Alert archive / South Carolina / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 188, NWS Greenville-Spartanburg, SC

July 14, 2017Greenville County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 14, 2017, 9:15 PM EDT for Greenville County, Spartanburg County, South Carolina. It was in force for 45 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: Jul 14, 2017, 9:15 PM EDT (01:15 UTC)
Expired: Jul 14, 2017, 10:00 PM EDT
In force: 45 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Greenville County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 5 km from the middle of the area, began a volume at 01:18 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 00:00Z, 1.3 hours before the alert went out and 274 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: 1420 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1403 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: -8 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 Jul 14, 7:59 PM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jul 14, 7:59 PM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jul 14, 8:35 PM EDT, 40 minutes before

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In the hours before

Special weather statement, Jul 14, 7:31 PM EDT, 1 hour 44 minutes before

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Special weather statement, Jul 14, 8:04 PM EDT, 1 hour 11 minutes before

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Special weather statement, Jul 14, 8:24 PM EDT, 51 minutes before

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Special weather statement, Jul 14, 8:31 PM EDT, 44 minutes before

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Special weather statement, Jul 14, 9:00 PM EDT, 15 minutes before

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Special weather statement, Jul 14, 9:03 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.

Issued	Product	Office	Counties	Lasted
Jul 15, 12:56 PM EDT	Special Weather Statement	GSP	Henderson	49 min
Jul 15, 1:04 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk, Transylvania	41 min
Jul 15, 1:53 PM EDT	Special Weather Statement	GSP	Henderson	37 min
Jul 15, 2:20 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	40 min
Jul 15, 2:31 PM EDT	Special Weather Statement	GSP	Rowan	29 min
Jul 15, 2:35 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	25 min
Jul 15, 2:40 PM EDT	Special Weather Statement	GSP	Transylvania	50 min
Jul 15, 2:43 PM EDT	Special Weather Statement	GSP	Cleveland	32 min
Jul 15, 2:48 PM EDT	Special Weather Statement	GSP	McDowell	27 min
Jul 15, 2:55 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Rutherford	50 min
Jul 15, 3:10 PM EDT	Special Weather Statement	GSP	Mecklenburg	35 min
Jul 15, 3:19 PM EDT	Special Weather Statement	GSP	Burke	26 min
Jul 15, 3:22 PM EDT	Severe Thunderstorm Warning	GSP	Burke	53 min
Jul 15, 3:27 PM EDT	Special Weather Statement	GSP	Cleveland	33 min
Jul 15, 3:32 PM EDT	Special Weather Statement	GSP	Alexander	28 min
Jul 15, 3:34 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	41 min
Jul 15, 3:43 PM EDT	Severe Thunderstorm Warning	GSP	Union	47 min
Jul 15, 3:48 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba	42 min
Jul 15, 4:27 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Catawba, Iredell, Lincoln	48 min
Jul 15, 5:05 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Catawba, Davie, Iredell, Mecklenburg, Rowan	40 min
Jul 15, 5:48 PM EDT	Special Weather Statement	GSP	Rowan	42 min
Jul 14, 8:04 PM EDT	Special Weather Statement	GSP	Pickens	26 min
Jul 14, 8:24 PM EDT	Special Weather Statement	GSP	Greenville	36 min
Jul 14, 8:31 PM EDT	Special Weather Statement	GSP	Pickens	29 min
Jul 14, 9:00 PM EDT	Special Weather Statement	GSP	Anderson	30 min
Jul 14, 9:03 PM EDT	Special Weather Statement	GSP	Greenville	27 min
Jul 14, 9:06 PM EDT	Areal Flood Advisory	GSP	Oconee	114 min
Jul 14, 9:57 PM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	108 min
Jul 15, 1:17 PM EDT	Special Weather Statement	GSP	Greenville	28 min
Jul 15, 1:49 PM EDT	Special Weather Statement	GSP	Greenville	26 min
Jul 15, 1:51 PM EDT	Special Weather Statement	GSP	Spartanburg	24 min
Jul 15, 2:14 PM EDT	Special Weather Statement	GSP	Greenville	31 min
Jul 15, 2:28 PM EDT	Special Weather Statement	GSP	Spartanburg	32 min
Jul 15, 3:03 PM EDT	Special Weather Statement	GSP	Cherokee	27 min
Jul 15, 3:14 PM EDT	Special Weather Statement	GSP	Oconee	31 min
Jul 15, 3:58 PM EDT	Special Weather Statement	GSP	Union	32 min
Jul 15, 4:15 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee	45 min
Jul 15, 4:31 PM EDT	Special Weather Statement	GSP	Chester	29 min
Jul 15, 4:47 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	43 min
Jul 15, 4:49 PM EDT	Severe Thunderstorm Warning	GSP	Chester	41 min
Jul 15, 5:24 PM EDT	Special Weather Statement	GSP	Abbeville	36 min
Jul 15, 5:42 PM EDT	Special Weather Statement	GSP	Laurens	33 min
Jul 15, 4:05 PM EDT	Special Weather Statement	GSP	Hart	25 min
Jul 15, 4:12 PM EDT	Special Weather Statement	GSP	Stephens	33 min
Jul 15, 4:56 PM EDT	Special Weather Statement	GSP	Habersham	34 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2017 Every severe thunderstorm warning in 2017

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.