Alert archive / North Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 2, 2018Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 2, 2018, 4:09 PM EDT for Union County, North Carolina. It was in force for 51 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
Aug 2, 2018, 4:09 PM EDT (20:09 UTC)
Expired
Aug 2, 2018, 5:00 PM EDT
In force
51 min
Issued by
NWS Greenville-Spartanburg, SC

County Union County, NC

The radar

The Columbia radar (KCAE), 142 km from the middle of the area, began a volume at 20:13 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 12:00Z, 8.2 hours before the alert went out and 120 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, Greensboro/Hi Pt, NC at 12:00Z on 2018-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1565 joules per kilogram.LCLEL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2018-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.193958Sfc1 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
1565 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
455 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.4

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 Aug 2, 2:46 PM EDT, 1 hour 23 minutes earlier.

Area forecast discussion, Aug 2, 2:46 PM EDT, 1 hour 23 minutes before
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Hazardous weather outlook, Aug 2, 3:29 PM EDT, 40 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
329 PM EDT Thu Aug 2 2018

GAZ010-017-018-026-028-029-NCZ048-051>053-058-059-062>065-068>071-
082-507>510-SCZ001>014-019-031930-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Madison-Swain-Haywood-
Buncombe-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-
Henderson-Cleveland-Lincoln-Gaston-Mecklenburg-Union-
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-
329 PM EDT Thu Aug 2 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY MORNING...

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

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

In addition to the flash flood threat, scattered thunderstorms this
afternoon and evening will be capable of dangerous cloud-to-ground
lightning. A couple of the storms could also produce severe weather,
in the form of a brief damaging wind gust, mainly over the Piedmont.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Even following the end of the Flash Flood Watch Friday morning,
conditions will remain favorable for localized heavy rainfall each
afternoon Friday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to forward any reports of damaging winds or
flash flooding to our office.

NCZ033-035>037-049-050-056-057-072-501>506-031930-
Avery-Alexander-Iredell-Davie-Yancey-Mitchell-Catawba-Rowan-Cabarrus-
Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke-
McDowell Mountains-Eastern McDowell-
329 PM EDT Thu Aug 2 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING...

This Hazardous Weather Outlook is for piedmont North Carolina and
western North Carolina.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

In addition to the flash flood threat, scattered thunderstorms this
afternoon and evening will be capable of dangerous cloud-to-ground
lightning. A couple of the storms could also produce severe weather,
in the form of a brief damaging wind gust, mainly over the Piedmont.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Even following the end of the Flash Flood Watch Friday morning,
conditions will remain favorable for localized heavy rainfall each
afternoon Friday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to forward any reports of damaging winds or
flash flooding to our office.

ARK

In the hours before

Special weather statement, Aug 2, 1:25 PM EDT, 2 hours 44 minutes before
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Special weather statement, Aug 2, 2:14 PM EDT, 1 hour 55 minutes before
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Special weather statement, Aug 2, 2:30 PM EDT, 1 hour 39 minutes before
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Special weather statement, Aug 2, 2:56 PM EDT, 1 hour 13 minutes before
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Special weather statement, Aug 2, 3:06 PM EDT, 1 hour 3 minutes before
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Special weather statement, Aug 2, 4:09 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.

