Alert archive / Georgia / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 524

June 26, 200411 counties in Florida; 42 counties in Georgia

The Storm Prediction Center issued this severe thunderstorm watch at Jun 26, 2004, 1:40 PM EDT for 11 counties in Florida; 42 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2004, 1:40 PM EDT (17:40 UTC)
Expired
Jun 26, 2004, 8:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 53 counties

Baker County, FL, Columbia County, FL, Duval County, FL, Gadsden County, FL, Hamilton County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Nassau County, FL, Suwannee 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, Liberty County, GA, Long 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

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:55 PM EDTTornado WarningTAEDecatur, Seminole35 min
Jun 26, 2:54 PM EDTSevere Thunderstorm WarningTAELeon36 min
Jun 26, 3:54 PM EDTSevere Thunderstorm WarningJAXClinch, Echols66 min
Jun 26, 4:48 PM EDTSevere Thunderstorm WarningJAXHamilton27 min
Jun 26, 4:55 PM EDTSevere Thunderstorm WarningJAXCharlton50 min
Jun 26, 4:56 PM EDTSevere Thunderstorm WarningJAXClay, Duval49 min
Jun 26, 5:02 PM EDTSevere Thunderstorm WarningJAXCamden43 min
Jun 26, 5:13 PM EDTSevere Thunderstorm WarningJAXBaker, Union47 min
Jun 26, 5:28 PM EDTSevere Thunderstorm WarningJAXNassau47 min
Jun 26, 5:42 PM EDTSevere Thunderstorm WarningJAXDuval, Saint Johns48 min
Jun 26, 5:45 PM EDTSevere Thunderstorm WarningJAXDuval, Nassau45 min
Jun 26, 6:29 PM EDTSevere Thunderstorm WarningJAXDuval, Nassau46 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, 5.7 hours before the alert went out and 108 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 2004-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 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 2004-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
794 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 8:35 PM EDTMesoscale DiscussionSPCCalhoun, Escambia, Gadsden, Holmes, Okaloosa, Santa Rosa and 2 more55 min
Jun 26, 12:47 PM EDTMesoscale DiscussionSPCCalhoun, Gadsden, Hamilton, Holmes, Jackson, Jefferson and 5 more58 min
Jun 26, 3:36 PM EDTMesoscale DiscussionSPCBaker, Columbia, Hamilton, Jefferson, Madison, Nassau and 1 more54 min
Jun 26, 5:57 PM EDTMesoscale DiscussionSPCBaker, Clay, Duval, Nassau, Saint Johns, Union63 min

Nearby

Severe Thunderstorm Watches in Georgia, 2004Severe Thunderstorm Watches in Florida, 2004Every severe thunderstorm watch in 2004

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.