Alert archive / Georgia / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 641
The Storm Prediction Center issued this severe thunderstorm watch at Jul 15, 2004, 3:10 PM CDT for 9 counties in Alabama; 18 counties in Florida; 28 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 15, 2004, 3:10 PM CDT (20:10 UTC)
- Expired
- Jul 15, 2004, 8:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 55 counties
Barbour County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Pike County, AL, Baker County, FL, Bradford County, FL, Calhoun County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Gadsden County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL, Walton County, FL, Washington County, FL, Atkinson County, GA, Baker 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, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Lanier County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Randolph County, GA, Seminole County, GA, Thomas County, GA, Tift County, GA, Ware County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 84 km from the middle of the area, began a volume at 20:12 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.
Warnings issued inside it
35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:10 PM CDT | Severe Thunderstorm Warning | TAE | Baker | 50 min |
| Jul 15, 3:13 PM CDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 47 min |
| Jul 15, 3:22 PM CDT | Severe Thunderstorm Warning | TAE | Dougherty | 38 min |
| Jul 15, 3:36 PM CDT | Severe Thunderstorm Warning | JAX | Charlton | 39 min |
| Jul 15, 3:42 PM CDT | Severe Thunderstorm Warning | TAE | Worth | 48 min |
| Jul 15, 3:53 PM CDT | Severe Thunderstorm Warning | JAX | Ware | 37 min |
| Jul 15, 3:59 PM CDT | Severe Thunderstorm Warning | TAE | Cook | 46 min |
| Jul 15, 4:15 PM CDT | Tornado Warning | JAX | Ware | 30 min |
| Jul 15, 4:21 PM CDT | Severe Thunderstorm Warning | TAE | Miller | 39 min |
| Jul 15, 4:28 PM CDT | Severe Thunderstorm Warning | JAX | Charlton | 47 min |
| Jul 15, 4:30 PM CDT | Severe Thunderstorm Warning | TAE | Decatur, Seminole | 45 min |
| Jul 15, 4:44 PM CDT | Severe Thunderstorm Warning | TAE | Cook | 46 min |
| Jul 15, 4:45 PM CDT | Severe Thunderstorm Warning | TAE | Colquitt | 15 min |
| Jul 15, 4:58 PM CDT | Severe Thunderstorm Warning | JAX | Nassau | 62 min |
| Jul 15, 5:03 PM CDT | Severe Thunderstorm Warning | JAX | Ware | 42 min |
| Jul 15, 5:06 PM CDT | Severe Thunderstorm Warning | JAX | Glynn | 54 min |
| Jul 15, 5:10 PM CDT | Tornado Warning | JAX | Nassau | 35 min |
| Jul 15, 5:14 PM CDT | Severe Thunderstorm Warning | TAE | Clay | 46 min |
| Jul 15, 5:20 PM CDT | Severe Thunderstorm Warning | TAE | Henry | 40 min |
| Jul 15, 5:26 PM CDT | Severe Thunderstorm Warning | TAE | Dale | 19 min |
| Jul 15, 5:26 PM CDT | Tornado Warning | JAX | Glynn | 34 min |
| Jul 15, 5:46 PM CDT | Severe Thunderstorm Warning | TAE | Houston | 44 min |
| Jul 15, 5:50 PM CDT | Tornado Warning | TAE | Decatur, Seminole | 25 min |
| Jul 15, 5:52 PM CDT | Tornado Warning | JAX | Duval | 38 min |
| Jul 15, 6:11 PM CDT | Severe Thunderstorm Warning | TAE | Coffee | 49 min |
| Jul 15, 6:20 PM CDT | Severe Thunderstorm Warning | TAE | Dale | 40 min |
| Jul 15, 6:20 PM CDT | Tornado Warning | TAE | Decatur | 25 min |
| Jul 15, 6:44 PM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 46 min |
| Jul 15, 6:50 PM CDT | Tornado Warning | TAE | Geneva, Houston | 25 min |
| Jul 15, 7:07 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 38 min |
| Jul 15, 7:10 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden | 50 min |
| Jul 15, 7:11 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 34 min |
| Jul 15, 7:23 PM CDT | Severe Thunderstorm Warning | TAE | Coffee, Geneva | 22 min |
| Jul 15, 7:29 PM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 31 min |
| Jul 15, 7:45 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 45 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, 8.2 hours before the alert went out and 84 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.
- Mixed-layer CAPE
- 3672 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 8:16 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 31 more | 59 min |
| Jul 15, 10:08 AM CDT | Mesoscale Discussion | SPC | Houston | 3 hr |
| Jul 15, 1:12 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Butler, Chilton, Choctaw, Clarke and 11 more | 2 hr |
| Jul 15, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Choctaw, Mobile, Washington | 6 hr |
| Jul 15, 2:55 PM CDT | Mesoscale Discussion | SPC | Dale, Geneva, Henry, Houston | 2 hr |
| Jul 15, 5:18 PM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Choctaw, Clarke, Coffee, Conecuh and 12 more | 117 min |
Nearby
Severe Thunderstorm Watches in Georgia, 2004Severe Thunderstorm Watches in Florida, 2004Severe Thunderstorm Watches in Alabama, 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; radar from the NEXRAD Level II archive.