Alert archive / Georgia / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 241, NWS Jacksonville, FL

November 24, 2004Atkinson County, Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Nov 24, 2004, 3:48 PM EST for Atkinson County, Coffee County, Georgia. It was in force for 27 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: Nov 24, 2004, 3:48 PM EST (20:48 UTC)
Expired: Nov 24, 2004, 4:15 PM EST
In force: 27 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

Counties Atkinson County, GA, Coffee County, GA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 24, 2:50 PM EST	Tornado Watch	SPC	4 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.8 hours before the alert went out and 178 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: 1093 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 527 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.1

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 Nov 24, 2:08 PM EST, 1 hour 40 minutes earlier.

Area forecast discussion, Nov 24, 2:08 PM EST, 1 hour 40 minutes before

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Hazardous weather outlook, Nov 24, 3:00 PM EST, 48 minutes before

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In the hours before

Special weather statement, Nov 24, 3:39 PM EST, 9 minutes 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
Nov 24, 6:38 PM EST	Special Marine Warning	JAX		52 min
Nov 24, 4:35 PM EST	Severe Thunderstorm Warning	JAX	Echols	25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2004 Every severe thunderstorm warning in 2004

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.