IssuedProductOfficeCountiesLasted
Aug 1, 8:39 PM EDTSpecial Weather StatementGSPCabarrus, Union36 min
Aug 1, 9:01 PM EDTSpecial Weather StatementGSPCabarrus, Rowan29 min
Aug 2, 10:31 AM EDTRiver Flood WarningGSPHenderson, Transylvania3 days
Aug 2, 11:17 AM EDTSpecial Weather StatementGSPRutherford43 min
Aug 2, 11:45 AM EDTSpecial Weather StatementGSPPolk45 min
Aug 2, 11:59 AM EDTSpecial Weather StatementGSPCleveland46 min
Aug 2, 12:42 PM EDTSpecial Weather StatementGSPCatawba48 min
Aug 2, 12:54 PM EDTAreal Flood WarningGSPTransylvania9 hr
Aug 2, 1:25 PM EDTSpecial Weather StatementGSPAlexander, Catawba65 min
Aug 2, 2:14 PM EDTSpecial Weather StatementGSPIredell31 min
Aug 2, 2:56 PM EDTSpecial Weather StatementGSPDavie, Iredell49 min
Aug 2, 4:28 PM EDTAreal Flood AdvisoryGSPUnion2 hr
Aug 2, 4:41 PM EDTSpecial Weather StatementGSPCleveland49 min
Aug 2, 4:53 PM EDTSpecial Weather StatementGSPCabarrus37 min
Aug 2, 5:12 PM EDTAreal Flood AdvisoryGSPCabarrus, Rowan5 hr
Aug 2, 5:26 PM EDTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln49 min
Aug 2, 5:39 PM EDTSpecial Weather StatementGSPDavie51 min
Aug 2, 6:06 PM EDTSpecial Weather StatementGSPAlexander, Catawba, Iredell, Lincoln39 min
Aug 2, 6:14 PM EDTSpecial Weather StatementGSPGaston46 min
Aug 2, 6:36 PM EDTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell, Lincoln, Rowan39 min
Aug 2, 6:37 PM EDTAreal Flood AdvisoryGSPGaston6 hr
Aug 2, 6:40 PM EDTAreal Flood AdvisoryGSPAlexander, Iredell110 min
Aug 2, 6:58 PM EDTAreal Flood AdvisoryGSPCatawba, Lincoln6 hr
Aug 2, 7:13 PM EDTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell, Lincoln, Rowan47 min
Aug 2, 7:14 PM EDTFlash Flood WarningGSPIredell6 hr
Aug 2, 7:26 PM EDTAreal Flood AdvisoryGSPIredell, Mecklenburg9 hr
Aug 1, 9:16 PM EDTSpecial Weather StatementGSPAbbeville44 min
Aug 1, 9:38 PM EDTSevere Thunderstorm WarningGSPAbbeville52 min
Aug 1, 9:46 PM EDTTornado WarningGSPAbbeville29 min
Aug 1, 10:16 PM EDTSpecial Weather StatementGSPAbbeville29 min
Aug 1, 10:24 PM EDTSpecial Weather StatementGSPAbbeville36 min
Aug 1, 10:49 PM EDTSpecial Weather StatementGSPAbbeville26 min
Aug 1, 11:19 PM EDTSpecial Weather StatementGSPLaurens41 min
Aug 1, 11:38 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens22 min
Aug 2, 12:01 AM EDTSpecial Weather StatementGSPSpartanburg44 min
Aug 2, 12:48 AM EDTSpecial Weather StatementGSPSpartanburg42 min
Aug 2, 1:07 AM EDTSpecial Weather StatementGSPGreenville38 min
Aug 2, 1:27 AM EDTSpecial Weather StatementGSPCherokee48 min
Aug 2, 9:00 AM EDTAreal Flood AdvisoryGSPOconee, Pickens2 hr
Aug 2, 1:18 PM EDTSpecial Weather StatementGSPOconee42 min
Aug 2, 2:30 PM EDTSpecial Weather StatementGSPGreenville, Pickens45 min
Aug 2, 3:06 PM EDTSpecial Weather StatementGSPGreenville24 min
Aug 2, 4:22 PM EDTSpecial Weather StatementGSPAbbeville23 min
Aug 2, 5:57 PM EDTSpecial Weather StatementGSPUnion33 min
Aug 2, 6:00 PM EDTSpecial Weather StatementGSPYork45 min
Aug 1, 8:51 PM EDTSpecial Weather StatementGSPElbert24 min
Aug 1, 9:32 PM EDTSpecial Weather StatementGSPFranklin43 min
Aug 1, 9:57 PM EDTSevere Thunderstorm WarningGSPElbert, Franklin, Hart48 min

Nearby

Special Weather Statements in North Carolina, 2018Every special weather statement 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.