Alert archive / Georgia / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 34
The Storm Prediction Center issued this severe thunderstorm watch at Mar 1, 2016, 5:25 PM CST for 32 counties in Alabama; 46 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2016, 5:25 PM CST (23:25 UTC)
- Expired
- Mar 1, 2016, 10:49 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 78 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rockdale County, GA, Spalding County, GA, Talbot County, GA, Taliaferro County, GA, Troup County, GA, Upson County, GA, Walton County, GA, Wilkes County, GA
The radar
The Birmingham radar (KBMX), 103 km from the middle of the area, began a volume at 23:25 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
- 2%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 5:27 PM CST | Severe Thunderstorm Warning | BMX | Jefferson, Shelby, Tuscaloosa | 63 min |
| Mar 1, 5:44 PM CST | Tornado Warning | BMX | Jefferson, Shelby | 16 min |
| Mar 1, 6:12 PM CST | Severe Thunderstorm Warning | BMX | Talladega | 48 min |
| Mar 1, 6:44 PM CST | Tornado Warning | BMX | Clay, Coosa, Talladega, Tallapoosa | 9 min |
| Mar 1, 7:02 PM CST | Severe Thunderstorm Warning | BMX | Autauga, Dallas, Lowndes | 58 min |
| Mar 1, 7:08 PM CST | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Douglas, Fulton, Heard | 37 min |
| Mar 1, 7:51 PM CST | Severe Thunderstorm Warning | FFC | DeKalb, Henry, Rockdale | 24 min |
| Mar 1, 8:01 PM CST | Severe Thunderstorm Warning | FFC | Newton | 29 min |
| Mar 1, 8:26 PM CST | Tornado Warning | BMX | Chambers, Lee | 14 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
Birmingham, AL (KBMX), launched 12:00Z, 11.4 hours before the alert went out and 103 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
- 23 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 896 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 91 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 |
|---|---|---|---|---|
| Mar 1, 1:42 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 11 more | 2 hr |
| Mar 1, 4:51 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 15 more | 114 min |
Nearby
Severe Thunderstorm Watches in Georgia, 2016Severe Thunderstorm Watches in Alabama, 2016Every severe thunderstorm watch in 2016
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.