Alert archive / Georgia / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 599
The Storm Prediction Center issued this severe thunderstorm watch at Jul 28, 2007, 12:51 PM EDT for 24 counties in Florida; 32 counties in Georgia; 8 counties in South Carolina. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 28, 2007, 12:51 PM EDT (16:51 UTC)
- Expired
- Jul 28, 2007, 8:00 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 64 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Brevard County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hamilton County, FL, Hernando County, FL, Lake County, FL, Levy County, FL, Marion County, FL, Nassau County, FL, Orange County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Sumter County, FL, Suwannee County, FL, Union County, FL, Volusia County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Bryan County, GA, Bulloch County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Jeff Davis County, GA, Jenkins County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Montgomery County, GA, Pierce County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Ware County, GA, Wayne County, GA, Wheeler County, GA, Allendale County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC
The radar
The Jacksonville radar (KJAX), 66 km from the middle of the area, began a volume at 16:53 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- 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
- 90%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 1:20 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Effingham | 40 min |
| Jul 28, 1:57 PM EDT | Severe Thunderstorm Warning | CHS | Effingham | 63 min |
| Jul 28, 2:16 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch | 30 min |
| Jul 28, 2:20 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort | 40 min |
| Jul 28, 2:21 PM EDT | Severe Thunderstorm Warning | CHS | Jasper | 44 min |
| Jul 28, 2:24 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 36 min |
| Jul 28, 2:50 PM EDT | Severe Thunderstorm Warning | JAX | Flagler | 40 min |
| Jul 28, 5:00 PM EDT | Severe Thunderstorm Warning | JAX | Pierce, Wayne | 45 min |
| Jul 28, 5:03 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Suwannee | 42 min |
| Jul 28, 5:11 PM EDT | Severe Thunderstorm Warning | FFC | Toombs | 34 min |
| Jul 28, 5:49 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 41 min |
| Jul 28, 7:08 PM EDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 52 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 12:28 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Columbia, Duval and 12 more | 92 min |
| Jul 28, 3:16 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 14 more | 59 min |
| Jul 28, 3:30 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 14 more | 60 min |
| Jul 28, 6:23 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Columbia, Gilchrist, Putnam and 1 more | 97 min |
Nearby
Severe Thunderstorm Watches in Georgia, 2007Severe Thunderstorm Watches in Florida, 2007Severe Thunderstorm Watches in South Carolina, 2007Every severe thunderstorm watch in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.