Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 77, NWS Greenville-Spartanburg, SC

June 2, 2018Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 2, 2018, 2:42 PM EDT for Pickens County, South Carolina. It was in force for 63 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 2, 2018, 2:42 PM EDT (18:42 UTC)
Expired: Jun 2, 2018, 3:45 PM EDT
In force: 63 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Pickens County, SC

The radar

The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 18:46 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, 6.7 hours before the alert went out and 235 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: 1205 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 14 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 2, 1:47 PM EDT, 55 minutes earlier.

Area forecast discussion, Jun 2, 1:47 PM EDT, 55 minutes before

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Hazardous weather outlook, Jun 2, 4:30 AM EDT, 10 hours 12 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
430 AM EDT Sat Jun 2 2018

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-030830-
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-
430 AM EDT Sat Jun 2 2018

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 are expected this afternoon and
evening. While gusty winds, cloud to ground lightning, and brief,
heavy rainfall can be expected with any thunderstorm, one or two of
the storms could produce damaging wind gusts.

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

..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.
..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.

.SPOTTER INFORMATION STATEMENT...

None.

In the hours before

Special weather statement, Jun 2, 1:46 PM EDT, 56 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
146 PM EDT SAT JUN 2 2018

NCZ071-072-021815-
Mecklenburg NC-Cabarrus NC-
146 PM EDT SAT JUN 2 2018

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN CABARRUS AND
SOUTHEASTERN MECKLENBURG COUNTIES UNTIL 215 PM EDT...

At 146 PM EDT, Doppler radar was tracking a strong thunderstorm 6
miles northeast of Uptown Charlotte, or near Hidden Valley, moving
southeast at 20 mph.

Locations to be impacted include...
East Charlotte, Mint Hill, Harrisburg, Reedy Creek Park, The Plaza,
Charlotte Motor Speedway, UNC Charlotte, Hidden Valley and Matthews.

Wind gusts up to 45 mph and half inch hail will be possible in these
areas.

LAT...LON 3518 8058 3510 8069 3527 8085 3539 8078
      3533 8042
TIME...MOT...LOC 1746Z 295DEG 18KT 3528 8075

LANE

Special weather statement, Jun 2, 1:51 PM EDT, 51 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
151 PM EDT SAT JUN 2 2018

SCZ003-006-021815-
Greenville Mountains SC-Greater Greenville SC-
151 PM EDT SAT JUN 2 2018

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN GREENVILLE COUNTY
UNTIL 215 PM EDT...

At 150 PM EDT, Doppler radar was tracking a strong thunderstorm 12
miles north of Greenville Downtown, or near Slater-Marietta, moving
southeast at 15 mph.

Locations to be impacted include...
Travelers Rest, Slater-Marietta, Paris Mountain State Park,
Tigerville, Lake Robinson, Cherrydale Point, Pleasant Ridge State
Park, Furman University and Taylors.

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

LAT...LON 3495 8252 3497 8253 3498 8255 3498 8253
      3500 8254 3501 8254 3501 8260 3504 8259
      3513 8253 3507 8222 3487 8238
TIME...MOT...LOC 1750Z 303DEG 14KT 3502 8247

LANE

Special weather statement, Jun 2, 2:23 PM EDT, 19 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
223 PM EDT SAT JUN 2 2018

NCZ070-071-SCZ009-021900-
Gaston NC-Mecklenburg NC-York SC-
223 PM EDT SAT JUN 2 2018

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN MECKLENBURG...
SOUTHEASTERN GASTON AND NORTHEASTERN YORK COUNTIES UNTIL 300 PM
EDT...

At 222 PM EDT, Doppler radar was tracking a strong thunderstorm 6
miles southeast of Gastonia, or near Cramerton, moving southeast at
20 mph.

Locations to be impacted include...
Gastonia, Southwest Charlotte, Belmont, Tega Cay, Cramerton, Lake
Wylie, Mcadenville, Freedom Park and Charlotte Douglas Airport.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake Wylie is in the path of this storm. Cloud to ground lightning
and gusty winds will create dangerous boating conditions. Move to
shore immediately.

