Alert archive / Georgia / Severe Thunderstorm Watches in 2018
Severe Thunderstorm Watch 150
The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2018, 12:19 PM CDT for Geneva County, Henry County, Houston County, Alabama; 31 counties in Florida; 61 counties in Georgia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2018, 12:19 PM CDT (17:19 UTC)
- Expired
- Jun 2, 2018, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 95 counties
Geneva County, AL, Henry County, AL, Houston County, AL, Alachua County, FL, Baker County, FL, Bay County, FL, Bradford County, FL, Calhoun County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Calhoun County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Johnson County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Pierce County, GA, Randolph County, GA, Screven County, GA, Seminole County, GA, Tattnall County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 70 km from the middle of the area, began a volume at 17:21 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
42 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 12:29 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Dougherty, Lee, Terrell | 46 min |
| Jun 2, 1:09 PM CDT | Severe Thunderstorm Warning | TAE | Brooks, Colquitt, Cook, Thomas | 29 min |
| Jun 2, 1:21 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Gadsden, Jackson, Liberty | 19 min |
| Jun 2, 1:27 PM CDT | Severe Thunderstorm Warning | CHS | Liberty, Long | 63 min |
| Jun 2, 1:32 PM CDT | Severe Thunderstorm Warning | JAX | Appling, Wayne | 43 min |
| Jun 2, 1:41 PM CDT | Severe Thunderstorm Warning | TAE | Berrien, Brooks, Cook, Lanier, Lowndes | 49 min |
| Jun 2, 1:49 PM CDT | Severe Thunderstorm Warning | JAX | Bacon, Coffee, Jeff Davis | 41 min |
| Jun 2, 1:51 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon, Wakulla | 24 min |
| Jun 2, 2:07 PM CDT | Severe Thunderstorm Warning | JAX | Clinch, Echols | 38 min |
| Jun 2, 2:10 PM CDT | Severe Thunderstorm Warning | FFC | Montgomery, Toombs, Wheeler | 35 min |
| Jun 2, 2:11 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison, Taylor | 49 min |
| Jun 2, 2:15 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Wakulla | 45 min |
| Jun 2, 2:22 PM CDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 38 min |
| Jun 2, 2:25 PM CDT | Severe Thunderstorm Warning | JAX | Clinch, Echols | 50 min |
| Jun 2, 2:26 PM CDT | Severe Thunderstorm Warning | TAE | Lanier, Lowndes | 19 min |
| Jun 2, 2:37 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 53 min |
| Jun 2, 2:47 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Taylor | 58 min |
| Jun 2, 2:54 PM CDT | Severe Thunderstorm Warning | CHS | Effingham, Screven | 43 min |
| Jun 2, 3:02 PM CDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton, Suwannee | 43 min |
| Jun 2, 3:08 PM CDT | Severe Thunderstorm Warning | TAE | Lafayette, Madison, Taylor | 37 min |
| Jun 2, 3:21 PM CDT | Severe Thunderstorm Warning | TAE | Lafayette, Taylor | 54 min |
| Jun 2, 3:33 PM CDT | Severe Thunderstorm Warning | JAX | Brantley, Charlton, Ware | 57 min |
| Jun 2, 3:42 PM CDT | Severe Thunderstorm Warning | TAE | Dale, Henry | 48 min |
| Jun 2, 3:42 PM CDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton, Suwannee | 48 min |
| Jun 2, 3:46 PM CDT | Severe Thunderstorm Warning | CHS | Effingham | 46 min |
| Jun 2, 3:57 PM CDT | Severe Thunderstorm Warning | JAX | Nassau | 48 min |
| Jun 2, 4:02 PM CDT | Severe Thunderstorm Warning | JAX | Baker, Columbia | 43 min |
| Jun 2, 4:16 PM CDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 44 min |
| Jun 2, 4:24 PM CDT | Severe Thunderstorm Warning | TAE | Henry, Houston | 51 min |
| Jun 2, 4:25 PM CDT | Tornado Warning | JAX | Baker, Columbia | 35 min |
| Jun 2, 4:32 PM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton, Washington | 43 min |
| Jun 2, 4:40 PM CDT | Severe Thunderstorm Warning | JAX | Bradford, Clay, Union | 50 min |
| Jun 2, 4:52 PM CDT | Severe Thunderstorm Warning | JAX | Baker, Clay, Duval, Nassau | 22 min |
| Jun 2, 4:55 PM CDT | Severe Thunderstorm Warning | FFC | Laurens | 50 min |
| Jun 2, 5:04 PM CDT | Severe Thunderstorm Warning | TAE | Decatur, Early, Miller, Seminole | 56 min |
| Jun 2, 5:12 PM CDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Saint Johns | 52 min |
| Jun 2, 5:17 PM CDT | Severe Thunderstorm Warning | JAX | Bradford, Clay, Saint Johns | 43 min |
| Jun 2, 5:22 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Gadsden, Jackson, Liberty | 38 min |
| Jun 2, 5:36 PM CDT | Severe Thunderstorm Warning | JAX | Clay, Saint Johns | 39 min |
| Jun 2, 5:45 PM CDT | Severe Thunderstorm Warning | JAX | Flagler | 45 min |
| Jun 2, 5:45 PM CDT | Severe Thunderstorm Warning | FFC | Dodge, Laurens | 30 min |
| Jun 2, 5:53 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon | 37 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, 5.3 hours before the alert went out and 69 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
- 1581 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 25 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 |
|---|---|---|---|---|
| Jun 2, 10:55 AM CDT | Mesoscale Discussion | SPC | Barbour, Coffee, Covington, Dale, Geneva, Henry and 2 more | 65 min |
| Jun 2, 3:25 PM CDT | Mesoscale Discussion | SPC | Coffee, Covington, Dale, Geneva, Houston | 2 hr |
Nearby
Severe Thunderstorm Watches in Georgia, 2018Severe Thunderstorm Watches in Florida, 2018Severe Thunderstorm Watches in Alabama, 2018Every severe thunderstorm watch in 2018
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.