Alert archive / Florida / Tornado Watches in 2013
Tornado Watch 105
The Storm Prediction Center issued this tornado watch at Apr 14, 2013, 9:57 AM CDT for 20 counties in Florida; 6 counties in Georgia. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2013, 9:57 AM CDT (14:57 UTC)
- Expired
- Apr 14, 2013, 6:16 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 26 counties
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, Brooks County, GA, Decatur County, GA, Grady County, GA, Lowndes County, GA, Seminole County, GA, Thomas County, GA
The radar
The Eglin Afb radar (KEVX), 38 km from the middle of the area, began a volume at 15:00 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
- 20%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
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 14, 1:42 PM CDT | Severe Thunderstorm Warning | TAE | Franklin | 33 min |
| Apr 14, 2:21 PM CDT | Severe Thunderstorm Warning | TAE | Franklin | 54 min |
| Apr 14, 2:43 PM CDT | Severe Thunderstorm Warning | TAE | Bay, Franklin, Gulf | 47 min |
| Apr 14, 2:51 PM CDT | Severe Thunderstorm Warning | TAE | Franklin, Wakulla | 39 min |
| Apr 14, 3:31 PM CDT | Severe Thunderstorm Warning | TAE | Franklin, Gulf, Wakulla | 44 min |
| Apr 14, 4:54 PM CDT | Severe Thunderstorm Warning | TAE | Taylor | 66 min |
| Apr 14, 5:35 PM CDT | Severe Thunderstorm Warning | TAE | Dixie, Lafayette | 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, 3.0 hours before the alert went out and 126 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
- 1960 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 196 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 14, 9:24 AM CDT | Mesoscale Discussion | SPC | Bay, Calhoun, Escambia, Gulf, Liberty, Okaloosa and 3 more | 96 min |
| Apr 14, 12:03 PM CDT | Mesoscale Discussion | SPC | Glades, Hardee, Highlands, Lake, Marion, Okeechobee and 5 more | 87 min |
| Apr 14, 12:52 PM CDT | Tornado Watch | SPC | Alachua, Baker, Bradford, Brevard, Citrus, Clay and 23 more | 9 hr |
| Apr 14, 1:05 PM CDT | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Gulf, Jefferson, Leon and 3 more | 85 min |
| Apr 14, 3:17 PM CDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 17 more | 88 min |
| Apr 14, 5:44 PM CDT | Mesoscale Discussion | SPC | Alachua, Dixie, Gilchrist, Lafayette, Lake, Marion and 4 more | 91 min |
Nearby
Tornado Watches in Florida, 2013Tornado Watches in Georgia, 2013Every tornado watch in 2013
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.