Alert archive / South Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 122, NWS Greenville-Spartanburg, SC

April 26, 2006Laurens County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 26, 2006, 1:43 PM EDT for Laurens County, Spartanburg County, South Carolina. It was in force for 50 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: Apr 26, 2006, 1:43 PM EDT (17:43 UTC)
Expired: Apr 26, 2006, 2:33 PM EDT
In force: 50 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

Counties Laurens County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 28 km from the middle of the area, began a volume at 17:46 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.

Issued	Product	Office	Lasted
Apr 26, 12:40 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.7 hours before the alert went out and 273 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: 575 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1116 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: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Apr 26, 11:40 AM EDT, 2 hours 3 minutes earlier.

Area forecast discussion, Apr 26, 11:40 AM EDT, 2 hours 3 minutes before

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Hazardous weather outlook, Apr 26, 5:28 AM EDT, 8 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
528 AM EDT WED APR 26 2006

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-270930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
528 AM EDT WED APR 26 2006

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

.DAY ONE...TODAY AND TONIGHT
ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE WITHIN THE UPPER
SAVANNAH RIVER VALLEY THIS AFTERNOON. A SEVERE WEATHER
OUTLOOK...SPSGSP...HIGHLIGHTS THE POTENTIAL FOR LARGE HAIL AND
STRONG WIND GUSTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
A STRONG COLD FRONT MAY RESULT IN STRONG THUNDERSTORMS THIS
WEEKEND.

.SPOTTER INFORMATION STATEMENT...
ORGANIZED SPOTTER ACTIVATION IS NOT NECESSARY FOR THE POTENTIAL
OF ISOLATED SEVERE STORMS. HOWEVER...PLEASE FORWARD ANY REPORTS OF
HAIL OR STRONG WIND.

In the hours before

Local storm report, Apr 26, 10:45 AM EDT, 2 hours 58 minutes before

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Local storm report, Apr 26, 11:29 AM EDT, 2 hours 14 minutes before

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Local storm report, Apr 26, 11:40 AM EDT, 2 hours 3 minutes before

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Special weather statement, Apr 26, 11:41 AM EDT, 2 hours 2 minutes before

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Special weather statement, Apr 26, 12:38 PM EDT, 1 hour 5 minutes before

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Local storm report, Apr 26, 1:31 PM EDT, 12 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
Apr 25, 8:03 PM EDT	Severe Thunderstorm Warning	GSP	Alexander	21 min
Apr 25, 8:08 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	37 min
Apr 26, 12:48 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	57 min
Apr 26, 1:52 PM EDT	Severe Thunderstorm Warning	GSP	Union	62 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2006 Every severe thunderstorm warning in 2006

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.