Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 240, NWS Greenville-Spartanburg, SC

September 4, 2015Burke County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 4, 2015, 5:13 PM EDT for Burke County, North 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 counties it named.

The facts

Issued
Sep 4, 2015, 5:13 PM EDT (21:13 UTC)
Expired
Sep 4, 2015, 5:42 PM EDT
In force
29 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Burke County, NC

The radar

The Greer radar (KGSP), 107 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 167 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 2015-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 760 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 12:00Z on 2015-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
760 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
-2 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, 4:49 PM EDT, 24 minutes earlier.

Area forecast discussion, Sep 4, 4:49 PM EDT, 24 minutes before
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Hazardous weather outlook, Sep 4, 3:53 PM EDT, 1 hour 20 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, 4:25 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EDT FRI SEP 4 2015

NCZ048-053-042115-
BUNCOMBE NC-MADISON NC-
425 PM EDT FRI SEP 4 2015

...CLUSTER OF THUNDERSTORMS WILL IMPACT PORTIONS OF SOUTHEASTERN
MADISON AND CENTRAL BUNCOMBE COUNTIES UNTIL 515 PM EDT...

AT 424 PM EDT...DOPPLER RADAR INDICATED THE LEADING EDGE OF A CLUSTER
OF THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES EAST OF
MARSHALL TO 4 MILES NORTHWEST OF DOWNTOWN ASHEVILLE...AND MOVING
SOUTH AT 10 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
DOWNTOWN ASHEVILLE...MARSHALL...WOODFIN...WEAVERVILLE...BILTMORE
FOREST...BENT CREEK...NORTH ASHEVILLE...WEST ASHEVILLE...B.R.
PARKWAY-EAST ASHEVILLE TO CRAGGY GARDENS AND WARREN WILSON COLLEGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF OUTDOORS...TRY
TO GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY
FROM OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED
ELECTRONIC DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE
STORMS APPROACH.

&&

LAT...LON 3586 8242 3582 8241 3582 8236 3580 8234
      3578 8234 3575 8233 3573 8231 3573 8229
      3545 8264 3578 8271 3586 8243
TIME...MOT...LOC 2024Z 005DEG 9KT 3575 8247 3563 8262

CDG
Special weather statement, Sep 4, 4:34 PM EDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
434 PM EDT FRI SEP 4 2015

NCZ504-042100-
GREATER BURKE NC-
434 PM EDT FRI SEP 4 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTH CENTRAL BURKE
COUNTY UNTIL 500 PM EDT...

AT 434 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
MORGANTON...MOVING SOUTHWEST AT 5 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
MORGANTON...DREXEL...GLEN ALPINE AND SOUTH MOUNTAINS STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

&&

LAT...LON 3580 8169 3575 8158 3560 8161 3570 8183
TIME...MOT...LOC 2034Z 029DEG 5KT 3572 8168

CDG
Special weather statement, Sep 4, 4:39 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
439 PM EDT FRI SEP 4 2015

NCZ071-SCZ009-042115-
MECKLENBURG NC-YORK SC-
439 PM EDT FRI SEP 4 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHWESTERN
MECKLENBURG AND NORTHEASTERN YORK COUNTIES UNTIL 515 PM EDT...

AT 439 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11
MILES SOUTHEAST OF GASTONIA...OR OVER TOWN OF LAKE WYLIE...MOVING
SOUTHWEST AT 5 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
TEGA CAY...TOWN OF LAKE WYLIE...STEELE CREEK...CAROWINDS AND
SOUTHWEST CHARLOTTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

