Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 118, NWS Greenville-Spartanburg, SC

June 24, 2015Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 24, 2015, 2:28 PM EDT for Rabun County, Georgia. It was in force for 47 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
Jun 24, 2015, 2:28 PM EDT (18:28 UTC)
Expired
Jun 24, 2015, 3:15 PM EDT
In force
47 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Rabun County, GA

The radar

The Greer radar (KGSP), 108 km from the middle of the area, began a volume at 18:30 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, 6.5 hours before the alert went out and 196 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 12:00Z on 2015-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2208 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 12:00Z on 2015-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
2208 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1040 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
51 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 Jun 24, 1:50 PM EDT, 38 minutes earlier.

Area forecast discussion, Jun 24, 1:50 PM EDT, 38 minutes before
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Hazardous weather outlook, Jun 24, 4:56 AM EDT, 9 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
456 AM EDT WED JUN 24 2015

GAZ010-017-018-026-028-NCZ033-035>037-048>053-056>059-062>065-
068>070-501>510-SCZ001>008-010-250900-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-AVERY-ALEXANDER-IREDELL-DAVIE-
MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CLEVELAND-LINCOLN-GASTON-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-ANDERSON-
456 AM EDT WED JUN 24 2015

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

.DAY ONE...TODAY AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON. THE
GREATEST COVERAGE IS FORECAST TO OCCUR WEST OF INTERSTATE 26 LATE
THIS AFTERNOON INTO EARLY THIS EVENING. THE MAIN THREAT WILL BE
CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL. A FEW OF THESE
STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING WIND GUSTS AND
LARGE HAIL.

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

..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.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ029-NCZ071-072-082-SCZ009-011>014-019-250900-
ELBERT-MECKLENBURG-CABARRUS-UNION-YORK-ABBEVILLE-LAURENS-CHESTER-
GREENWOOD-
456 AM EDT WED JUN 24 2015

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

.DAY ONE...TODAY AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE
PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON.
THE GREATEST THUNDERSTORM COVERAGE IS EXPECTED TO OCCUR WEST OF
INTERSTATE 26 LATE THIS AFTERNOON INTO EARLY THIS EVENING. THE
MAIN THREAT WILL BE CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL.
A FEW OF THESE STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING
WIND GUSTS AND LARGE HAIL. IN ADDITION...HEAT INDEX VALUES MAY
PEAK BETWEEN 100 TO 104 DEGREES THIS AFTERNOON. IF
POSSIBLE...DRINK PLENTY OF WATER AND SPEND TIME IN A WELL
VENTILATED OR AIR CONDITIONED AREA THIS AFTERNOON.

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

..THURSDAY...EXCESSIVE HEAT POSSIBLE. HIGH PRESSURE WILL PERSIST
ACROSS THE REGION ON THURSDAY. TEMPERATURES WILL REACH WELL ABOVE
NORMAL LEVELS UNDER THIS HIGH AND COMBINE WITH HIGH
HUMIDITY...PRODUCING DANGEROUS HEAT INDEX VALUES ACROSS THE AREA.
..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.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Jun 24, 11:35 AM EDT, 2 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1135 AM EDT WED JUN 24 2015

GAZ028-029-NCZ070>072-082-SCZ006>014-019-242145-
HART-ELBERT-GASTON-MECKLENBURG-CABARRUS-UNION-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-
GREENWOOD-
INCLUDING THE CITIES OF...HARTWELL...REED CREEK...ELBERTON...
GASTONIA...CHARLOTTE...CONCORD...KANNAPOLIS...MONROE...
INDIAN TRAIL...WEDDINGTON...TRINITY...GREENVILLE...TAYLORS...
GREER...MAULDIN...SIMPSONVILLE...BEREA...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...CALHOUN FALLS...LAURENS...
CLINTON...UNION...CHESTER...GREAT FALLS...GREENWOOD
1135 AM EDT WED JUN 24 2015

      ...ANOTHER DAY OF VERY HOT TEMPERATURES...

TEMPERATURES ARE FORECAST TO PEAK AGAIN THIS AFTERNOON BETWEEN 95
AND 100 DEGREES. FACTORING IN THE HUMIDITY...HEAT INDICES OR THE
WAY IT FEELS WILL BE IN THE 100-105 DEGREE RANGE DURING THE MID
AFTERNOON HOURS. IF YOU WORK OUTDOORS...TAKE PLENTY OF BREAKS OUT
OF THE SUN AND DRINK LOTS OF WATER. DUE TO THE PROLONGED NATURE OF
THE HEAT...THOSE WITHOUT AIR CONDITIONING ARE VULNERABLE TO HEAT
STROKE. THIS IS ESPECIALLY SO FOR THE ELDERLY AND THOSE IN POOR
HEALTH. THOSE VULNERABLE TO THE HEAT SHOULD BE CHECKED ON AND
MOVED TO A COOLER LOCATION IF POSSIBLE.

