Alert archive / Georgia / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 65, NWS Greenville-Spartanburg, SC

May 22, 2013Oconee County, South Carolina; Franklin County, Hart County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 22, 2013, 9:04 PM EDT for Oconee County, South Carolina; Franklin County, Hart County, Stephens County, Georgia. It was in force for 56 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
May 22, 2013, 9:04 PM EDT (01:04 UTC)
Expired
May 22, 2013, 10:00 PM EDT
In force
56 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Franklin County, GA, Hart County, GA, Stephens County, GA, Oconee County, SC

The radar

The Greer radar (KGSP), 94 km from the middle of the area, began a volume at 01:07 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 00:00Z, 1.1 hours before the alert went out and 178 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2013-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 394 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2013-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
394 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1535 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-9 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 May 22, 8:22 PM EDT, 42 minutes earlier.

Area forecast discussion, May 22, 8:22 PM EDT, 42 minutes before
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Hazardous weather outlook, May 22, 4:10 PM EDT, 4 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
410 PM EDT WED MAY 22 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-231100-
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-
410 PM EDT WED MAY 22 2013

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

.DAY ONE...TONIGHT.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO
DEVELOP ACROSS THE REGION THIS EVENING. A FEW OF THE STORMS WILL
BECOME SEVERE...PRODUCING DAMAGING WINDS AND LARGE HAIL. SOME OF
STORMS WILL ALSO PRODUCE LOCALLY HEAVY RAINFALL...WHICH COULD
LEAD TO FLOOD ISSUES. EVEN AS WE REACH THE OVERNIGHT HOURS...
SHOWERS AND THUNDERSTORMS...SOME POTENTIALLY SEVERE...MAY STILL
BE ONGOING...PARTICULARLY AREAS WEST OF INTERSTATE 26.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THERE IS A POTENTIAL FOR STRONG THUNDERSTORMS THURSDAY DURING THE
PEAK DAYTIME HEATING HOURS.

.SPOTTER INFORMATION STATEMENT...

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

STUREY

In the hours before

Special weather statement, May 22, 8:01 PM EDT, 1 hour 3 minutes before
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Special weather statement, May 22, 8:27 PM EDT, 37 minutes before
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Special weather statement, May 22, 8:50 PM EDT, 14 minutes before
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Special weather statement, May 22, 8:52 PM EDT, 12 minutes before
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Special weather statement, May 22, 8:55 PM EDT, 9 minutes before
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Special weather statement, May 22, 8:57 PM EDT, 7 minutes before
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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 8:27 PM EDTSpecial Weather StatementGSPRutherford33 min
May 22, 8:43 PM EDTAreal Flood AdvisoryGSPBurke, McDowell, Polk, Rutherford107 min
May 22, 8:50 PM EDTSpecial Weather StatementGSPMacon25 min
May 22, 8:57 PM EDTSpecial Weather StatementGSPDavie33 min
May 22, 9:12 PM EDTSpecial Weather StatementGSPTransylvania33 min
May 22, 9:33 PM EDTSpecial Weather StatementGSPBuncombe27 min
May 22, 9:42 PM EDTSpecial Weather StatementGSPCabarrus33 min
May 22, 10:07 PM EDTSpecial Weather StatementGSPYancey23 min
May 22, 10:45 PM EDTSpecial Weather StatementGSPBurke, McDowell, Rutherford60 min
May 23, 2:12 PM EDTSpecial Weather StatementGSPPolk33 min
May 23, 2:31 PM EDTSpecial Weather StatementGSPAlexander, Caldwell, Catawba44 min
May 23, 3:16 PM EDTSpecial Weather StatementGSPCleveland29 min
May 23, 3:26 PM EDTSpecial Weather StatementGSPPolk34 min
May 23, 3:33 PM EDTSpecial Weather StatementGSPAlexander27 min
May 23, 3:58 PM EDTSpecial Weather StatementGSPPolk32 min
May 23, 4:11 PM EDTSpecial Weather StatementGSPYadkin34 min
May 23, 4:35 PM EDTSpecial Weather StatementGSPDavie40 min
May 22, 9:10 PM EDTSpecial Weather StatementGSPSpartanburg35 min
May 22, 9:28 PM EDTSpecial Weather StatementGSPAnderson32 min
May 22, 9:30 PM EDTSpecial Weather StatementGSPPickens30 min
May 22, 9:43 PM EDTSpecial Weather StatementGSPAbbeville32 min
May 22, 9:53 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens67 min
May 22, 9:57 PM EDTSevere Thunderstorm WarningGSPAnderson63 min
May 22, 10:05 PM EDTSpecial Weather StatementGSPGreenville25 min
May 22, 10:29 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg61 min
May 22, 10:55 PM EDTSpecial Weather StatementGSPLaurens50 min
May 23, 4:14 PM EDTSevere Thunderstorm WarningGSPSpartanburg61 min
May 23, 4:41 PM EDTSpecial Weather StatementGSPYork49 min
May 23, 5:10 PM EDTSpecial Weather StatementGSPCherokee50 min
May 22, 8:01 PM EDTSpecial Weather StatementGSPStephens29 min
May 22, 8:52 PM EDTSpecial Weather StatementGSPStephens23 min
May 22, 8:55 PM EDTSpecial Weather StatementGSPElbert35 min
May 22, 10:57 PM EDTSpecial Weather StatementGSPFranklin48 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2013Severe Thunderstorm Warnings in South Carolina, 2013Every 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.