Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 112, NWS Greenville-Spartanburg, SC

June 16, 2018Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 16, 2018, 3:12 PM EDT for Pickens County, 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
Jun 16, 2018, 3:12 PM EDT (19:12 UTC)
Expired
Jun 16, 2018, 3:45 PM EDT
In force
33 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 19:14 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, 7.2 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2018-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1867 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 2018-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1867 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
483 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
71 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 16, 2:41 PM EDT, 31 minutes earlier.

Area forecast discussion, Jun 16, 2:41 PM EDT, 31 minutes before
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Hazardous weather outlook, Jun 16, 5:43 AM EDT, 9 hours 29 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
543 AM EDT Sat Jun 16 2018

GAZ010-017-018-026-028-NCZ033-035-036-048>053-056-058-059-062>065-
068>070-501>510-SCZ001>008-010-170945-
Rabun-Habersham-Stephens-Franklin-Hart-Avery-Alexander-Iredell-
Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba-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-
543 AM EDT Sat Jun 16 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 to develop across
the area this afternoon and evening. While the main threats will be
from occasional cloud-to-ground lightning and locally heavy
rainfall, an isolated severe storm or two could produce brief
damaging winds and perhaps large hail.

.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.

GAZ029-NCZ037-057-071-072-082-SCZ009-011>014-019-170945-
Elbert-Davie-Rowan-Mecklenburg-Cabarrus-Union-York-Abbeville-Laurens-
Chester-Greenwood-
543 AM EDT Sat Jun 16 2018

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

.DAY ONE...Today and Tonight.

Isolated to scattered thunderstorms are expected to develop across
the area this afternoon and evening. While the main threats will be
from occasional cloud-to-ground lightning and locally heavy
rainfall, an isolated severe storm or two could produce brief
damaging winds and perhaps large hail.

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

..Sunday...No hazardous weather is expected at this time.
..Monday...Excessive heat possible. Heat Index values will reach
100 to 105 degrees.
..Tuesday...Excessive heat possible. Heat Index values will reach
100 to 105 degrees.
..Wednesday...Excessive heat possible. Heat Index values will reach
100 to 105 degrees.
..Thursday...No hazardous weather is expected at this time.
..Friday...No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

Lane

In the hours before

Special weather statement, Jun 16, 2:22 PM EDT, 50 minutes before
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Special weather statement, Jun 16, 2:37 PM EDT, 35 minutes before
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Local storm report, Jun 16, 2:57 PM EDT, 15 minutes before
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Local storm report, Jun 16, 2:59 PM EDT, 13 minutes before
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Special weather statement, Jun 16, 2:59 PM EDT, 13 minutes before
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Local storm report, Jun 16, 3:00 PM EDT, 12 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:29 PM EDTSpecial Weather StatementGSPMcDowell31 min
Jun 16, 1:38 PM EDTSpecial Weather StatementGSPTransylvania37 min
Jun 16, 2:10 PM EDTSevere Thunderstorm WarningGSPTransylvania50 min
Jun 16, 2:17 PM EDTSevere Thunderstorm WarningGSPMacon43 min
Jun 16, 2:22 PM EDTSpecial Weather StatementGSPJackson23 min
Jun 16, 4:38 PM EDTSpecial Weather StatementGSPHaywood37 min
Jun 16, 2:59 PM EDTSpecial Weather StatementGSPOconee31 min
Jun 16, 3:32 PM EDTSpecial Weather StatementGSPOconee28 min
Jun 16, 3:43 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens47 min
Jun 16, 3:54 PM EDTSpecial Weather StatementGSPUnion36 min
Jun 16, 4:19 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens41 min
Jun 16, 4:59 PM EDTSpecial Weather StatementGSPGreenville31 min
Jun 16, 5:18 PM EDTSpecial Weather StatementGSPUnion27 min
Jun 16, 5:30 PM EDTSpecial Weather StatementGSPLaurens30 min
Jun 16, 5:35 PM EDTSevere Thunderstorm WarningGSPUnion29 min
Jun 16, 6:06 PM EDTSpecial Weather StatementGSPUnion24 min
Jun 16, 7:21 PM EDTSpecial Weather StatementGSPAbbeville24 min
Jun 16, 7:56 PM EDTSevere Thunderstorm WarningGSPAbbeville25 min
Jun 16, 1:35 PM EDTSpecial Weather StatementGSPRabun25 min
Jun 16, 1:49 PM EDTSevere Thunderstorm WarningGSPHabersham, Rabun41 min
Jun 16, 2:02 PM EDTSpecial Weather StatementGSPRabun28 min
Jun 16, 2:37 PM EDTSpecial Weather StatementGSPRabun23 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2018Every 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.