Alert archive / Florida / Tornado Watches in 2024
Tornado Watch 86
The Storm Prediction Center issued this tornado watch at Apr 3, 2024, 10:43 AM EDT for 20 counties in Florida. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2024, 10:43 AM EDT (14:43 UTC)
- Expired
- Apr 3, 2024, 4:54 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
Counties Alachua County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hernando County, FL, Lake County, FL, Levy County, FL, Marion County, FL, Nassau County, FL, Orange County, FL, Pasco County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Sumter County, FL, Union County, FL, Volusia County, FL
The radar
The Jacksonville radar (KJAX), 135 km from the middle of the area, began a volume at 14:44 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
- 30%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 40%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 10:53 AM EDT | Severe Thunderstorm Warning | JAX | Baker, Duval, Nassau | 37 min |
| Apr 3, 11:04 AM EDT | Severe Thunderstorm Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Putnam and 2 more | 41 min |
| Apr 3, 12:08 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 22 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
Jacksonville, FL (KJAX), launched 12:00Z, 2.7 hours before the alert went out and 136 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
- 48 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 118 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 3, 2:13 AM EDT | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 8 more | 92 min |
| Apr 3, 5:16 AM EDT | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Jefferson and 6 more | 89 min |
| Apr 3, 5:51 AM EDT | Tornado Watch | SPC | Baker, Calhoun, Columbia, Dixie, Franklin, Gadsden and 10 more | 7 hr |
| Apr 3, 8:34 AM EDT | Mesoscale Discussion | SPC | Baker, Columbia, Dixie, Gilchrist, Hamilton, Lafayette and 4 more | 56 min |
| Apr 3, 10:05 AM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 12 more | 85 min |
| Apr 3, 1:02 PM EDT | Mesoscale Discussion | SPC | Citrus, Flagler, Hernando, Lake, Levy, Marion and 7 more | 88 min |
| Apr 3, 3:22 PM EDT | Mesoscale Discussion | SPC | Brevard, Hillsborough, Manatee, Orange, Osceola, Polk and 2 more | 83 min |
Nearby
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.