Alert archive / Georgia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 42, NWS Greenville-Spartanburg, SC

May 4, 2019Oconee County, South Carolina; Franklin County, Habersham County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 4, 2019, 2:57 PM EDT for Oconee County, South Carolina; Franklin County, Habersham County, Stephens County, Georgia. It was in force for 48 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 4, 2019, 2:57 PM EDT (18:57 UTC)
Expired
May 4, 2019, 3:45 PM EDT
In force
48 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Greer radar (KGSP), 103 km from the middle of the area, began a volume at 18:59 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, 7.0 hours before the alert went out and 175 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 2019-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 872 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 2019-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 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
872 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

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 4, 2:55 PM EDT, 2 minutes earlier.

Area forecast discussion, May 4, 2:55 PM EDT, 2 minutes before
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Hazardous weather outlook, May 4, 3:56 AM EDT, 11 hours 1 minute before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
356 AM EDT Sat May 4 2019

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-050800-
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-
356 AM EDT Sat May 4 2019

This Hazardous Weather Outlook is for northeast Georgia, piedmont
North Carolina, western North Carolina and Upstate South Carolina.

.DAY ONE...Today and tonight.

Numerous thunderstorms are expected to impact the area today,
especially along a developing line of storms expected to sweep
northeast through the region this afternoon and evening. Some of
these thunderstorms will likely become severe, with damaging winds
and large hail being the primary threats. The thunderstorms will move
quickly, but briefly heavy rainfall could produce isolated flooding
of low-lying and poor drainage areas. Expect frequent cloud to ground
lightning in the stronger thunderstorms as well. A few thunderstorms
could linger into the overnight hours.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to forward any reports of large hail,
damaging winds, tornadoes, or flash flooding to our office.

HG

In the hours before

Special weather statement, May 4, 2:16 PM EDT, 41 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
216 PM EDT Sat May 4 2019

GAZ010-017-018-SCZ001-041845-
Rabun GA-Stephens GA-Habersham GA-Oconee Mountains SC-
216 PM EDT Sat May 4 2019

...A STRONG THUNDERSTORM WILL IMPACT WESTERN STEPHENS...HABERSHAM...
RABUN AND NORTHWESTERN OCONEE COUNTIES UNTIL 245 PM EDT...

At 216 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles southeast of Hiawassee, or 4 miles southwest of Moccasin Creek
State Park, moving northeast at 35 mph.

Locations to be impacted include...
Clayton, Clarkesville, Toccoa, Cornelia, Baldwin, Demorest, Mount
Airy, Alto, Mountain City and Tiger.

Wind gusts up to 50 mph and dime size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dime to nickel size hail can cause considerable damage to vehicles.
Consider moving vehicles to a covered storage area before the storm
arrives.

This storm may intensify, so be certain to monitor local radio and tv
stations, as well as local cable tv outlets for additional
information and possible warnings from the National Weather Service.

&&

LAT...LON 3482 8365 3488 8366 3491 8363 3492 8360
      3494 8360 3495 8355 3499 8355 3500 8308
      3447 8339 3449 8354 3443 8362 3450 8367
      3454 8362 3460 8365 3462 8364 3465 8366
      3468 8364 3474 8362 3477 8363 3480 8368
TIME...MOT...LOC 1816Z 234DEG 29KT 3479 8362

Carroll
Local storm report, May 4, 2:19 PM EDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
219 PM EDT SAT MAY 4 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0212 PM     HAIL             4 ESE FALLSTON          35.41N 81.44W
05/04/2019  E0.75 INCH       GASTON             NC   TRAINED SPOTTER

            PENNY SIZED HAIL REPORTED SE OF FALLSTON, NC.

&&

JPT
Special weather statement, May 4, 2:21 PM EDT, 36 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
221 PM EDT Sat May 4 2019

NCZ052-059-041845-
Haywood NC-Northern Jackson NC-
221 PM EDT Sat May 4 2019

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN JACKSON AND
SOUTHEASTERN HAYWOOD COUNTIES UNTIL 245 PM EDT...

At 221 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles south of Waynesville, or near B.R. Parkway-Balsam Gap To Black
Balsam Area, moving northeast at 15 mph.

Locations to be impacted include...
Waynesville, Lake Junaluska, Clyde, Balsam, B.R. Parkway-Black Balsam
To Mount Pisgah, B.R. Parkway-Balsam Gap To Black Balsam Area,
Canton, Black Balsam Area, Maggie Valley and B.R. Parkway-Smoky
Mountains To Balsam Gap.

Wind gusts up to 45 mph and dime size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dime to nickel size hail can cause considerable damage to vehicles.
Consider moving vehicles to a covered storage area before the storm
arrives.

This storm may intensify, so be certain to monitor local radio and tv
stations, as well as local cable tv outlets for additional
information and possible warnings from the National Weather Service.

&&

LAT...LON 3551 8278 3547 8280 3544 8278 3531 8290
      3529 8292 3527 8301 3532 8316 3561 8305
TIME...MOT...LOC 1821Z 203DEG 15KT 3536 8301

Carroll
Special weather statement, May 4, 2:23 PM EDT, 34 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
223 PM EDT Sat May 4 2019

NCZ051-059-062-063-041900-
Swain NC-Southern Jackson NC-Northern Jackson NC-Macon NC-
223 PM EDT Sat May 4 2019

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL MACON...SOUTHWESTERN
JACKSON AND SOUTH CENTRAL SWAIN COUNTIES UNTIL 300 PM EDT...

At 223 PM EDT, Doppler radar was tracking a strong thunderstorm near
Franklin, moving northeast at 15 mph.

