Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 175, NWS Greenville-Spartanburg, SC

June 11, 20096 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 11, 2009, 2:03 PM EDT for 6 counties in North Carolina. It was in force for 87 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
Jun 11, 2009, 2:03 PM EDT (18:03 UTC)
Expired
Jun 11, 2009, 3:30 PM EDT
In force
87 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC, Transylvania County, NC

The radar

The Knoxville radar (KMRX), 93 km from the middle of the area, began a volume at 18:02 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 12:18 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.1 hours before the alert went out and 246 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, Peachtre/Fal Fld, GA at 12:00Z on 2009-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 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, Peachtre/Fal Fld, GA at 12:00Z on 2009-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1725 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
890 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
60 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 Jun 11, 1:13 PM EDT, 50 minutes earlier.

Area forecast discussion, Jun 11, 1:13 PM EDT, 50 minutes before
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Hazardous weather outlook, Jun 11, 12:23 PM EDT, 1 hour 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1223 PM EDT THU JUN 11 2009

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-503>510-
SCZ001>007-010>012-019-121630-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-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-
ANDERSON-ABBEVILLE-LAURENS-GREENWOOD-
1223 PM EDT THU JUN 11 2009

...SEVERE THUNDERSTORM WATCH 376 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...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.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SCATTERED AFTERNOON THUNDERSTORMS...POSSIBLY BECOMING STRONG TO
SEVERE...ARE EXPECTED FRIDAY THROUGH SUNDAY. LARGE HAIL...DAMAGING
WINDS AND HEAVY DOWNPOURS WILL BE POSSIBLE WITH THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

NCZ035>037-056-057-068>072-082-501-502-SCZ008-009-013-014-121630-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-
CHEROKEE-YORK-UNION SC-CHESTER-
1223 PM EDT THU JUN 11 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA
THIS AFTERNOON AND EVENING. A FEW OF THESE THUNDERSTORMS COULD
BECOME SEVERE WITH LARGE HAIL AND DAMAGING WIND GUSTS BEING THE
MAIN THREATS. FREQUENT LIGHTNING AND BRIEF HEAVY RAINFALL CAN
OCCUR WITH ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SCATTERED AFTERNOON THUNDERSTORMS...POSSIBLY BECOMING STRONG TO
SEVERE...ARE EXPECTED FRIDAY THROUGH SUNDAY. LARGE HAIL...DAMAGING
WINDS AND HEAVY DOWNPOURS WILL BE POSSIBLE WITH THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Local storm report, Jun 11, 11:02 AM EDT, 3 hours 1 minute before
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Local storm report, Jun 11, 12:09 PM EDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1209 PM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0830 PM     TSTM WND DMG     8 SSE MONROE            34.88N 80.49W
06/10/2009                   UNION              NC   COUNTY OFFICIAL

            TREE DOWN ON STACK ROAD ANOTHER ON SANDY RIDGE ROAD.

&&

TBENTHAL
Local storm report, Jun 11, 1:09 PM EDT, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
109 PM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0540 PM     TSTM WND DMG     13 NE HENDERSONVILLE    35.45N 82.30W
06/10/2009                   HENDERSON          NC   FIRE DEPT/RESCUE

            TREES DOWN NEAR EDNEYVILLE ON SLICK ROCK RD AND UP TO
            SUGAR LOAF MTN.

&&

TBENTHAL
Local storm report, Jun 11, 1:18 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
118 PM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0515 PM     TSTM WND DMG     MOUNTAIN HOME           35.37N 82.50W
06/10/2009                   HENDERSON          NC   COUNTY OFFICIAL

            COUNTY OFFICIAL REPORTS A FEW TREES DOWN.

0512 PM     HAIL             MILLS RIVER             35.39N 82.57W
06/10/2009  E1.75 INCH       HENDERSON          NC   COUNTY OFFICIAL

            COUNTY EMPLOYEES REPORTED HAIL UP TO GOLF BALL SIZED
            OCCURRED FROM NEAR MILLS RIVER TO MOUNTAIN HOME.

&&

OUTLAW
Local storm report, Jun 11, 1:55 PM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
155 PM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0425 PM     HAIL             1 SE BLACK MOUNTAIN     35.60N 82.32W
06/09/2009  E0.75 INCH       BUNCOMBE           NC   PUBLIC

            A PUBLIC REPORT OF PENNY SIZED HAIL AND VERY LITTLE WIND.

&&

OUTLAW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:23 PM EDTSevere Thunderstorm WarningGSPUnion29 min
Jun 10, 8:31 PM EDTFlash Flood WarningGSPUnion3 hr
Jun 10, 8:35 PM EDTSevere Thunderstorm WarningGSPDavie40 min
Jun 11, 2:35 PM EDTSevere Thunderstorm WarningGSPPolk55 min
Jun 11, 2:43 PM EDTSevere Thunderstorm WarningGSPMacon62 min
Jun 11, 2:54 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson, Polk, Rutherford66 min
Jun 11, 3:07 PM EDTSevere Thunderstorm WarningGSPBuncombe, Burke, McDowell68 min
Jun 11, 3:25 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood, Henderson, Jackson, Macon, Madison and 4 more65 min
Jun 11, 3:27 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford63 min
Jun 11, 4:05 PM EDTSevere Thunderstorm WarningGSPAvery, Burke, Caldwell, McDowell, Mitchell, Yancey70 min
Jun 11, 4:15 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell60 min
Jun 11, 4:23 PM EDTSevere Thunderstorm WarningGSPHenderson, Polk, Rutherford, Transylvania67 min
Jun 11, 4:26 PM EDTSevere Thunderstorm WarningGSPBuncombe, Burke, Caldwell, Cleveland, Haywood, Henderson and 7 more64 min
Jun 11, 4:35 PM EDTSevere Thunderstorm WarningGSPRowan55 min
Jun 11, 5:00 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Mecklenburg, Polk, Rutherford60 min
Jun 11, 5:11 PM EDTSevere Thunderstorm WarningGSPAlexander, Avery, Burke, Caldwell, Catawba, Cleveland and 7 more64 min
Jun 11, 5:23 PM EDTSevere Thunderstorm WarningGSPDavie, Rowan52 min
Jun 11, 5:40 PM EDTAreal Flood AdvisoryGSPRowan50 min
Jun 11, 5:53 PM EDTSevere Thunderstorm WarningGSPCabarrus, Cleveland, Gaston, Lincoln, Mecklenburg, Union82 min
Jun 11, 6:07 PM EDTSevere Thunderstorm WarningGSPAlexander, Cabarrus, Catawba, Davie, Iredell, Lincoln and 1 more68 min
Jun 11, 7:11 PM EDTSevere Thunderstorm WarningGSPCabarrus, Davie, Iredell, Rowan49 min
Jun 11, 3:00 PM EDTSevere Thunderstorm WarningGSPLaurens60 min
Jun 11, 3:29 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Oconee, Pickens61 min
Jun 11, 3:33 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union72 min
Jun 11, 4:06 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson54 min
Jun 11, 4:23 PM EDTSevere Thunderstorm WarningGSPCherokee, York67 min
Jun 11, 4:28 PM EDTSevere Thunderstorm WarningGSPChester26 min
Jun 11, 4:30 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood, Laurens, Oconee and 1 more60 min
Jun 11, 5:24 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens, Union66 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2009Every severe thunderstorm warning in 2009

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.