Alert archive / Georgia / Tornado Watches in 2010
Tornado Watch 68
The Storm Prediction Center issued this tornado watch at Apr 8, 2010, 5:01 PM CDT for 14 counties in Florida; 32 counties in Georgia. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2010, 5:01 PM CDT (22:01 UTC)
- Expired
- Apr 8, 2010, 9:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 46 counties
Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Suwannee County, FL, Taylor County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun 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, 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, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner 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 22:01 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 5:29 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 46 min |
| Apr 8, 5:35 PM CDT | Severe Thunderstorm Warning | TAE | Ben Hill, Irwin, Tift | 40 min |
| Apr 8, 6:10 PM CDT | Severe Thunderstorm Warning | TAE | Madison | 50 min |
| Apr 8, 6:20 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon | 34 min |
| Apr 8, 6:26 PM CDT | Severe Thunderstorm Warning | JAX | Coffee, Jeff Davis | 34 min |
| Apr 8, 6:41 PM CDT | Severe Thunderstorm Warning | JAX | Hamilton | 49 min |
| Apr 8, 8:44 PM CDT | Severe Thunderstorm Warning | JAX | Bacon, Coffee | 31 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, 10.0 hours before the alert went out and 82 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
- 130 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 11:24 AM CDT | Mesoscale Discussion | SPC | Bay, Calhoun, Holmes, Jackson, Walton, Washington | 66 min |
| Apr 8, 1:02 PM CDT | Tornado Watch | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 4 hr |
| Apr 8, 4:37 PM CDT | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Gulf, Hamilton, Jackson and 8 more | 83 min |
| Apr 8, 6:42 PM CDT | Mesoscale Discussion | SPC | Franklin, Gadsden, Hamilton, Jefferson, Lafayette, Leon and 5 more | 2 hr |
| Apr 8, 3:00 PM CDT | Mesoscale Discussion | SPC | Baldwin, Bibb, Bleckley, Columbia, Crawford, Crisp and 32 more | 2 hr |
| Apr 8, 3:28 PM CDT | Tornado Watch | SPC | Baldwin, Bibb, Bleckley, Bulloch, Burke, Candler and 53 more | 7 hr |
| Apr 8, 6:23 PM CDT | Mesoscale Discussion | SPC | Baldwin, Bibb, Bleckley, Bulloch, Burke, Candler and 32 more | 2 hr |
Nearby
Tornado Watches in Georgia, 2010Tornado Watches in Florida, 2010Every tornado watch in 2010
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.