Alert archive / Florida / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 376
The Storm Prediction Center issued this severe thunderstorm watch at Jun 30, 2015, 1:06 PM CDT for 10 counties in Alabama; 20 counties in Florida; 17 counties in Georgia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 30, 2015, 1:06 PM CDT (18:06 UTC)
- Expired
- Jun 30, 2015, 6:47 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 47 counties
Baldwin County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Mobile County, AL, Bay County, FL, Calhoun County, FL, Dixie County, FL, Escambia County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Okaloosa County, FL, Santa Rosa County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA
The radar
The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 18:10 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- 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
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 1:07 PM CDT | Severe Thunderstorm Warning | TAE | Ben Hill, Dougherty, Irwin, Lee, Tift, Turner and 1 more | 53 min |
| Jun 30, 1:15 PM CDT | Severe Thunderstorm Warning | TAE | Coffee | 45 min |
| Jun 30, 1:41 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 49 min |
| Jun 30, 1:50 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Lafayette, Madison, Taylor | 55 min |
| Jun 30, 1:52 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 38 min |
| Jun 30, 1:54 PM CDT | Severe Thunderstorm Warning | TAE | Coffee, Dale, Henry, Houston | 51 min |
| Jun 30, 2:05 PM CDT | Severe Thunderstorm Warning | TAE | Geneva | 40 min |
| Jun 30, 2:28 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 43 min |
| Jun 30, 2:32 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Dougherty, Lee, Randolph, Terrell, Worth | 58 min |
| Jun 30, 2:36 PM CDT | Severe Thunderstorm Warning | TAE | Lafayette, Taylor | 39 min |
| Jun 30, 2:38 PM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton | 52 min |
| Jun 30, 2:48 PM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton, Washington | 42 min |
| Jun 30, 3:32 PM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Jackson, Washington | 43 min |
| Jun 30, 3:49 PM CDT | Severe Thunderstorm Warning | TAE | Bay, Gulf | 41 min |
| Jun 30, 4:11 PM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Gadsden, Gulf, Jackson, Liberty | 49 min |
| Jun 30, 4:38 PM CDT | Severe Thunderstorm Warning | TAE | Franklin, Gadsden, Jefferson, Leon, Liberty, Wakulla | 67 min |
| Jun 30, 5:12 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison, Taylor, Wakulla | 63 min |
| Jun 30, 5:50 PM CDT | Severe Thunderstorm Warning | TAE | Lafayette, Madison, Taylor | 55 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, 6.1 hours before the alert went out and 209 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
- 836 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -2 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 30, 7:59 AM CDT | Mesoscale Discussion | SPC | Bullock, Chambers, Clay, Cleburne, Elmore, Lee and 4 more | 2 hr |
| Jun 30, 11:17 AM CDT | Mesoscale Discussion | SPC | Geneva, Henry, Houston | 88 min |
| Jun 30, 11:38 AM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 97 min |
| Jun 30, 12:57 PM CDT | Severe Thunderstorm Watch | SPC | Alachua, Baker, Bradford, Columbia, Gilchrist, Hamilton and 2 more | 7 hr |
| Jun 30, 3:51 PM CDT | Mesoscale Discussion | SPC | Alachua, Bradford, Calhoun, Clay, Columbia, Gadsden and 11 more | 114 min |
| Jun 30, 11:55 AM CDT | Mesoscale Discussion | SPC | Fannin, Rabun, Towns, Union | 3 hr |
| Jun 30, 12:01 PM CDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bibb, Bleckley, Bulloch and 66 more | 89 min |
| Jun 30, 12:37 PM CDT | Severe Thunderstorm Watch | SPC | Elbert, Franklin, Habersham, Hart, Rabun, Stephens | 7 hr |
| Jun 30, 12:53 PM CDT | Severe Thunderstorm Watch | SPC | Baldwin, Banks, Barrow, Bibb, Bleckley, Bryan and 64 more | 6 hr |
| Jun 30, 3:33 PM CDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bibb, Bleckley, Bulloch and 53 more | 117 min |
| Jun 30, 6:08 PM CDT | Mesoscale Discussion | SPC | Catoosa, Fannin, Franklin, Gilmer, Habersham, Hart and 7 more | 67 min |
Nearby
Severe Thunderstorm Watches in Florida, 2015Severe Thunderstorm Watches in Georgia, 2015Severe Thunderstorm Watches in Alabama, 2015Every severe thunderstorm watch in 2015
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.