Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 294, NWS Greenville-Spartanburg, SC

September 2, 2014Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 2, 2014, 8:27 PM EDT for Iredell County, North Carolina. It was in force for 48 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 2, 2014, 8:27 PM EDT (00:27 UTC)
Expired
Sep 2, 2014, 9:15 PM EDT
In force
48 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Iredell County, NC

The radar

The Roanoke radar (KFCX), 146 km from the middle of the area, began a volume at 00:27 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, 0.5 hours before the alert went out and 93 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 2014-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1524 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 2014-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
1524 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1318 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
100 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 2, 7:56 PM EDT, 31 minutes earlier.

Area forecast discussion, Sep 2, 7:56 PM EDT, 31 minutes before
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Hazardous weather outlook, Sep 2, 8:15 PM EDT, 12 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
815 PM EDT TUE SEP 2 2014

NCZ033-048>053-058-059-062>065-501-503-505-507-509-040000-
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
815 PM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MOUNTAINS OF WESTERN
NORTH CAROLINA.

.DAY ONE...TONIGHT.

A LINE OF THUNDERSTORMS DEVELOPING ACROSS EASTERN TENNESSEE AND
SOUTHEAST KENTUCKY THIS EVENING WILL MAKE A RUN SOUTHEASTWARD INTO
THE NORTH CAROLINA MOUNTAINS LATE THIS EVENING INTO THE EARLY
OVERNIGHT HOURS. ALTHOUGH THE LINE OF THUNDERSTORMS IS EXPECTED
TO WEAKEN SOMEWHAT AS IT APPROACHES THE MOUNTAINS...SOME OF THE
THUNDERSTORMS ALONG THE LINE MAY STILL PRODUCE DAMAGING WIND
GUSTS AND LOCALLY VERY HEAVY RAINFALL.

.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...

SKYWARN SPOTTERS ARE ASKED TO RELAY ANY REPORTS OF WIND DAMAGE OR
FLOODING TO THE NATIONAL WEATHER SERVICE.

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-
506-508-510-SCZ001>014-019-040000-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-
GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
815 PM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...THE FOOTHILLS OF NORTH CAROLINA...AND UPSTATE
SOUTH CAROLINA.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL DEVELOP THROUGHOUT THE PIEDMONT THIS
EVENING. ANY OF THESE THUNDERSTORMS WILL PRODUCE LOCALLY TORRENTIAL
RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING. A FEW MAY PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL.

BACK TO THE WEST...A LINE OF THUNDERSTORMS IS EXPECTED TO WEAKEN AS
IT CROSSES THE NORTH CAROLINA MOUNTAINS FROM THE NORTHWEST LATE THIS
EVENING. HOWEVER...ISOLATED TO SCATTERED THUNDERSTORMS MAY SURVIVE
INTO THE ADJACENT FOOTHILLS...AND POSSIBLY OUT INTO THE PIEDMONT
INTO THE EARLY OVERNIGHT HOURS. A FEW CLOUD TO GROUND LIGHTNING
STRIKES AND BRIEFLY GUSTY WINDS WILL BE POSSIBLE WITH ANY
THUNDERSTORMS THAT SURVIVE THE TRIP ACROSS THE MOUNTAINS TONIGHT.

.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...

SKYWARN SPOTTERS ARE ASKED TO RELAY ANY REPORTS OF WIND
DAMAGE...LARGE HAIL...OR FLOODING TO THE NATIONAL WEATHER SERVICE.

HG

In the hours before

Special weather statement, Sep 2, 7:06 PM EDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
706 PM EDT TUE SEP 2 2014

NCZ057-072-022345-
CABARRUS-ROWAN-
706 PM EDT TUE SEP 2 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ROWAN AND
NORTHEASTERN CABARRUS COUNTIES THROUGH 745 PM EDT...

AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MOUNT PLEASANT...OR 10 MILES EAST OF
CONCORD...MOVING NORTHEAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  ROCKWELL...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

LAT...LON 3550 8029 3537 8038 3533 8044 3547 8058
      3568 8033 3567 8030 3564 8028 3564 8026
      3558 8020 3555 8020 3552 8018 3550 8018

KRENTZ
Special weather statement, Sep 2, 7:39 PM EDT, 48 minutes before
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Special weather statement, Sep 2, 8:02 PM EDT, 25 minutes before
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Special weather statement, Sep 2, 8:07 PM EDT, 20 minutes before
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Special weather statement, Sep 2, 8:17 PM EDT, 10 minutes before
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Special weather statement, Sep 2, 8:21 PM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 8:02 PM EDTSpecial Weather StatementGSPRowan43 min
Sep 2, 8:17 PM EDTSpecial Weather StatementGSPCabarrus43 min
Sep 2, 8:21 PM EDTSpecial Weather StatementGSPIredell39 min
Sep 2, 8:47 PM EDTSpecial Weather StatementGSPAvery, Graham, Haywood, Madison, Mitchell, Swain and 1 more43 min
Sep 2, 9:21 PM EDTSevere Thunderstorm WarningGSPHaywood, Madison54 min
Sep 2, 10:08 PM EDTSpecial Weather StatementGSPYancey52 min
Sep 2, 10:35 PM EDTSpecial Weather StatementGSPBuncombe40 min
Sep 2, 11:04 PM EDTSpecial Weather StatementGSPMcDowell41 min
Sep 2, 11:18 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell32 min
Sep 3, 5:23 PM EDTSpecial Weather StatementGSPMadison52 min
Sep 3, 6:01 PM EDTSpecial Weather StatementGSPHaywood44 min
Sep 3, 6:11 PM EDTSpecial Weather StatementGSPMecklenburg, Union64 min
Sep 3, 6:28 PM EDTSpecial Weather StatementGSPJackson47 min
Sep 3, 6:48 PM EDTSpecial Weather StatementGSPMadison57 min
Sep 3, 6:49 PM EDTAreal Flood AdvisoryGSPMecklenburg2 hr
Sep 3, 7:16 PM EDTFlash Flood WarningGSPMecklenburg3 hr
Sep 3, 7:42 PM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg108 min
Sep 3, 7:51 PM EDTSpecial Weather StatementGSPTransylvania54 min
Sep 3, 7:53 PM EDTSpecial Weather StatementGSPUnion67 min
Sep 2, 8:07 PM EDTSpecial Weather StatementGSPAbbeville38 min
Sep 2, 8:42 PM EDTSpecial Weather StatementGSPCherokee48 min
Sep 2, 8:54 PM EDTSpecial Weather StatementGSPAbbeville51 min
Sep 2, 9:07 PM EDTAreal Flood AdvisoryGSPAbbeville113 min
Sep 2, 9:29 PM EDTSpecial Weather StatementGSPGreenwood46 min
Sep 2, 10:01 PM EDTSpecial Weather StatementGSPAnderson44 min
Sep 3, 1:49 PM EDTSpecial Weather StatementGSPLaurens41 min
Sep 3, 2:33 PM EDTSpecial Weather StatementGSPGreenwood42 min
Sep 3, 3:19 PM EDTSpecial Weather StatementGSPLaurens41 min
Sep 3, 3:46 PM EDTSpecial Weather StatementGSPChester44 min
Sep 3, 3:52 PM EDTSpecial Weather StatementGSPGreenwood38 min
Sep 3, 4:05 PM EDTSpecial Weather StatementGSPLaurens40 min
Sep 3, 4:08 PM EDTSevere Thunderstorm WarningGSPChester, York52 min
Sep 3, 4:42 PM EDTAreal Flood AdvisoryGSPGreenwood3 hr
Sep 3, 5:05 PM EDTSpecial Weather StatementGSPAbbeville40 min
Sep 3, 5:07 PM EDTSevere Thunderstorm WarningGSPAbbeville38 min
Sep 3, 5:34 PM EDTSpecial Weather StatementGSPGreenville41 min
Sep 3, 6:08 PM EDTSpecial Weather StatementGSPGreenville52 min
Sep 3, 6:22 PM EDTAreal Flood AdvisoryGSPGreenville, Spartanburg3 hr
Sep 3, 6:43 PM EDTSpecial Weather StatementGSPPickens47 min
Sep 3, 4:57 PM EDTSpecial Weather StatementGSPElbert48 min
Sep 3, 5:03 PM EDTAreal Flood AdvisoryGSPElbert117 min
Sep 3, 5:20 PM EDTSpecial Weather StatementGSPHart40 min
Sep 3, 6:04 PM EDTSpecial Weather StatementGSPFranklin41 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014Every severe thunderstorm warning in 2014

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.