Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 69, NWS Greenville-Spartanburg, SC

May 23, 2013Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 23, 2013, 4:14 PM EDT for Spartanburg County, South Carolina. It was in force for 61 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: May 23, 2013, 4:14 PM EDT (20:14 UTC)
Expired: May 23, 2013, 5:15 PM EDT
In force: 61 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

County Spartanburg County, SC

The radar

The Greer radar (KGSP), 22 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 228 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: 29 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 790 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 24 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 May 23, 2:37 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, May 23, 2:37 PM EDT, 1 hour 37 minutes before

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Hazardous weather outlook, May 23, 4:04 PM EDT, 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
404 PM EDT THU MAY 23 2013

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-
506-508-510-SCZ001>014-019-242015-
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-
404 PM EDT THU MAY 23 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WIDELY SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS
THE REGION THROUGH LATE AFTERNOON. SOME OF THE STORMS MAY BECOME
SEVERE...PRODUCING DAMAGING WINDS AND LARGE HAIL. SOME OF STORMS
WILL ALSO PRODUCE LOCALLY HEAVY RAINFALL...WHICH COULD LEAD TO
LOCALIZED FLOOD ISSUES. THE THREAT OF SEVERE STORMS AND HEAVY
RAINFALL SHOULD RAPIDLY DIMINISH THROUGH THE EARLY EVENING.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

NCZ033-048>053-058-059-062>065-501-503-505-507-509-242015-
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-
404 PM EDT THU MAY 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WIDELY SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE
REGION THROUGH LATE AFTERNOON. AN ISOLATED SEVERE STORM PRODUCING
DAMAGING WINDS AND LARGE HAIL CANNOT BE RULED OUT. THE THREAT OF
STRONG STORMS SHOULD RAPIDLY DIMINISH THROUGH THE EARLY EVENING.

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

PATCHY FROST IS POSSIBLE IN THE NORMALLY COLDER AND MORE SHELTERED
VALLEYS OF THE NORTH CAROLINA MOUNTAINS FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, May 23, 2:31 PM EDT, 1 hour 43 minutes before

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Special weather statement, May 23, 3:16 PM EDT, 58 minutes before

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Special weather statement, May 23, 3:26 PM EDT, 48 minutes before

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Special weather statement, May 23, 3:33 PM EDT, 41 minutes before

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Special weather statement, May 23, 3:58 PM EDT, 16 minutes before

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Special weather statement, May 23, 4:11 PM EDT, 3 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
May 22, 8:27 PM EDT	Special Weather Statement	GSP	Rutherford	33 min
May 22, 8:43 PM EDT	Areal Flood Advisory	GSP	Burke, McDowell, Polk, Rutherford	107 min
May 22, 8:50 PM EDT	Special Weather Statement	GSP	Macon	25 min
May 22, 8:57 PM EDT	Special Weather Statement	GSP	Davie	33 min
May 22, 9:12 PM EDT	Special Weather Statement	GSP	Transylvania	33 min
May 22, 9:33 PM EDT	Special Weather Statement	GSP	Buncombe	27 min
May 22, 9:42 PM EDT	Special Weather Statement	GSP	Cabarrus	33 min
May 22, 10:07 PM EDT	Special Weather Statement	GSP	Yancey	23 min
May 22, 10:45 PM EDT	Special Weather Statement	GSP	Burke, McDowell, Rutherford	60 min
May 23, 2:12 PM EDT	Special Weather Statement	GSP	Polk	33 min
May 23, 2:31 PM EDT	Special Weather Statement	GSP	Alexander, Caldwell, Catawba	44 min
May 23, 3:16 PM EDT	Special Weather Statement	GSP	Cleveland	29 min
May 23, 3:26 PM EDT	Special Weather Statement	GSP	Polk	34 min
May 23, 3:33 PM EDT	Special Weather Statement	GSP	Alexander	27 min
May 23, 3:58 PM EDT	Special Weather Statement	GSP	Polk	32 min
May 23, 4:11 PM EDT	Special Weather Statement	GSP	Yadkin	34 min
May 23, 4:35 PM EDT	Special Weather Statement	GSP	Davie	40 min
May 22, 9:04 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	56 min
May 22, 9:10 PM EDT	Special Weather Statement	GSP	Spartanburg	35 min
May 22, 9:28 PM EDT	Special Weather Statement	GSP	Anderson	32 min
May 22, 9:30 PM EDT	Special Weather Statement	GSP	Pickens	30 min
May 22, 9:43 PM EDT	Special Weather Statement	GSP	Abbeville	32 min
May 22, 9:53 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens	67 min
May 22, 9:57 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	63 min
May 22, 10:05 PM EDT	Special Weather Statement	GSP	Greenville	25 min
May 22, 10:29 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens, Spartanburg	61 min
May 22, 10:55 PM EDT	Special Weather Statement	GSP	Laurens	50 min
May 23, 4:41 PM EDT	Special Weather Statement	GSP	York	49 min
May 23, 5:10 PM EDT	Special Weather Statement	GSP	Cherokee	50 min
May 22, 8:01 PM EDT	Special Weather Statement	GSP	Stephens	29 min
May 22, 8:52 PM EDT	Special Weather Statement	GSP	Stephens	23 min
May 22, 8:55 PM EDT	Special Weather Statement	GSP	Elbert	35 min
May 22, 10:57 PM EDT	Special Weather Statement	GSP	Franklin	48 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013 Every severe thunderstorm warning in 2013

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.