Alert archive / Georgia / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 107, NWS Tallahassee, FL

June 25, 2013Lee County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 25, 2013, 6:36 PM EDT for Lee County, Georgia. It was in force for 39 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 25, 2013, 6:36 PM EDT (22:36 UTC)
Expired: Jun 25, 2013, 7:15 PM EDT
In force: 39 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

County Lee County, GA

The radar

The Robins AFB radar (KJGX), 124 km from the middle of the area, began a volume at 22:37 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, 10.6 hours before the alert went out and 180 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: 1190 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 731 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: -46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 2:30 PM EDT	Special Weather Statement	TAE	Madison	30 min
Jun 25, 3:44 PM EDT	Areal Flood Advisory	TAE	Madison	3 hr
Jun 25, 5:32 PM EDT	Special Weather Statement	TAE	Calhoun	28 min
Jun 25, 6:31 PM EDT	Severe Thunderstorm Warning	TAE	Bay, Washington	29 min
Jun 25, 6:59 PM EDT	Special Weather Statement	TAE	Washington	31 min
Jun 25, 3:53 PM EDT	Special Weather Statement	TAE	Brooks	37 min
Jun 25, 4:43 PM EDT	Special Weather Statement	TAE	Brooks	32 min
Jun 25, 4:48 PM EDT	Special Weather Statement	TAE	Thomas	22 min
Jun 25, 5:02 PM EDT	Special Weather Statement	TAE	Grady	28 min
Jun 25, 5:10 PM EDT	Severe Thunderstorm Warning	TAE	Grady	35 min
Jun 25, 5:13 PM EDT	Special Weather Statement	TAE	Thomas	22 min
Jun 25, 5:26 PM EDT	Severe Thunderstorm Warning	TAE	Grady, Thomas	34 min
Jun 25, 6:22 PM EDT	Special Weather Statement	TAE	Lee	38 min
Jun 25, 7:32 PM EDT	Areal Flood Advisory	TAE	Early	58 min
Jun 25, 6:40 PM EDT	Special Weather Statement	TAE	Houston	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.