Alert archive / Georgia / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 22, NWS Jacksonville, FL

January 12, 20234 counties in Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jan 12, 2023, 8:42 PM EST for 4 counties in Georgia. It was in force for 48 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
Jan 12, 2023, 8:42 PM EST (01:42 UTC)
Expired
Jan 12, 2023, 9:30 PM EST
In force
48 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Atkinson County, GA, Bacon County, GA, Coffee County, GA, Jeff Davis County, GA

The radar

The Moody AFB radar (KVAX), 79 km from the middle of the area, began a volume at 01:43 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, 1.7 hours before the alert went out and 151 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-pSkew-T log-p diagram, Jacksonville, FL at 00:00Z on 2023-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2023-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2475 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 12, 11:10 PM ESTSpecial Weather StatementJAXHamilton50 min
Jan 12, 11:42 PM ESTSpecial Weather StatementJAXSuwannee33 min
Jan 13, 12:16 AM ESTSpecial Weather StatementJAXColumbia, Gilchrist29 min
Jan 13, 12:46 AM ESTSpecial Weather StatementJAXGilchrist, Union29 min
Jan 13, 1:23 AM ESTSpecial Weather StatementJAXGilchrist37 min
Jan 13, 1:44 AM ESTSpecial Weather StatementJAXNassau31 min
Jan 13, 2:13 AM ESTGale WarningJAX37 hr
Jan 13, 2:13 AM ESTSmall Craft AdvisoryJAX50 hr
Jan 13, 2:33 PM ESTFreeze WatchJAXAlachua, Baker, Bradford, Clay, Duval, Flagler and 6 more24 hr
Jan 12, 8:01 PM ESTRiver Flood WarningJAXAppling, Tattnall, Toombs, Wayne4 days
Jan 12, 8:05 PM ESTSpecial Weather StatementJAXJeff Davis55 min
Jan 12, 8:58 PM ESTSpecial Weather StatementJAXJeff Davis47 min
Jan 12, 9:20 PM ESTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis, Ware25 min
Jan 12, 9:41 PM ESTSpecial Weather StatementJAXAppling, Atkinson, Bacon, Pierce49 min
Jan 12, 10:11 PM ESTSpecial Weather StatementJAXPierce, Wayne34 min
Jan 12, 10:28 PM ESTSpecial Weather StatementJAXBrantley, Clinch, Ware47 min
Jan 13, 12:02 AM ESTSpecial Weather StatementJAXCamden, Glynn28 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2023Every severe thunderstorm warning in 2023

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.