Alert archive / North Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 1, 2017Gaston County, Lincoln County, North Carolina; York County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 1, 2017, 9:01 PM EDT for Gaston County, Lincoln County, North Carolina; York County, South Carolina. It was in force for 29 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 1, 2017, 9:01 PM EDT (01:01 UTC)
Expired: Jul 1, 2017, 9:30 PM EDT
In force: 29 min
Issued by: NWS Greenville-Spartanburg, SC

Counties Gaston County, NC, Lincoln County, NC, York County, SC

The radar

The Greer radar (KGSP), 117 km from the middle of the area, began a volume at 01:03 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

Charleston AFB, SC (KCHS), launched 00:00Z, 1.0 hours before the alert went out and 279 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: 922 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1309 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 31 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 1, 7:41 PM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, Jul 1, 7:41 PM EDT, 1 hour 20 minutes before

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Hazardous weather outlook, Jul 1, 5:32 PM EDT, 3 hours 29 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
532 PM EDT Sat Jul 1 2017

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-021100-
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-
532 PM EDT Sat Jul 1 2017

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

.DAY ONE...Tonight.

A moist and unstable airmass persists across the region. Scattered to
numerous showers and thunderstorms will continue into the evening,
before gradually waning after dark. Until then some of the stronger
storms may produce damaging winds, large hail and torrential
rainfall. The torrential rain could generate local flooding issues.
Frequent and dangerous cloud to ground lightning strikes are likely.

.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...

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

Sturey

In the hours before

Special weather statement, Jul 1, 7:53 PM EDT, 1 hour 8 minutes before

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Special weather statement, Jul 1, 7:57 PM EDT, 1 hour 4 minutes before

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Special weather statement, Jul 1, 8:32 PM EDT, 29 minutes before

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Special weather statement, Jul 1, 8:38 PM EDT, 23 minutes before

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Special weather statement, Jul 1, 8:40 PM EDT, 21 minutes before

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Special weather statement, Jul 1, 9:01 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 1, 8:32 PM EDT	Special Weather Statement	GSP	Cleveland	43 min
Jul 1, 9:31 PM EDT	Special Weather Statement	GSP	Mecklenburg	29 min
Jul 2, 2:41 PM EDT	Special Weather Statement	GSP	Polk	49 min
Jul 1, 8:38 PM EDT	Special Weather Statement	GSP	Greenwood	37 min
Jul 1, 8:40 PM EDT	Special Weather Statement	GSP	Laurens, Union	35 min
Jul 1, 9:04 PM EDT	Special Weather Statement	GSP	Cherokee, Laurens, Union	26 min
Jul 1, 9:30 PM EDT	Special Weather Statement	GSP	Chester, Union, York	30 min
Jul 2, 2:15 PM EDT	Special Weather Statement	GSP	Oconee	30 min
Jul 2, 5:47 PM EDT	Special Weather Statement	GSP	Oconee	28 min
Jul 2, 6:15 PM EDT	Special Weather Statement	GSP	Pickens	30 min
Jul 2, 6:17 PM EDT	Special Weather Statement	GSP	Oconee	43 min
Jul 2, 6:23 PM EDT	Special Weather Statement	GSP	Greenville	52 min
Jul 2, 6:25 PM EDT	Special Weather Statement	GSP	Greenville	35 min
Jul 2, 6:38 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens	52 min
Jul 2, 7:09 PM EDT	Special Weather Statement	GSP	Spartanburg	36 min
Jul 2, 7:18 PM EDT	Special Weather Statement	GSP	Greenville	27 min
Jul 2, 7:35 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	40 min
Jul 2, 3:41 PM EDT	Special Weather Statement	GSP	Franklin	34 min
Jul 2, 4:01 PM EDT	Severe Thunderstorm Warning	GSP	Franklin	31 min
Jul 2, 4:15 PM EDT	Special Weather Statement	GSP	Hart	45 min
Jul 2, 4:25 PM EDT	Special Weather Statement	GSP	Hart	50 min
Jul 2, 4:44 PM EDT	Special Weather Statement	GSP	Elbert	61 min
Jul 2, 4:58 PM EDT	Severe Thunderstorm Warning	GSP	Elbert	41 min

Nearby

Special Weather Statements in North Carolina, 2017 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.