Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 94, NWS Jacksonville, FL

June 14, 2018Appling County, Wayne County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 14, 2018, 2:05 PM EDT for Appling County, Wayne County, Georgia. It was in force for 22 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 14, 2018, 2:05 PM EDT (18:05 UTC)
Expired: Jun 14, 2018, 2:27 PM EDT
In force: 22 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Appling County, GA, Wayne County, GA

The radar

The Moody AFB radar (KVAX), 120 km from the middle of the area, began a volume at 18:05 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 12:00Z, 6.1 hours before the alert went out and 134 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: 171 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1059 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -66 m²/s²
0-3 km storm-relative helicity: -56 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 14, 11:04 AM EDT, 3 hours 1 minute earlier.

Area forecast discussion, Jun 14, 11:04 AM EDT, 3 hours 1 minute before

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In the hours before

Special weather statement, Jun 14, 12:46 PM EDT, 1 hour 19 minutes before

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Special weather statement, Jun 14, 1:04 PM EDT, 1 hour 1 minute before

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Special weather statement, Jun 14, 1:50 PM EDT, 15 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 13, 8:00 PM EDT	Special Weather Statement	JAX	Saint Johns	30 min
Jun 13, 8:07 PM EDT	Special Weather Statement	JAX	Marion	23 min
Jun 13, 8:28 PM EDT	Special Marine Warning	JAX		92 min
Jun 13, 8:43 PM EDT	Special Weather Statement	JAX	Flagler	62 min
Jun 13, 9:04 PM EDT	Areal Flood Advisory	JAX	Flagler, Putnam	38 min
Jun 13, 9:55 PM EDT	Special Marine Warning	JAX		95 min
Jun 13, 10:59 PM EDT	Special Marine Warning	JAX		31 min
Jun 14, 2:53 PM EDT	Special Weather Statement	JAX	Clay	52 min
Jun 14, 3:59 PM EDT	Special Weather Statement	JAX	Duval	46 min
Jun 14, 4:20 PM EDT	Special Weather Statement	JAX	Duval	40 min
Jun 14, 5:01 PM EDT	Special Weather Statement	JAX	Flagler	44 min
Jun 14, 12:46 PM EDT	Special Weather Statement	JAX	Wayne	29 min
Jun 14, 1:04 PM EDT	Special Weather Statement	JAX	Wayne	26 min
Jun 14, 1:50 PM EDT	Special Weather Statement	JAX	Appling	25 min
Jun 14, 3:20 PM EDT	Special Weather Statement	JAX	Appling	40 min
Jun 14, 3:39 PM EDT	Special Weather Statement	JAX	Pierce	51 min
Jun 14, 3:56 PM EDT	Special Weather Statement	JAX	Appling, Bacon	49 min
Jun 14, 4:29 PM EDT	Areal Flood Advisory	JAX	Appling, Bacon	61 min
Jun 14, 4:32 PM EDT	Areal Flood Advisory	JAX	Brantley, Pierce, Ware	58 min
Jun 14, 5:55 PM EDT	Special Weather Statement	JAX	Brantley	50 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018 Every severe thunderstorm warning in 2018

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.