Alert archive / South Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 18, NWS Greenville-Spartanburg, SC

April 14, 2019Transylvania County, North Carolina; 4 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 14, 2019, 2:12 PM EDT for Transylvania County, North Carolina; 4 counties in South Carolina. It was in force for 33 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
Apr 14, 2019, 2:12 PM EDT (18:12 UTC)
Expired
Apr 14, 2019, 2:45 PM EDT
In force
33 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Transylvania County, NC, Anderson County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 18:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 14, 12:54 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.2 hours before the alert went out and 232 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 2019-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 413 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 2019-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 390 square meters per square second.19395878Sfc1 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
413 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
390 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.4

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 Apr 14, 1:43 PM EDT, 29 minutes earlier.

Area forecast discussion, Apr 14, 1:43 PM EDT, 29 minutes before
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Hazardous weather outlook, Apr 14, 6:10 AM EDT, 8 hours 2 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
610 AM EDT Sun Apr 14 2019

GAZ010-017-018-026-028-029-NCZ035>037-056-057-065-068>072-082-
501>504-506>510-SCZ001>014-019-151015-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Alexander-Iredell-
Davie-Catawba-Rowan-Henderson-Cleveland-Lincoln-Gaston-Mecklenburg-
Cabarrus-Union-Caldwell Mountains-Greater Caldwell-Burke Mountains-
Greater Burke-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-
610 AM EDT Sun Apr 14 2019

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

.DAY ONE...Today and tonight.

Strong to severe thunderstorms are expected today. The primary threat
will be damaging winds, though large hail and isolated tornadoes
cannot be ruled out. Heavy rain may lead to isolated flash flooding,
especially in areas that experience multiple rounds of thunderstorms.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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.

NCZ033-048>053-058-059-062>064-505-151015-
Avery-Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Graham-
Northern Jackson-Macon-Southern Jackson-Transylvania-
McDowell Mountains-
610 AM EDT Sun Apr 14 2019

...HIGH WIND WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING ABOVE
3500 FEET...

This Hazardous Weather Outlook is for western North Carolina.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

Strong to severe thunderstorms are expected today. The primary threat
will be damaging winds, though large hail and isolated tornadoes
cannot be ruled out. Heavy rain may lead to isolated flash flooding,
especially in areas that experience multiple rounds of thunderstorms.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected.

.SPOTTER INFORMATION STATEMENT...

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

SGL

In the hours before

Special weather statement, Apr 14, 1:22 PM EDT, 50 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
122 PM EDT Sun Apr 14 2019

GAZ018-026-028-SCZ004-010-141745-
Hart GA-Franklin GA-Stephens GA-Greater Oconee SC-Anderson SC-
122 PM EDT Sun Apr 14 2019

...A STRONG THUNDERSTORM WILL IMPACT FRANKLIN...SOUTHEASTERN
STEPHENS...HART...WEST CENTRAL ANDERSON AND SOUTHEASTERN OCONEE
COUNTIES UNTIL 145 PM EDT...

At 122 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Carnesville, or 6 miles north of Ila, moving
northeast at 55 mph.

Locations to be impacted include...
Hartwell, Carnesville, Royston, Reed Creek, Lavonia, Gumlog, Canon,
Franklin Springs, Bowersville and Martin.

Wind gusts up to 45 mph 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.

&&

A Tornado Watch remains in effect until 700 PM EDT for northeastern
Georgia...and Upstate South Carolina.

LAT...LON 3425 8334 3426 8334 3433 8339 3434 8339
      3467 8303 3443 8269 3424 8309 3427 8312
      3424 8317 3425 8320 3424 8325 3426 8330
      3423 8335
TIME...MOT...LOC 1722Z 231DEG 49KT 3427 8330

RM
Special weather statement, Apr 14, 1:56 PM EDT, 16 minutes before
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Local storm report, Apr 14, 2:07 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
207 PM EDT SUN APR 14 2019

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

0142 PM     TSTM WND DMG     LAVONIA                 34.44N 83.11W
04/14/2019                   FRANKLIN           GA   COUNTY OFFICIAL

            MANY TREES AND POWERLINES BLOWN DOWN. ONE TREE DOWN ON
            HOUSE.

&&

KRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 12:58 AM EDTAreal Flood AdvisoryGSPCabarrus3 hr
Apr 14, 2:58 AM EDTSpecial Weather StatementGSPTransylvania32 min
Apr 14, 4:27 AM EDTAreal Flood AdvisoryGSPCabarrus4 hr
Apr 14, 11:09 AM EDTTornado WarningGSPDavie, Iredell22 min
Apr 14, 2:58 PM EDTSpecial Weather StatementGSPMcDowell, Polk, Rutherford47 min
Apr 14, 3:12 PM EDTTornado WarningGSPPolk, Rutherford33 min
Apr 14, 3:31 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell, Cleveland, McDowell, Rutherford44 min
Apr 14, 3:33 PM EDTTornado WarningGSPBurke, McDowell, Rutherford27 min
Apr 14, 3:33 PM EDTWind AdvisoryGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more6 hr
Apr 14, 3:55 PM EDTSpecial Weather StatementGSPCaldwell35 min
Apr 14, 4:03 PM EDTSpecial Weather StatementGSPAlexander27 min
Apr 14, 4:20 PM EDTTornado WarningGSPAlexander, Caldwell13 min
Apr 14, 5:00 PM EDTSpecial Weather StatementGSPSwain30 min
Apr 14, 5:29 PM EDTSpecial Weather StatementGSPSwain31 min
Apr 14, 5:34 PM EDTSpecial Weather StatementGSPUnion41 min
Apr 14, 5:50 PM EDTAreal Flood AdvisoryGSPTransylvania17 hr
Apr 14, 5:54 PM EDTSpecial Weather StatementGSPHaywood36 min
Apr 14, 5:57 PM EDTSpecial Weather StatementGSPSwain33 min
Apr 14, 6:13 PM EDTSpecial Weather StatementGSPMacon32 min
Apr 14, 6:15 PM EDTAreal Flood AdvisoryGSPMacon6 hr
Apr 14, 7:33 PM EDTAreal Flood AdvisoryGSPJackson5 hr
Apr 13, 10:57 PM EDTAreal Flood AdvisoryGSPYork3 hr
Apr 14, 1:23 PM EDTSevere Thunderstorm WarningGSPOconee37 min
Apr 14, 1:31 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee44 min
Apr 14, 1:56 PM EDTSpecial Weather StatementGSPOconee34 min
Apr 14, 2:34 PM EDTSpecial Weather StatementGSPGreenville26 min
Apr 14, 2:36 PM EDTSpecial Weather StatementGSPOconee24 min
Apr 14, 1:22 PM EDTSpecial Weather StatementGSPFranklin, Hart23 min
Apr 14, 6:21 PM EDTAreal Flood AdvisoryGSPRabun6 hr
Apr 14, 7:20 PM EDTSpecial Weather StatementGSPHabersham, Rabun25 min
Apr 14, 7:49 PM EDTSpecial Weather StatementGSPRabun26 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2019Severe Thunderstorm Warnings in North 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.