Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 240, NWS Greenville-Spartanburg, SC

June 17, 2009Franklin County, Habersham County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 17, 2009, 11:58 PM EDT for Franklin County, Habersham County, Stephens County, Georgia. It was in force for 47 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 17, 2009, 11:58 PM EDT (03:58 UTC)
Expired: Jun 18, 2009, 12:45 AM EDT
In force: 47 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Franklin County, GA, Habersham County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 111 km from the middle of the area, began a volume at 03:59 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
Jun 17, 10:52 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.0 hours before the alert went out and 166 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: 2353 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1472 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

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 17, 11:21 PM EDT, 37 minutes earlier.

Area forecast discussion, Jun 17, 11:21 PM EDT, 37 minutes before

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Hazardous weather outlook, Jun 17, 11:23 PM EDT, 35 minutes before

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In the hours before

Special weather statement, Jun 17, 10:34 PM EDT, 1 hour 24 minutes before

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Special weather statement, Jun 17, 10:38 PM EDT, 1 hour 20 minutes before

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Local storm report, Jun 17, 10:40 PM EDT, 1 hour 18 minutes before

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Local storm report, Jun 17, 11:24 PM EDT, 34 minutes before

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Local storm report, Jun 17, 11:48 PM EDT, 10 minutes before

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Local storm report, Jun 17, 11:49 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1149 PM EDT WED JUN 17 2009

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

1030 PM     TSTM WND DMG     PICKENS                 34.88N 82.71W
06/17/2009                   PICKENS            SC   COUNTY OFFICIAL

            NUMEROUS TREES DOWN IN AND AROUND PICKENS.

&&

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:55 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Swain	65 min
Jun 18, 3:16 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Swain	74 min
Jun 18, 3:27 PM EDT	Severe Thunderstorm Warning	GSP	Madison	53 min
Jun 18, 3:38 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Mitchell, Yancey	51 min
Jun 18, 3:40 PM EDT	Severe Thunderstorm Warning	GSP	Haywood	52 min
Jun 18, 3:52 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon	51 min
Jun 18, 3:54 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood	47 min
Jun 18, 4:02 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell, McDowell	58 min
Jun 18, 4:17 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson, McDowell	58 min
Jun 18, 4:36 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk, Rutherford	33 min
Jun 18, 4:56 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Polk, Rutherford	64 min
Jun 18, 5:03 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	57 min
Jun 18, 5:29 PM EDT	Severe Thunderstorm Warning	GSP	Union	63 min
Jun 17, 9:06 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	39 min
Jun 17, 9:17 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	58 min
Jun 17, 9:54 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	66 min
Jun 17, 9:58 PM EDT	Severe Thunderstorm Warning	GSP	Pickens	62 min
Jun 17, 10:50 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	70 min
Jun 17, 10:57 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	78 min
Jun 18, 12:27 AM EDT	Areal Flood Advisory	GSP	Abbeville	63 min
Jun 18, 3:14 AM EDT	Flash Flood Warning	GSP	Chester	3 hr
Jun 18, 3:17 AM EDT	Severe Thunderstorm Warning	GSP	Chester	58 min
Jun 18, 3:49 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Pickens	56 min
Jun 18, 4:08 PM EDT	Severe Thunderstorm Warning	GSP	Pickens	52 min
Jun 18, 4:30 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	60 min
Jun 18, 4:46 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	39 min
Jun 18, 5:05 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Greenwood, Laurens	70 min
Jun 18, 5:26 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Spartanburg, Union, York	64 min
Jun 18, 5:44 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood, Laurens	46 min
Jun 18, 5:57 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg, Union	32 min
Jun 18, 6:01 PM EDT	Tornado Warning	GSP	Cherokee, Chester, Union, York	18 min
Jun 17, 10:41 PM EDT	Severe Thunderstorm Warning	GSP	Rabun	49 min
Jun 17, 10:44 PM EDT	Severe Thunderstorm Warning	GSP	Hart	46 min
Jun 17, 11:06 PM EDT	Severe Thunderstorm Warning	GSP	Franklin	54 min
Jun 17, 11:29 PM EDT	Severe Thunderstorm Warning	GSP	Elbert, Hart	76 min
Jun 18, 4:34 PM EDT	Severe Thunderstorm Warning	GSP	Franklin, Hart, Stephens	44 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2009 Every 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.