Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 144, NWS Greenville-Spartanburg, SC

June 11, 2008Cherokee County, Spartanburg County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 11, 2008, 7:17 PM EDT for Cherokee County, Spartanburg County, Union County, South Carolina. It was in force for 73 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, 2008, 7:17 PM EDT (23:17 UTC)
Expired: Jun 11, 2008, 8:30 PM EDT
In force: 73 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Cherokee County, SC, Spartanburg County, SC, Union County, SC

The radar

The Greer radar (KGSP), 43 km from the middle of the area, began a volume at 23:20 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 305 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1118 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1073 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: -16 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, 6:39 PM EDT, 38 minutes earlier.

Area forecast discussion, Jun 11, 6:39 PM EDT, 38 minutes before

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Hazardous weather outlook, Jun 11, 4:18 PM EDT, 2 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
418 PM EDT WED JUN 11 2008

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-122030-
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 NC-
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-UNION SC-CHESTER-GREENWOOD-
418 PM EDT WED JUN 11 2008

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

.DAY ONE...TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS
THE MOUNTAINS THIS EVENING AND SPREAD EAST THROUGH THE OVERNIGHT.
ADDITIONAL THUNDERSTORMS WILL DEVELOP AND MOVE NORTH ACROSS THE SOUTHERN
UPSTATE OF SOUTH CAROLINA AND THE SOUTHERN PIEDMONT OF NORTH
CAROLINA. SOME OF THESE STORMS COULD BECOME STRONG ENOUGH TO
PRODUCE DAMAGING WINDS AND LARGE HAIL. THE OVERALL ACTIVITY WILL
DECREASE AFTER SUNSET...HOWEVER SHOWERS AND FAIRLY STRONG
THUNDERSTORMS WILL REMAIN POSSIBLE OVERNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A COLD FRONT WILL CROSS THE AREA ON SUNDAY AND BRING A GOOD CHANCE OF
STRONG TO SEVERE THUNDERSTORMS THROUGHOUT THE AFTERNOON. LARGE HAIL
AND DAMAGING WINDS WILL BE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

KRENTZ

In the hours before

Local storm report, Jun 11, 6:26 PM EDT, 51 minutes before

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Local storm report, Jun 11, 6:32 PM EDT, 45 minutes before

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Special weather statement, Jun 11, 6:45 PM EDT, 32 minutes before

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Local storm report, Jun 11, 6:52 PM EDT, 25 minutes before

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Local storm report, Jun 11, 7:00 PM EDT, 17 minutes before

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Local storm report, Jun 11, 7:13 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.

Issued	Product	Office	Counties	Lasted
Jun 11, 4:47 PM EDT	Severe Thunderstorm Warning	GSP	Haywood	50 min
Jun 11, 4:56 PM EDT	Severe Thunderstorm Warning	GSP	Union	64 min
Jun 11, 5:03 PM EDT	Areal Flood Advisory	GSP	Haywood	109 min
Jun 11, 5:44 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	61 min
Jun 11, 6:01 PM EDT	Severe Thunderstorm Warning	GSP	Union	48 min
Jun 11, 6:10 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	65 min
Jun 11, 6:18 PM EDT	Areal Flood Advisory	GSP	Union	117 min
Jun 11, 6:34 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Iredell, Mecklenburg, Rowan	71 min
Jun 11, 7:51 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Iredell	29 min
Jun 11, 4:56 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood, Laurens	45 min
Jun 11, 5:13 PM EDT	Severe Thunderstorm Warning	GSP	Chester	62 min
Jun 11, 5:38 PM EDT	Severe Thunderstorm Warning	GSP	York	67 min
Jun 11, 6:15 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	60 min
Jun 11, 6:46 PM EDT	Severe Thunderstorm Warning	GSP	York	59 min
Jun 11, 7:40 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee	46 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2008 Every severe thunderstorm warning in 2008

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.