Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 246, NWS Greenville-Spartanburg, SC

September 4, 20154 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 4, 2015, 8:01 PM EDT for 4 counties in North Carolina. It was in force for 44 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
Sep 4, 2015, 8:01 PM EDT (00:01 UTC)
Expired
Sep 4, 2015, 8:45 PM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Alexander County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC

The radar

The Greer radar (KGSP), 128 km from the middle of the area, began a volume at 00:04 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, 0.0 hours before the alert went out and 139 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 00:00Z on 2015-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 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, Greensboro/Hi Pt, NC at 00:00Z on 2015-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
794 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
-25 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 Sep 4, 7:47 PM EDT, 14 minutes earlier.

Area forecast discussion, Sep 4, 7:47 PM EDT, 14 minutes before
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Hazardous weather outlook, Sep 4, 3:53 PM EDT, 4 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
353 PM EDT FRI SEP 4 2015

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-052000-
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-
353 PM EDT FRI SEP 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS THE AREA THROUGH
TONIGHT. THE MAIN HAZARD FROM MOST OF THE STORMS WILL BE CLOUD TO
GROUND LIGHTNING. HOWEVER...THROUGH MID-EVENING...A FEW WILL BE
CAPABLE OF SEVERE WEATHER IN THE FORM OF DAMAGING WIND GUSTS AND
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

..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.
..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.

.SPOTTER INFORMATION STATEMENT...

NONE.

WIMBERLEY

In the hours before

Special weather statement, Sep 4, 7:48 PM EDT, 13 minutes before
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Special weather statement, Sep 4, 7:51 PM EDT, 10 minutes before
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Local storm report, Sep 4, 7:55 PM EDT, 6 minutes before
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Special weather statement, Sep 4, 7:55 PM EDT, 6 minutes before
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Special weather statement, Sep 4, 7:57 PM EDT, 4 minutes before
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Special weather statement, Sep 4, 8:00 PM EDT, 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 8:00 PM EDTSpecial Weather StatementGSPGaston45 min
Sep 4, 8:08 PM EDTSevere Thunderstorm WarningGSPGaston52 min
Sep 4, 9:04 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell56 min
Sep 4, 9:36 PM EDTSpecial Weather StatementGSPMcDowell54 min
Sep 5, 1:05 PM EDTSpecial Weather StatementGSPSwain25 min
Sep 5, 1:17 PM EDTSpecial Weather StatementGSPJackson28 min
Sep 5, 1:53 PM EDTSpecial Weather StatementGSPHaywood22 min
Sep 5, 2:15 PM EDTSevere Thunderstorm WarningGSPSwain45 min
Sep 5, 2:37 PM EDTSpecial Weather StatementGSPMacon38 min
Sep 5, 3:11 PM EDTSpecial Weather StatementGSPMacon49 min
Sep 5, 3:16 PM EDTSpecial Weather StatementGSPMadison29 min
Sep 5, 4:12 PM EDTSpecial Weather StatementGSPHaywood48 min
Sep 5, 4:19 PM EDTSpecial Weather StatementGSPTransylvania26 min
Sep 5, 4:37 PM EDTSpecial Weather StatementGSPHaywood38 min
Sep 4, 8:05 PM EDTSpecial Weather StatementGSPYork25 min
Sep 4, 8:11 PM EDTAreal Flood AdvisoryGSPAnderson, Greenville2 hr
Sep 4, 8:17 PM EDTSevere Thunderstorm WarningGSPChester, Union43 min
Sep 4, 8:20 PM EDTSpecial Weather StatementGSPGreenville25 min
Sep 4, 8:22 PM EDTSevere Thunderstorm WarningGSPChester, York38 min
Sep 4, 8:43 PM EDTSpecial Weather StatementGSPUnion62 min
Sep 4, 9:01 PM EDTSpecial Weather StatementGSPLaurens29 min
Sep 4, 9:06 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenville, Laurens39 min
Sep 4, 9:13 PM EDTSpecial Weather StatementGSPLaurens62 min
Sep 4, 9:29 PM EDTSevere Thunderstorm WarningGSPGreenwood, Laurens46 min
Sep 4, 9:55 PM EDTSpecial Weather StatementGSPAbbeville65 min
Sep 4, 10:14 PM EDTSpecial Weather StatementGSPGreenwood46 min
Sep 5, 3:14 PM EDTSpecial Weather StatementGSPAnderson31 min
Sep 5, 5:19 PM EDTSpecial Weather StatementGSPStephens41 min
Sep 5, 5:44 PM EDTSpecial Weather StatementGSPStephens31 min
Sep 5, 5:49 PM EDTSevere Thunderstorm WarningGSPFranklin, Stephens23 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2015Every severe thunderstorm warning in 2015

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.