Alert archive / Alabama / Tornado Watches in 2015
Tornado Watch 108
The Storm Prediction Center issued this tornado watch at Apr 25, 2015, 5:00 AM CDT for 24 counties in Alabama; 8 counties in Florida. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 25, 2015, 5:00 AM CDT (10:00 UTC)
- Expired
- Apr 25, 2015, 12:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 32 counties
Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lowndes County, AL, Macon County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Pike County, AL, Russell County, AL, Wilcox County, AL, Bay County, FL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 111 km from the middle of the area, began a volume at 10:00 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
- 40%
- 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
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 5:17 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 43 min |
| Apr 25, 5:41 AM CDT | Tornado Warning | MOB | Escambia | 34 min |
| Apr 25, 5:54 AM CDT | Tornado Warning | MOB | Covington, Escambia | 36 min |
| Apr 25, 6:13 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 47 min |
| Apr 25, 6:20 AM CDT | Severe Thunderstorm Warning | TAE | Geneva | 40 min |
| Apr 25, 6:21 AM CDT | Severe Thunderstorm Warning | MOB | Covington, Escambia | 39 min |
| Apr 25, 6:33 AM CDT | Tornado Warning | MOB | Okaloosa | 12 min |
| Apr 25, 6:37 AM CDT | Tornado Warning | TAE | Walton | 23 min |
| Apr 25, 6:54 AM CDT | Severe Thunderstorm Warning | TAE | Geneva | 51 min |
| Apr 25, 6:59 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 27 min |
| Apr 25, 7:57 AM CDT | Severe Thunderstorm Warning | TAE | Jackson, Washington | 48 min |
| Apr 25, 8:03 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Washington | 42 min |
| Apr 25, 8:20 AM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Gadsden, Jackson, Liberty | 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
Birmingham, AL (KBMX), launched 00:00Z, 10.0 hours before the alert went out and 238 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1836 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 98 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 |
|---|---|---|---|---|
| Apr 25, 12:50 AM CDT | Tornado Watch | SPC | Dallas, Fayette, Greene, Hale, Lamar, Marengo and 4 more | 6 hr |
| Apr 25, 2:07 AM CDT | Mesoscale Discussion | SPC | Choctaw, Greene, Pickens, Sumter, Tuscaloosa | 83 min |
| Apr 25, 4:12 AM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Choctaw, Clarke, Conecuh, Dallas and 9 more | 63 min |
| Apr 25, 7:41 AM CDT | Mesoscale Discussion | SPC | Coffee, Covington, Dale, Geneva, Henry, Houston | 94 min |
| Apr 25, 9:35 AM CDT | Mesoscale Discussion | SPC | Baldwin, Mobile, Washington | 115 min |
| Apr 25, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 5 more | 4 hr |
| Apr 25, 1:50 PM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more | 85 min |
| Apr 25, 2:10 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Bullock, Calhoun, Chambers, Chilton and 19 more | 95 min |
| Apr 25, 3:07 PM CDT | Severe Thunderstorm Watch | SPC | Barbour, Coffee, Dale, Geneva, Henry, Houston and 1 more | 7 hr |
| Apr 25, 4:38 PM CDT | Severe Thunderstorm Watch | SPC | Bullock, Chambers, Clay, Lee, Macon, Randolph and 2 more | 5 hr |
| Apr 25, 8:08 AM CDT | Tornado Watch | SPC | Baker, Calhoun, Columbia, Duval, Franklin, Gadsden and 11 more | 7 hr |
| Apr 25, 11:20 AM CDT | Mesoscale Discussion | SPC | Columbia, Gadsden, Hamilton, Jefferson, Lafayette, Leon and 5 more | 85 min |
| Apr 25, 2:30 PM CDT | Mesoscale Discussion | SPC | Baker, Columbia, Duval, Gadsden, Hamilton, Jefferson and 5 more | 60 min |
| Apr 25, 6:19 PM CDT | Mesoscale Discussion | SPC | Calhoun, Franklin, Gadsden, Gulf, Hamilton, Jackson and 6 more | 56 min |
Nearby
Tornado Watches in Alabama, 2015Tornado Watches in Florida, 2015Every tornado 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.