LG
Special weather statement, Jun 24, 1:31 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
131 PM EDT WED JUN 24 2015

GAZ010-241800-
RABUN GA-
131 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN RABUN
COUNTY UNTIL 200 PM EDT...

AT 131 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES NORTHEAST OF CLAYTON...OR NEAR MOUNTAIN CITY...MOVING SOUTHEAST
AT 10 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOUNTAIN CITY...BLACK ROCK MOUNTAIN STATE PARK AND PINE
MOUNTAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

&&

LAT...LON 3497 8336 3494 8317 3488 8323 3488 8324
      3487 8324 3485 8326 3485 8327 3484 8327
      3482 8331 3490 8341
TIME...MOT...LOC 1731Z 296DEG 9KT 3493 8337

LANE
Special weather statement, Jun 24, 1:44 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
144 PM EDT WED JUN 24 2015

GAZ010-241800-
RABUN GA-
144 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTH CENTRAL RABUN
COUNTY UNTIL 200 PM EDT...

AT 143 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
CLAYTON...OR OVER BLACK ROCK MOUNTAIN STATE PARK...MOVING SOUTHEAST
AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOUNTAIN CITY AND BLACK ROCK MOUNTAIN STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

&&

LAT...LON 3491 8348 3496 8343 3491 8329 3483 8338
TIME...MOT...LOC 1743Z 293DEG 11KT 3490 8340

LANE
Special weather statement, Jun 24, 2:12 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
212 PM EDT WED JUN 24 2015

GAZ010-241845-
RABUN GA-
212 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL RABUN COUNTY
UNTIL 245 PM EDT...

AT 212 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
CLAYTON...OR NEAR TIGER. THIS STORM WAS NEARLY STATIONARY.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...TIGER...BLACK ROCK MOUNTAIN STATE PARK AND SEED LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

&&

LAT...LON 3489 8347 3490 8339 3482 8332 3478 8352
TIME...MOT...LOC 1812Z 354DEG 2KT 3485 8342

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 3:36 PM EDTSpecial Weather StatementGSPJackson39 min
Jun 24, 4:04 PM EDTSpecial Weather StatementGSPHenderson41 min
Jun 24, 4:17 PM EDTSpecial Weather StatementGSPTransylvania43 min
Jun 24, 4:38 PM EDTSevere Thunderstorm WarningGSPHenderson, Transylvania67 min
Jun 24, 5:07 PM EDTSpecial Weather StatementGSPCleveland53 min
Jun 24, 5:33 PM EDTSpecial Weather StatementGSPGaston27 min
Jun 24, 5:51 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston54 min
Jun 24, 5:53 PM EDTSpecial Weather StatementGSPTransylvania52 min
Jun 24, 5:56 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union49 min
Jun 24, 6:09 PM EDTSpecial Weather StatementGSPCleveland66 min
Jun 24, 6:46 PM EDTAreal Flood AdvisoryGSPMecklenburg119 min
Jun 24, 6:57 PM EDTSpecial Weather StatementGSPUnion63 min
Jun 24, 3:09 PM EDTSevere Thunderstorm WarningGSPOconee40 min
Jun 24, 5:15 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens60 min
Jun 24, 5:49 PM EDTSpecial Weather StatementGSPGreenville56 min
Jun 24, 5:59 PM EDTSevere Thunderstorm WarningGSPSpartanburg49 min
Jun 24, 6:15 PM EDTSpecial Weather StatementGSPAnderson60 min
Jun 24, 6:42 PM EDTSevere Thunderstorm WarningGSPYork63 min
Jun 24, 6:50 PM EDTSpecial Weather StatementGSPSpartanburg40 min
Jun 24, 7:11 PM EDTAreal Flood AdvisoryGSPYork2 hr
Jun 24, 7:15 PM EDTSpecial Weather StatementGSPYork30 min
Jun 24, 1:31 PM EDTSpecial Weather StatementGSPRabun29 min
Jun 24, 1:44 PM EDTSpecial Weather StatementGSPRabun16 min
Jun 24, 2:12 PM EDTSpecial Weather StatementGSPRabun33 min
Jun 24, 2:55 PM EDTSpecial Weather StatementGSPRabun50 min
Jun 24, 3:23 PM EDTSpecial Weather StatementGSPTowns67 min
Jun 24, 3:29 PM EDTSevere Thunderstorm WarningGSPHabersham, Rabun30 min
Jun 24, 3:54 PM EDTSevere Thunderstorm WarningGSPStephens51 min
Jun 24, 4:07 PM EDTSevere Thunderstorm WarningGSPHabersham38 min
Jun 24, 4:25 PM EDTSpecial Weather StatementGSPFranklin65 min
Jun 24, 4:52 PM EDTSevere Thunderstorm WarningGSPFranklin53 min
Jun 24, 5:21 PM EDTSevere Thunderstorm WarningGSPElbert, Hart54 min
Jun 24, 5:36 PM EDTAreal Flood AdvisoryGSPFranklin114 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015Every 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.