Alert archive / Georgia / Tornado Watches in 2024

Tornado Watch 220

May 9, 2024Dale County, Henry County, Houston County, Alabama; Duval County, Nassau County, Florida; 40 counties in Georgia

The Storm Prediction Center issued this tornado watch at May 9, 2024, 12:47 PM CDT for Dale County, Henry County, Houston County, Alabama; Duval County, Nassau County, Florida; 40 counties in Georgia. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 9, 2024, 12:47 PM CDT (17:47 UTC)
Expired
May 9, 2024, 8:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 45 counties

Dale County, AL, Henry County, AL, Houston County, AL, Duval County, FL, Nassau County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Calhoun County, GA, Camden County, GA, Charlton County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Pierce County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Worth County, GA

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 9, 12:50 PM CDTSevere Thunderstorm WarningTAEBen Hill, Turner40 min
May 9, 12:58 PM CDTSevere Thunderstorm WarningJAXAppling, Coffee, Jeff Davis32 min
May 9, 1:12 PM CDTSevere Thunderstorm WarningTAEBen Hill, Irwin48 min
May 9, 1:25 PM CDTSevere Thunderstorm WarningJAXAppling, Jeff Davis, Wayne35 min
May 9, 1:28 PM CDTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis47 min
May 9, 1:35 PM CDTSevere Thunderstorm WarningTAEHenry70 min
May 9, 1:46 PM CDTSevere Thunderstorm WarningJAXAppling, Wayne29 min
May 9, 1:57 PM CDTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis, Pierce33 min
May 9, 2:05 PM CDTTornado Warning Tornado observedJAXBacon, Coffee, Pierce, Ware25 min
May 9, 2:07 PM CDTTornado WarningJAXBacon, Pierce23 min
May 9, 2:08 PM CDTSevere Thunderstorm WarningJAXAppling, Wayne37 min
May 9, 2:18 PM CDTSevere Thunderstorm Warning Considerable damage threatJAXAppling, Bacon, Pierce, Ware, Wayne27 min
May 9, 2:20 PM CDTTornado WarningJAXAppling, Bacon, Pierce, Wayne25 min
May 9, 2:40 PM CDTSevere Thunderstorm Warning Considerable damage threatJAXAppling, Brantley, Camden, Glynn, Pierce, Wayne66 min
May 9, 2:44 PM CDTSevere Thunderstorm WarningTAERandolph, Terrell26 min
May 9, 2:45 PM CDTTornado WarningJAXGlynn, Wayne30 min
May 9, 3:02 PM CDTSevere Thunderstorm WarningJAXCharlton, Clinch, Ware28 min
May 9, 4:32 PM CDTSevere Thunderstorm WarningJAXEchols28 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.8 hours before the alert went out and 118 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, Tallahassee Rgnl, FL at 12:00Z on 2024-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 932 joules per kilogram.LCLLFCEL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 2024-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
932 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:42 PM CDTMesoscale DiscussionSPCColbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more2 hr
May 8, 10:11 PM CDTTornado WatchSPCDeKalb, Jackson, Limestone, Madison, Marshall5 hr
May 8, 10:50 PM CDTMesoscale DiscussionSPCDeKalb, Jackson, Madison85 min
May 9, 2:10 AM CDTMesoscale DiscussionSPCColbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 7 more2 hr
May 9, 3:02 AM CDTTornado WatchSPCBlount, Calhoun, Cherokee, Clay, Cleburne, Colbert and 23 more7 hr
May 9, 4:26 AM CDTMesoscale DiscussionSPCCherokee, DeKalb, Etowah, Jackson, Madison, Marshall2 hr
May 9, 7:48 AM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more117 min
May 9, 8:51 AM CDTTornado WatchSPCAutauga, Barbour, Bibb, Bullock, Calhoun, Chambers and 22 more6 hr
May 9, 9:39 AM CDTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Dale, Elmore, Henry and 5 more96 min
May 9, 4:39 PM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Chilton, Coosa and 20 more96 min
May 9, 4:58 PM CDTSevere Thunderstorm WatchSPCAutauga, Barbour, Bibb, Bullock, Chambers, Chilton and 25 more6 hr
May 9, 12:25 PM CDTMesoscale DiscussionSPCNassau95 min
May 9, 3:36 PM CDTMesoscale DiscussionSPCBaker, Bradford, Clay, Columbia, Duval, Hamilton and 5 more54 min
May 8, 9:31 PM CDTMesoscale DiscussionSPCElbert, Franklin, Habersham, Hart, Rabun, Stephens and 1 more89 min
May 9, 1:16 AM CDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Chattooga, Cherokee, Clarke and 24 more119 min
May 9, 4:45 AM CDTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Burke and 75 more9 hr
May 9, 11:12 AM CDTTornado WatchSPCBryan, Bulloch, Candler, Chatham, Effingham, Evans and 6 more5 hr

Nearby

Tornado Watches in Georgia, 2024Tornado Watches in Alabama, 2024Tornado Watches in Florida, 2024Every tornado watch in 2024

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.