Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 9, NWS Jacksonville, FL

February 22, 2008Brantley County, Ware County, Wayne County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Feb 22, 2008, 3:44 PM EST for Brantley County, Ware County, Wayne County, Georgia. It was in force for 28 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: Feb 22, 2008, 3:44 PM EST (20:44 UTC)
Expired: Feb 22, 2008, 4:12 PM EST
In force: 28 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Brantley County, GA, Ware County, GA, Wayne 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
Feb 22, 12:26 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.7 hours before the alert went out and 94 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: 86 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 588 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Feb 22, 2:39 PM EST, 1 hour 5 minutes earlier.

Area forecast discussion, Feb 22, 2:39 PM EST, 1 hour 5 minutes before

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Hazardous weather outlook, Feb 22, 12:48 PM EST, 2 hours 56 minutes before

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In the hours before

Special weather statement, Feb 22, 2:47 PM EST, 57 minutes before

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Special weather statement, Feb 22, 3:08 PM EST, 36 minutes before

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Special weather statement, Feb 22, 3:21 PM EST, 23 minutes before

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Local storm report, Feb 22, 3:38 PM EST, 6 minutes before

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Special weather statement, Feb 22, 3:40 PM EST, 4 minutes before

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Special weather statement, Feb 22, 3:44 PM EST, 0 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
Feb 21, 8:48 PM EST	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	42 min
Feb 22, 3:28 PM EST	Special Marine Warning	JAX		2 hr
Feb 22, 4:59 PM EST	Special Marine Warning	JAX		83 min
Feb 22, 1:55 PM EST	Severe Thunderstorm Warning	JAX	Atkinson, Coffee, Jeff Davis	50 min
Feb 22, 2:30 PM EST	Flood Watch	JAX	Appling, Atkinson, Bacon, Clinch, Coffee, Echols and 3 more	13 hr
Feb 22, 3:57 PM EST	Severe Thunderstorm Warning	JAX	Brantley, Camden, Glynn	48 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2008 Every severe thunderstorm warning in 2008

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.