Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 224, NWS Jacksonville, FL

August 23, 2007Appling County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 23, 2007, 7:56 PM EDT for Appling County, Georgia. It was in force for 35 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: Aug 23, 2007, 7:56 PM EDT (23:56 UTC)
Expired: Aug 23, 2007, 8:31 PM EDT
In force: 35 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

County Appling County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.9 hours before the alert went out and 243 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: 2 J/kg
Mixed-layer CIN: -424 J/kg
Mixed-layer LCL: 1898 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: -18 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 Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 23, 2:37 PM EDT, 5 hours 19 minutes earlier.

Area forecast discussion, Aug 23, 2:37 PM EDT, 5 hours 19 minutes before

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Hazardous weather outlook, Aug 23, 5:30 AM EDT, 14 hours 26 minutes before

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In the hours before

Special weather statement, Aug 23, 6:30 PM EDT, 1 hour 26 minutes before

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Special weather statement, Aug 23, 6:31 PM EDT, 1 hour 25 minutes before

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Special weather statement, Aug 23, 6:45 PM EDT, 1 hour 11 minutes before

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Special weather statement, Aug 23, 7:50 PM EDT, 6 minutes before

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Special weather statement, Aug 23, 7:55 PM EDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 12:38 AM EDT	Severe Thunderstorm Warning	JAX	Jeff Davis	52 min
Aug 23, 1:19 AM EDT	Severe Thunderstorm Warning	JAX	Coffee	56 min
Aug 23, 6:49 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Ware	41 min
Aug 23, 7:30 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch	60 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2007 Every severe thunderstorm warning in 2007

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.