Alert archive / Georgia / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 164

April 25, 20039 counties in Florida; 26 counties in Georgia

The Storm Prediction Center issued this severe thunderstorm watch at Apr 25, 2003, 11:45 AM EDT for 9 counties in Florida; 26 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 25, 2003, 11:45 AM EDT (15:45 UTC)
Expired
Apr 25, 2003, 5:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 35 counties

Baker County, FL, Columbia County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Taylor County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Cook County, GA, Echols County, GA, Effingham County, GA, Evans County, GA, Glynn County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Pierce County, GA, Tattnall County, GA, Thomas County, GA, Ware County, GA, Wayne County, GA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 25, 11:59 AM EDTSevere Thunderstorm WarningJAXCoffee46 min
Apr 25, 12:27 PM EDTSevere Thunderstorm WarningJAXColumbia48 min
Apr 25, 1:00 PM EDTTornado WarningJAXBrantley45 min
Apr 25, 1:09 PM EDTSevere Thunderstorm WarningJAXCharlton51 min
Apr 25, 1:18 PM EDTSevere Thunderstorm WarningTAEDixie, Taylor42 min
Apr 25, 1:45 PM EDTSevere Thunderstorm WarningJAXGlynn45 min
Apr 25, 1:58 PM EDTTornado WarningJAXGlynn32 min
Apr 25, 2:00 PM EDTSevere Thunderstorm WarningCHSMcIntosh45 min
Apr 25, 2:33 PM EDTSevere Thunderstorm WarningJAXBaker42 min
Apr 25, 2:49 PM EDTSevere Thunderstorm WarningJAXDuval, Nassau41 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

Jacksonville, FL (KJAX), launched 12:00Z, 3.8 hours before the alert went out and 129 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 12:00Z on 2003-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 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, Jacksonville, FL at 12:00Z on 2003-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 square meters per square second.193958Sfc1 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
109 J/kg
Mixed-layer CIN
-260 J/kg
Mixed-layer LCL
1059 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 25, 4:05 AM EDTMesoscale DiscussionSPCEscambia85 min
Apr 25, 6:40 AM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Holmes, Jackson, Okaloosa and 3 more65 min
Apr 25, 7:05 AM EDTTornado WatchSPCBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more6 hr
Apr 25, 8:41 AM EDTMesoscale DiscussionSPCBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 6 more94 min
Apr 25, 10:22 AM EDTMesoscale DiscussionSPCGadsden, Hamilton, Jefferson, Leon, Liberty, Madison and 1 more113 min
Apr 25, 1:01 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 15 more119 min
Apr 25, 2:15 PM EDTSevere Thunderstorm WatchSPCAlachua, Bradford, Citrus, Clay, Duval, Flagler and 10 more5 hr
Apr 25, 3:17 PM EDTMesoscale DiscussionSPCAlachua, Bradford, Citrus, Clay, Duval, Flagler and 10 more118 min
Apr 25, 6:35 PM EDTMesoscale DiscussionSPCCitrus, Hernando, Lake, Orange, Pasco, Seminole and 2 more55 min
Apr 25, 1:45 PM EDTTornado WatchSPCCatoosa, Chattooga, Dade, Floyd, Walker5 hr
Apr 25, 4:08 PM EDTMesoscale DiscussionSPCCarroll, Chattahoochee, Clayton, Cobb, Coweta, Douglas and 17 more2 hr
Apr 25, 6:00 PM EDTTornado WatchSPCBarrow, Bartow, Bibb, Butts, Carroll, Catoosa and 51 more5 hr

Nearby

Severe Thunderstorm Watches in Georgia, 2003Severe Thunderstorm Watches in Florida, 2003Every severe thunderstorm watch in 2003

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.