Alert archive / Florida / Tornado Watches in 2022
Tornado Watch 43
The Storm Prediction Center issued this tornado watch at Mar 12, 2022, 3:37 AM EST for 31 counties in Florida; 9 counties in Georgia. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2022, 3:37 AM EST (08:37 UTC)
- Expired
- Mar 12, 2022, 12:57 PM EST
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 40 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Brevard County, FL, Citrus County, FL, Clay County, FL, Duval County, FL, Flagler County, FL, Hardee County, FL, Hernando County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Levy County, FL, Manatee County, FL, Marion County, FL, Nassau County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Saint Johns County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Union County, FL, Volusia County, FL, Appling County, GA, Bacon County, GA, Brantley County, GA, Camden County, GA, Charlton County, GA, Glynn County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA
The radar
The Tampa radar (KTBW), 150 km from the middle of the area, began a volume at 08:39 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 50%
- 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
- 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 |
|---|---|---|---|---|
| Mar 12, 7:22 AM EST | Severe Thunderstorm Warning | TBW | Citrus, Levy, Sumter | 38 min |
| Mar 12, 7:55 AM EST | Severe Thunderstorm Warning | TBW | Citrus, Hernando, Pasco, Sumter | 50 min |
| Mar 12, 8:03 AM EST | Tornado Warning | TBW | Hernando | 27 min |
| Mar 12, 8:37 AM EST | Severe Thunderstorm Warning | JAX | Marion, Putnam | 23 min |
| Mar 12, 8:43 AM EST | Severe Thunderstorm Warning | MLB | Lake, Orange, Seminole, Volusia | 47 min |
| Mar 12, 8:45 AM EST | Severe Thunderstorm Warning | TBW | Citrus, Hernando, Hillsborough, Pasco, Pinellas, Polk and 1 more | 45 min |
| Mar 12, 8:52 AM EST | Severe Thunderstorm Warning | JAX | Flagler | 38 min |
| Mar 12, 9:26 AM EST | Severe Thunderstorm Warning | TBW | Hillsborough, Manatee, Pasco, Pinellas, Polk, Sarasota and 1 more | 49 min |
| Mar 12, 9:30 AM EST | Severe Thunderstorm Warning | MLB | Brevard, Lake, Orange, Seminole, Volusia | 45 min |
| Mar 12, 10:02 AM EST | Severe Thunderstorm Warning | MLB | Orange, Osceola | 28 min |
| Mar 12, 10:11 AM EST | Severe Thunderstorm Warning | TBW | Hardee, Hillsborough, Manatee, Polk, Sarasota | 49 min |
| Mar 12, 10:15 AM EST | Severe Thunderstorm Warning | MLB | Brevard, Orange, Osceola, Seminole, Volusia | 45 min |
| Mar 12, 12:52 PM EST | Severe Thunderstorm Warning | MLB | Indian River, Saint Lucie | 23 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 00:00Z, 8.6 hours before the alert went out and 171 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
- 153 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 391 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 |
|---|---|---|---|---|
| Mar 11, 10:11 PM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 10 more | 64 min |
| Mar 11, 11:06 PM EST | Tornado Watch | SPC | Bay, Calhoun, Columbia, Dixie, Escambia, Franklin and 18 more | 7 hr |
| Mar 12, 2:51 AM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 14 more | 114 min |
| Mar 12, 8:20 AM EST | Mesoscale Discussion | SPC | Hillsborough, Lake, Manatee, Orange, Pasco, Pinellas and 4 more | 55 min |
| Mar 12, 10:30 AM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Hardee, Highlands, Indian River and 7 more | 60 min |
| Mar 12, 3:47 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 35 more | 118 min |
Nearby
Tornado Watches in Florida, 2022Tornado Watches in Georgia, 2022Every tornado watch in 2022
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.