Alert archive / Georgia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 243, NWS Jacksonville, FL

October 12, 2022Brantley County, Charlton County, Ware County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Oct 12, 2022, 11:51 PM EDT for Brantley County, Charlton County, Ware County, Georgia. It was in force for 24 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: Oct 12, 2022, 11:51 PM EDT (03:51 UTC)
Expired: Oct 13, 2022, 12:15 AM EDT
In force: 24 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Brantley County, GA, Charlton County, GA, Ware County, GA

The radar

The Jacksonville radar (KJAX), 74 km from the middle of the area, began a volume at 03:54 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, 3.9 hours before the alert went out and 73 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: 1379 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 770 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Oct 12, 9:59 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, Oct 12, 9:59 PM EDT, 1 hour 52 minutes before

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In the hours before

Special weather statement, Oct 12, 9:09 PM EDT, 2 hours 42 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
909 PM EDT Wed Oct 12 2022

GAZ132-149-130200-
Atkinson GA-Coffee GA-
909 PM EDT Wed Oct 12 2022

...A strong thunderstorm will impact portions of south central Coffee
and western Atkinson Counties through 1000 PM EDT...

At 907 PM EDT, Doppler radar was tracking a strong thunderstorm
capable of producing a landspout near Willacoochee, moving northeast
at 15 mph.

HAZARD...Landspouts, wind gusts up to 50 mph, and pea size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible. Gusty winds
         could knock down tree limbs and blow around unsecured
         objects.

Locations impacted include...
Pearson and Willacoochee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3147 8298 3143 8283 3128 8281 3121 8305
      3123 8305 3128 8303 3128 8305 3130 8305
      3131 8306 3133 8306 3134 8307 3136 8310
TIME...MOT...LOC 0107Z 219DEG 15KT 3129 8309

LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

KB

Special weather statement, Oct 12, 9:46 PM EDT, 2 hours 5 minutes before

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Special weather statement, Oct 12, 10:23 PM EDT, 1 hour 28 minutes before

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Special weather statement, Oct 12, 11:04 PM EDT, 47 minutes before

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Special weather statement, Oct 12, 11:35 PM EDT, 16 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
Oct 13, 12:14 AM EDT	Special Weather Statement	JAX	Baker, Nassau	46 min
Oct 13, 12:59 AM EDT	Special Weather Statement	JAX	Nassau	31 min
Oct 13, 1:43 AM EDT	Special Marine Warning	JAX		62 min
Oct 13, 2:42 AM EDT	Areal Flood Advisory	JAX	Duval	63 min
Oct 12, 9:09 PM EDT	Special Weather Statement	JAX	Atkinson	51 min
Oct 12, 9:15 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Coffee	30 min
Oct 12, 9:16 PM EDT	Severe Thunderstorm Warning	JAX	Coffee, Jeff Davis	44 min
Oct 12, 9:22 PM EDT	Tornado Warning	JAX	Atkinson, Coffee	23 min
Oct 12, 9:46 PM EDT	Special Weather Statement	JAX	Coffee, Jeff Davis	44 min
Oct 12, 10:13 PM EDT	Areal Flood Advisory	JAX	Appling, Coffee, Jeff Davis	3 hr
Oct 12, 10:23 PM EDT	Special Weather Statement	JAX	Appling, Atkinson, Bacon, Coffee, Jeff Davis	37 min
Oct 12, 10:29 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Bacon, Coffee, Ware	31 min
Oct 12, 10:35 PM EDT	Areal Flood Advisory	JAX	Coffee, Jeff Davis	3 hr
Oct 12, 10:54 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Bacon, Coffee, Pierce, Ware	36 min
Oct 12, 11:04 PM EDT	Special Weather Statement	JAX	Appling, Bacon, Pierce	41 min
Oct 12, 11:13 PM EDT	Areal Flood Advisory	JAX	Appling, Atkinson, Bacon, Coffee, Ware	3 hr
Oct 12, 11:17 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Pierce, Ware	28 min
Oct 12, 11:35 PM EDT	Special Weather Statement	JAX	Brantley, Wayne	40 min
Oct 12, 11:36 PM EDT	Areal Flood Advisory	JAX	Bacon, Pierce, Ware	3 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2022 Every severe thunderstorm warning in 2022

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.