Locations to be impacted include...
Franklin, Cullowhee, Lake Glenville, Ellijay, Scaly Mountain,
Savannah, Tuckasegee, Otto, Cullasaja and Cowee.

Wind gusts up to 45 mph and dime size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dime to nickel size hail can cause considerable damage to vehicles.
Consider moving vehicles to a covered storage area before the storm
arrives.

This storm may intensify, so be certain to monitor local radio and tv
stations, as well as local cable tv outlets for additional
information and possible warnings from the National Weather Service.

&&

LAT...LON 3540 8341 3528 8304 3500 8328 3500 8352
      3502 8352
TIME...MOT...LOC 1823Z 203DEG 15KT 3516 8338

Carroll
Special weather statement, May 4, 2:38 PM EDT, 19 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
238 PM EDT Sat May 4 2019

NCZ505-041915-
McDowell Mountains NC-
238 PM EDT Sat May 4 2019

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN MCDOWELL COUNTY
UNTIL 315 PM EDT...

At 238 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles southwest of Marion, or near Old Fort, moving northeast at 10
mph.

Locations to be impacted include...
Old Fort.

Wind gusts up to 45 mph and dime size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio and tv
stations, as well as local cable tv outlets for additional
information and possible warnings from the National Weather Service.

&&

LAT...LON 3558 8220 3562 8223 3573 8214 3564 8206
TIME...MOT...LOC 1838Z 231DEG 10KT 3560 8223

LANE
Special weather statement, May 4, 2:50 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 4, 12:58 PM EDTSpecial Weather StatementGSPGraham, Swain47 min
May 4, 1:33 PM EDTSpecial Weather StatementGSPCleveland27 min
May 4, 1:51 PM EDTSpecial Weather StatementGSPHenderson24 min
May 4, 1:53 PM EDTSpecial Weather StatementGSPCleveland37 min
May 4, 1:57 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln63 min
May 4, 2:06 PM EDTSpecial Weather StatementGSPMcDowell24 min
May 4, 2:21 PM EDTSpecial Weather StatementGSPHaywood24 min
May 4, 2:23 PM EDTSpecial Weather StatementGSPJackson, Macon37 min
May 4, 2:38 PM EDTSpecial Weather StatementGSPMcDowell37 min
May 4, 2:46 PM EDTSevere Thunderstorm WarningGSPMcDowell59 min
May 4, 3:27 PM EDTSpecial Weather StatementGSPAlexander33 min
May 4, 3:35 PM EDTSpecial Weather StatementGSPCabarrus25 min
May 4, 3:40 PM EDTSpecial Weather StatementGSPUnion35 min
May 4, 3:46 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union59 min
May 4, 3:50 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan55 min
May 4, 3:54 PM EDTSevere Thunderstorm WarningGSPBurke, Catawba51 min
May 4, 4:01 PM EDTSpecial Weather StatementGSPRutherford29 min
May 4, 4:04 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg26 min
May 4, 4:06 PM EDTSpecial Weather StatementGSPRutherford24 min
May 4, 4:28 PM EDTSpecial Weather StatementGSPGaston32 min
May 4, 4:36 PM EDTSpecial Weather StatementGSPMecklenburg24 min
May 4, 4:47 PM EDTSpecial Weather StatementGSPRowan28 min
May 4, 4:48 PM EDTSpecial Weather StatementGSPRutherford27 min
May 4, 4:54 PM EDTSpecial Weather StatementGSPCabarrus36 min
May 4, 4:55 PM EDTSpecial Weather StatementGSPRutherford35 min
May 4, 4:58 PM EDTSpecial Weather StatementGSPMecklenburg32 min
May 4, 5:12 PM EDTSevere Thunderstorm WarningGSPCabarrus48 min
May 4, 5:16 PM EDTSpecial Weather StatementGSPRowan14 min
May 4, 5:47 PM EDTSpecial Weather StatementGSPUnion28 min
May 4, 12:47 PM EDTSpecial Weather StatementGSPOconee28 min
May 4, 1:17 PM EDTSpecial Weather StatementGSPOconee28 min
May 4, 1:27 PM EDTSpecial Weather StatementGSPPickens33 min
May 4, 2:11 PM EDTSpecial Weather StatementGSPAnderson34 min
May 4, 2:50 PM EDTSpecial Weather StatementGSPOconee40 min
May 4, 3:05 PM EDTSpecial Weather StatementGSPGreenville25 min
May 4, 3:34 PM EDTSpecial Weather StatementGSPSpartanburg26 min
May 4, 3:36 PM EDTSpecial Weather StatementGSPPickens24 min
May 4, 3:43 PM EDTSpecial Weather StatementGSPUnion32 min
May 4, 4:05 PM EDTSpecial Weather StatementGSPGreenville25 min
May 4, 4:17 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg43 min
May 4, 4:51 PM EDTSpecial Weather StatementGSPLancaster24 min
May 4, 5:14 PM EDTSpecial Weather StatementGSPYork31 min
May 4, 5:27 PM EDTSpecial Weather StatementGSPAbbeville, Greenwood33 min
May 4, 5:57 PM EDTSpecial Weather StatementGSPGreenwood, Laurens33 min
May 4, 12:18 PM EDTSpecial Weather StatementGSPRabun27 min
May 4, 1:16 PM EDTSpecial Weather StatementGSPHabersham29 min
May 4, 1:38 PM EDTSpecial Weather StatementGSPHart37 min
May 4, 2:16 PM EDTSpecial Weather StatementGSPHabersham, Rabun29 min
May 4, 5:01 PM EDTSpecial Weather StatementGSPElbert29 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2019Severe Thunderstorm Warnings in South Carolina, 2019Every severe thunderstorm warning in 2019

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.