Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 18, 2017Cherokee County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 18, 2017, 11:18 PM EDT for Cherokee County, South Carolina. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 18, 2017, 11:18 PM EDT (03:18 UTC)
Expired: Jul 18, 2017, 11:45 PM EDT
In force: 27 min
Issued by: NWS Greenville-Spartanburg, SC

County Cherokee County, SC

The radar

The Greer radar (KGSP), 65 km from the middle of the area, began a volume at 03:19 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.3 hours before the alert went out and 192 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: 292 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1806 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: -32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 18, 10:23 PM EDT, 55 minutes earlier.

Area forecast discussion, Jul 18, 10:23 PM EDT, 55 minutes before

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Hazardous weather outlook, Jul 18, 6:51 AM EDT, 16 hours 27 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
651 AM EDT Tue Jul 18 2017

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-191100-
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-
651 AM EDT Tue Jul 18 2017

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 again
across the area this afternoon and evening. The main threats will be
from cloud to ground lightning and locally heavy rainfall. However,
a few storms could become briefly severe, with damaging winds being
the primary threat.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

..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.
..Saturday...No hazardous weather is expected at this time.
..Sunday...No hazardous weather is expected at this time.
..Monday...No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

LANE

In the hours before

Special weather statement, Jul 18, 10:22 PM EDT, 56 minutes before

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Special weather statement, Jul 18, 10:33 PM EDT, 45 minutes before

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Special weather statement, Jul 18, 10:43 PM EDT, 35 minutes before

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Local storm report, Jul 18, 10:51 PM EDT, 27 minutes before

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Local storm report, Jul 18, 11:02 PM EDT, 16 minutes before

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Special weather statement, Jul 18, 11:18 PM EDT, 0 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 18, 8:07 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg, Union	38 min
Jul 18, 8:27 PM EDT	Special Weather Statement	GSP	Mecklenburg	33 min
Jul 18, 8:38 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	37 min
Jul 18, 8:55 PM EDT	Special Weather Statement	GSP	Union	35 min
Jul 18, 9:09 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	51 min
Jul 18, 9:23 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	112 min
Jul 18, 9:23 PM EDT	Special Weather Statement	GSP	Lincoln	37 min
Jul 18, 9:58 PM EDT	Special Weather Statement	GSP	Lincoln	32 min
Jul 18, 10:09 PM EDT	Special Weather Statement	GSP	Cleveland	36 min
Jul 18, 10:22 PM EDT	Special Weather Statement	GSP	Cleveland	23 min
Jul 19, 4:05 PM EDT	Special Weather Statement	GSP	Iredell	25 min
Jul 19, 5:50 PM EDT	Special Weather Statement	GSP	Mecklenburg	25 min
Jul 18, 8:50 PM EDT	Special Weather Statement	GSP	Anderson	25 min
Jul 18, 9:04 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville	41 min
Jul 18, 10:33 PM EDT	Special Weather Statement	GSP	York	27 min
Jul 18, 10:43 PM EDT	Special Weather Statement	GSP	Cherokee	32 min
Jul 18, 11:53 PM EDT	Special Weather Statement	GSP	Spartanburg	52 min
Jul 19, 12:48 AM EDT	Special Weather Statement	GSP	Laurens	27 min
Jul 19, 5:09 PM EDT	Special Weather Statement	GSP	Oconee	36 min
Jul 19, 6:16 PM EDT	Special Weather Statement	GSP	Chester	29 min
Jul 19, 6:22 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	68 min
Jul 19, 6:27 PM EDT	Special Weather Statement	GSP	Cherokee	33 min
Jul 19, 7:27 PM EDT	Special Weather Statement	GSP	Chester	48 min
Jul 19, 6:26 PM EDT	Special Weather Statement	GSP	Stephens	34 min
Jul 19, 7:00 PM EDT	Severe Thunderstorm Warning	GSP	Habersham, Stephens	32 min
Jul 19, 7:06 PM EDT	Areal Flood Advisory	GSP	Stephens	114 min

Nearby

Special Weather Statements in South Carolina, 2017 Every special weather statement 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.