&&

LAT...LON 3499 8101 3507 8119 3515 8110 3515 8101
      3517 8101 3515 8094
TIME...MOT...LOC 2039Z 029DEG 5KT 3512 8104

CDG
Special weather statement, Sep 4, 4:47 PM EDT, 26 minutes before
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Special weather statement, Sep 4, 5:03 PM EDT, 10 minutes before
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Special weather statement, Sep 4, 5:09 PM EDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 1:42 PM EDTSpecial Weather StatementGSPTransylvania33 min
Sep 4, 2:23 PM EDTSpecial Weather StatementGSPAvery37 min
Sep 4, 2:24 PM EDTSpecial Weather StatementGSPMcDowell36 min
Sep 4, 2:41 PM EDTSpecial Weather StatementGSPMitchell34 min
Sep 4, 2:47 PM EDTSpecial Weather StatementGSPMcDowell28 min
Sep 4, 2:52 PM EDTSpecial Weather StatementGSPBuncombe23 min
Sep 4, 3:06 PM EDTSpecial Weather StatementGSPUnion24 min
Sep 4, 3:18 PM EDTSpecial Weather StatementGSPMitchell27 min
Sep 4, 3:21 PM EDTSpecial Weather StatementGSPMcDowell24 min
Sep 4, 3:25 PM EDTSevere Thunderstorm WarningGSPBuncombe, McDowell50 min
Sep 4, 3:41 PM EDTSpecial Weather StatementGSPMacon34 min
Sep 4, 3:49 PM EDTSpecial Weather StatementGSPMecklenburg41 min
Sep 4, 4:12 PM EDTSpecial Weather StatementGSPBuncombe33 min
Sep 4, 4:25 PM EDTSpecial Weather StatementGSPBuncombe50 min
Sep 4, 4:34 PM EDTSpecial Weather StatementGSPBurke26 min
Sep 4, 4:47 PM EDTSpecial Weather StatementGSPPolk43 min
Sep 4, 5:03 PM EDTSpecial Weather StatementGSPHaywood27 min
Sep 4, 5:09 PM EDTSpecial Weather StatementGSPBurke36 min
Sep 4, 5:24 PM EDTSpecial Weather StatementGSPPolk51 min
Sep 4, 5:34 PM EDTSpecial Weather StatementGSPHaywood26 min
Sep 4, 5:36 PM EDTSpecial Weather StatementGSPLincoln24 min
Sep 4, 5:40 PM EDTSpecial Weather StatementGSPDavie50 min
Sep 4, 5:46 PM EDTSpecial Weather StatementGSPRowan29 min
Sep 4, 5:53 PM EDTAreal Flood AdvisoryGSPHaywood3 hr
Sep 4, 6:12 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan48 min
Sep 4, 6:42 PM EDTSpecial Weather StatementGSPCabarrus48 min
Sep 4, 6:59 PM EDTSpecial Weather StatementGSPMecklenburg46 min
Sep 4, 7:29 PM EDTSevere Thunderstorm WarningGSPUnion46 min
Sep 4, 7:33 PM EDTSpecial Weather StatementGSPMecklenburg27 min
Sep 4, 7:47 PM EDTSpecial Weather StatementGSPAlexander28 min
Sep 4, 3:00 PM EDTSpecial Weather StatementGSPLaurens30 min
Sep 4, 3:10 PM EDTSpecial Weather StatementGSPUnion35 min
Sep 4, 3:29 PM EDTSpecial Weather StatementGSPChester31 min
Sep 4, 3:45 PM EDTSpecial Weather StatementGSPLaurens30 min
Sep 4, 4:39 PM EDTSpecial Weather StatementGSPYork36 min
Sep 4, 6:16 PM EDTSpecial Weather StatementGSPChester44 min
Sep 4, 6:34 PM EDTSevere Thunderstorm WarningGSPChester41 min
Sep 4, 6:45 PM EDTSpecial Weather StatementGSPGreenville45 min
Sep 4, 6:49 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens41 min
Sep 4, 7:30 PM EDTSevere Thunderstorm WarningGSPCherokee45 min
Sep 4, 7:35 PM EDTSpecial Weather StatementGSPGreenville40 min
Sep 4, 7:48 PM EDTSpecial Weather StatementGSPSpartanburg42 min
Sep 4, 7:51 PM EDTSpecial Weather StatementGSPUnion24 min
Sep 4, 7:55 PM EDTSpecial Weather StatementGSPPickens35 min
Sep 4, 7:57 PM EDTSpecial Weather StatementGSPSpartanburg33 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.