&&

LAT...LON 3515 8120 3527 8109 3519 8084 3500 8105
TIME...MOT...LOC 1822Z 307DEG 17KT 3520 8108

LANE

Special weather statement, Jun 2, 2:33 PM EDT, 9 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
233 PM EDT SAT JUN 2 2018

SCZ002-021900-
Pickens Mountains SC-
233 PM EDT SAT JUN 2 2018

...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL PICKENS COUNTY
UNTIL 300 PM EDT...

At 233 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Pickens, or near Table Rock State Park, moving south
at 15 mph.

Locations to be impacted include...
Table Rock State Park, Jocassee Gorges, Sunset, Pumpkintown, Rocky
Bottom and Sassafras Mountain.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The combination of gusty winds and saturated soil conditions will
cause scattered trees and power lines to fall. Seek shelter inside an
interior room.

&&

LAT...LON 3504 8283 3506 8276 3505 8275 3505 8274
      3506 8273 3505 8272 3506 8271 3506 8267
      3494 8261 3489 8274 3485 8281
TIME...MOT...LOC 1833Z 339DEG 14KT 3500 8273

LANE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 8:17 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg, Union	58 min
Jun 1, 8:54 PM EDT	Severe Thunderstorm Warning	GSP	Union	33 min
Jun 1, 9:17 PM EDT	Special Weather Statement	GSP	Mecklenburg	28 min
Jun 1, 9:30 PM EDT	Special Weather Statement	GSP	Union	60 min
Jun 2, 7:38 AM EDT	Areal Flood Advisory	GSP	Gaston, Mecklenburg	36 hr
Jun 2, 1:46 PM EDT	Special Weather Statement	GSP	Cabarrus	29 min
Jun 2, 2:23 PM EDT	Special Weather Statement	GSP	Mecklenburg	37 min
Jun 2, 2:54 PM EDT	Special Weather Statement	GSP	Union	36 min
Jun 2, 3:04 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	41 min
Jun 2, 3:28 PM EDT	Special Weather Statement	GSP	Union	32 min
Jun 2, 3:53 PM EDT	Special Weather Statement	GSP	Polk, Rutherford	37 min
Jun 2, 3:56 PM EDT	Special Weather Statement	GSP	Burke	34 min
Jun 2, 4:00 PM EDT	Special Weather Statement	GSP	Union	30 min
Jun 2, 4:28 PM EDT	Special Weather Statement	GSP	Yancey	47 min
Jun 2, 5:38 PM EDT	Special Weather Statement	GSP	Davie	37 min
Jun 2, 6:19 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	41 min
Jun 2, 6:23 PM EDT	Special Weather Statement	GSP	Mecklenburg	37 min
Jun 2, 6:48 PM EDT	Special Weather Statement	GSP	Davie	27 min
Jun 2, 7:11 PM EDT	Special Weather Statement	GSP	Cabarrus	34 min
Jun 1, 8:07 PM EDT	Flash Flood Warning	GSP	Cherokee, Chester, York	3 hr
Jun 1, 8:49 PM EDT	Special Weather Statement	GSP	York	26 min
Jun 2, 10:40 AM EDT	Areal Flood Advisory	GSP	Anderson, Oconee	7 days
Jun 2, 1:51 PM EDT	Special Weather Statement	GSP	Greenville	24 min
Jun 2, 2:33 PM EDT	Special Weather Statement	GSP	Pickens	27 min
Jun 2, 3:14 PM EDT	Special Weather Statement	GSP	Pickens	31 min
Jun 2, 3:45 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg, Union	45 min
Jun 2, 3:50 PM EDT	Special Weather Statement	GSP	York	25 min
Jun 2, 4:05 PM EDT	Special Weather Statement	GSP	Anderson	25 min
Jun 2, 4:14 PM EDT	Special Weather Statement	GSP	Oconee	31 min
Jun 2, 4:19 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	41 min
Jun 2, 4:33 PM EDT	Special Weather Statement	GSP	Union	42 min
Jun 2, 4:51 PM EDT	Special Weather Statement	GSP	Spartanburg	24 min
Jun 2, 4:58 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	47 min
Jun 2, 5:00 PM EDT	Special Weather Statement	GSP	York	30 min
Jun 2, 5:07 PM EDT	Special Weather Statement	GSP	Hart	38 min
Jun 2, 5:54 PM EDT	Special Weather Statement	GSP	Madison	36 min
Jun 2, 6:24 PM EDT	Special Weather Statement	GSP	Elbert	36 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2018 Every severe thunderstorm warning in 2018

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.