01 PM EDT, 1 hour 30 minutes before

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Special weather statement, Aug 10, 5:27 PM EDT, 1 hour 4 minutes before

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Special weather statement, Aug 10, 6:00 PM EDT, 31 minutes before

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Local storm report, Aug 10, 6:07 PM EDT, 24 minutes before

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Local storm report, Aug 10, 6:13 PM EDT, 18 minutes before

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Local storm report, Aug 10, 6:30 PM EDT, 1 minute 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
Aug 10, 4:32 PM EDT	Special Weather Statement	GSP	Graham, Swain	43 min
Aug 10, 4:39 PM EDT	Special Weather Statement	GSP	Alexander	51 min
Aug 10, 5:04 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell	41 min
Aug 10, 5:27 PM EDT	Special Weather Statement	GSP	Cleveland	33 min
Aug 10, 5:45 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell	45 min
Aug 10, 6:00 PM EDT	Special Weather Statement	GSP	Catawba, Cleveland, Lincoln	30 min
Aug 10, 6:33 PM EDT	Special Weather Statement	GSP	Gaston, Lincoln, Mecklenburg	27 min
Aug 10, 6:35 PM EDT	Special Weather Statement	GSP	Alexander, Iredell	25 min
Aug 10, 6:44 PM EDT	Special Weather Statement	GSP	Madison	31 min
Aug 10, 7:00 PM EDT	Special Weather Statement	GSP	Gaston, Mecklenburg	30 min
Aug 10, 7:02 PM EDT	Special Weather Statement	GSP	Davie, Iredell, Rowan	28 min
Aug 10, 7:18 PM EDT	Special Weather Statement	GSP	Avery, Mitchell, Yancey	27 min
Aug 10, 7:31 PM EDT	Special Weather Statement	GSP	Cabarrus, Davie, Mecklenburg, Rowan	29 min
Aug 10, 4:25 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	50 min
Aug 10, 4:37 PM EDT	Special Weather Statement	GSP	Greenville	38 min
Aug 10, 5:27 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	63 min
Aug 10, 7:26 PM EDT	Special Weather Statement	GSP	Greenwood	49 min
Aug 10, 1:52 PM EDT	Special Weather Statement	GSP	Elbert	23 min
Aug 10, 2:16 PM EDT	Severe Thunderstorm Warning	GSP	Elbert	59 min
Aug 10, 2:24 PM EDT	Special Weather Statement	GSP	Rabun	51 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2015 Severe Thunderstorm Warnings in Georgia, 2015 Every severe thunderstorm warning in 2015

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.