Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 221, NWS Greenville-Spartanburg, SC

June 27, 2010Oconee County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 27, 2010, 2:14 PM EDT for Oconee County, Pickens 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: Jun 27, 2010, 2:14 PM EDT (18:14 UTC)
Expired: Jun 27, 2010, 3:15 PM EDT
In force: 61 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 62 km from the middle of the area, began a volume at 18:15 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, 6.2 hours before the alert went out and 219 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: 1202 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1013 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 65 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 27, 1:33 PM EDT, 41 minutes earlier.

Area forecast discussion, Jun 27, 1:33 PM EDT, 41 minutes before

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Hazardous weather outlook, Jun 27, 5:19 AM EDT, 8 hours 55 minutes before

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In the hours before

Local storm report, Jun 27, 11:38 AM EDT, 2 hours 36 minutes before

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Special weather statement, Jun 27, 1:11 PM EDT, 1 hour 3 minutes before

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Special weather statement, Jun 27, 1:19 PM EDT, 55 minutes before

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Special weather statement, Jun 27, 1:25 PM EDT, 49 minutes before

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Special weather statement, Jun 27, 1:47 PM EDT, 27 minutes before

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Special weather statement, Jun 27, 1:55 PM EDT, 19 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 27, 1:19 PM EDT	Special Weather Statement	GSP	Henderson, Transylvania	41 min
Jun 27, 1:25 PM EDT	Special Weather Statement	GSP	Caldwell	50 min
Jun 27, 2:29 PM EDT	Special Weather Statement	GSP	Henderson	46 min
Jun 27, 2:38 PM EDT	Special Weather Statement	GSP	Haywood	37 min
Jun 27, 2:42 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood	47 min
Jun 27, 4:09 PM EDT	Special Weather Statement	GSP	Transylvania	36 min
Jun 27, 4:31 PM EDT	Special Weather Statement	GSP	Mecklenburg	29 min
Jun 27, 4:42 PM EDT	Special Weather Statement	GSP	McDowell	33 min
Jun 27, 5:07 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	56 min
Jun 27, 5:33 PM EDT	Special Weather Statement	GSP	McDowell	27 min
Jun 27, 6:16 PM EDT	Special Weather Statement	GSP	Avery	29 min
Jun 27, 6:23 PM EDT	Special Weather Statement	GSP	Catawba	52 min
Jun 27, 6:33 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell	57 min
Jun 27, 6:51 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell	69 min
Jun 27, 7:17 PM EDT	Areal Flood Advisory	GSP	Avery, Caldwell	118 min
Jun 27, 7:59 PM EDT	Areal Flood Advisory	GSP	Alexander, Catawba, Iredell	2 hr
Jun 27, 1:11 PM EDT	Special Weather Statement	GSP	Pickens	49 min
Jun 27, 1:14 PM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	61 min
Jun 27, 1:47 PM EDT	Special Weather Statement	GSP	Pickens	43 min
Jun 27, 1:55 PM EDT	Special Weather Statement	GSP	Spartanburg	50 min
Jun 27, 3:05 PM EDT	Special Weather Statement	GSP	Union	25 min
Jun 27, 3:19 PM EDT	Special Weather Statement	GSP	Cherokee	26 min
Jun 27, 3:23 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	54 min
Jun 27, 3:25 PM EDT	Special Weather Statement	GSP	Greenville	35 min
Jun 27, 3:35 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee	55 min
Jun 27, 3:51 PM EDT	Special Weather Statement	GSP	Lancaster	24 min
Jun 27, 3:59 PM EDT	Severe Thunderstorm Warning	GSP	York	76 min
Jun 27, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Chester	81 min
Jun 27, 4:44 PM EDT	Special Weather Statement	GSP	Stephens	31 min
Jun 27, 5:26 PM EDT	Special Weather Statement	GSP	Hart	49 min
Jun 27, 6:15 PM EDT	Special Weather Statement	GSP	Rabun	30 min
Jun 27, 6:25 PM EDT	Severe Thunderstorm Warning	GSP	Rabun	38 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010 Every severe thunderstorm warning in 2010

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.