Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 94, NWS Jacksonville, FL

June 8, 2014Atkinson County, Coffee County, Ware County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 8, 2014, 9:15 PM EDT for Atkinson County, Coffee County, Ware County, Georgia. It was in force for 45 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 8, 2014, 9:15 PM EDT (01:15 UTC)
Expired: Jun 8, 2014, 10:00 PM EDT
In force: 45 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Atkinson County, GA, Coffee County, GA, Ware County, GA

The radar

The Moody AFB radar (KVAX), 53 km from the middle of the area, began a volume at 01:15 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

Jacksonville, FL (KJAX), launched 00:00Z, 1.3 hours before the alert went out and 132 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: 1143 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1174 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 124 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 Jun 8, 9:00 PM EDT, 15 minutes earlier.

Area forecast discussion, Jun 8, 9:00 PM EDT, 15 minutes before

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Hazardous weather outlook, Jun 8, 3:55 PM EDT, 5 hours 20 minutes before

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In the hours before

Special weather statement, Jun 8, 8:14 PM EDT, 1 hour 1 minute before

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Special weather statement, Jun 8, 8:32 PM EDT, 43 minutes before

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Special weather statement, Jun 8, 8:44 PM EDT, 31 minutes before

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Special weather statement, Jun 8, 8:59 PM EDT, 16 minutes before

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Special weather statement, Jun 8, 9:02 PM EDT, 13 minutes before

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Local storm report, Jun 8, 9:09 PM EDT, 6 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
Jun 8, 8:04 PM EDT	Areal Flood Advisory	JAX	Alachua	116 min
Jun 8, 8:32 PM EDT	Special Weather Statement	JAX	Marion	43 min
Jun 8, 8:44 PM EDT	Special Weather Statement	JAX	Putnam	46 min
Jun 8, 9:19 PM EDT	Special Weather Statement	JAX	Marion	41 min
Jun 8, 10:15 PM EDT	Special Weather Statement	JAX	Duval	45 min
Jun 8, 10:31 PM EDT	Special Weather Statement	JAX	Clay	44 min
Jun 9, 2:06 PM EDT	Special Weather Statement	JAX	Putnam	39 min
Jun 9, 3:36 PM EDT	Special Weather Statement	JAX	Marion	24 min
Jun 9, 3:43 PM EDT	Special Weather Statement	JAX	Flagler	32 min
Jun 9, 4:09 PM EDT	Special Weather Statement	JAX	Flagler	36 min
Jun 9, 4:16 PM EDT	Severe Thunderstorm Warning	JAX	Flagler	44 min
Jun 9, 4:18 PM EDT	Special Weather Statement	JAX	Marion	27 min
Jun 9, 4:31 PM EDT	Severe Thunderstorm Warning	JAX	Marion	44 min
Jun 9, 4:56 PM EDT	Special Weather Statement	JAX	Marion	49 min
Jun 9, 4:59 PM EDT	Special Weather Statement	JAX	Flagler	31 min
Jun 9, 5:15 PM EDT	Special Weather Statement	JAX	Marion	30 min
Jun 9, 5:28 PM EDT	Special Weather Statement	JAX	Marion	32 min
Jun 9, 5:57 PM EDT	Special Weather Statement	JAX	Marion	33 min
Jun 9, 6:09 PM EDT	Special Weather Statement	JAX	Duval	51 min
Jun 9, 6:19 PM EDT	Special Weather Statement	JAX	Putnam	41 min
Jun 9, 6:57 PM EDT	Special Weather Statement	JAX	Bradford	33 min
Jun 8, 8:09 PM EDT	Special Weather Statement	JAX	Jeff Davis	66 min
Jun 8, 8:14 PM EDT	Special Weather Statement	JAX	Clinch	31 min
Jun 8, 8:59 PM EDT	Special Weather Statement	JAX	Bacon, Coffee	46 min
Jun 8, 9:02 PM EDT	Special Weather Statement	JAX	Atkinson, Clinch	43 min
Jun 8, 9:38 PM EDT	Special Weather Statement	JAX	Clinch	52 min
Jun 8, 9:58 PM EDT	Special Weather Statement	JAX	Ware	32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm warning in 2014

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.