Alert archive / Florida / Tornado Watches in 2022
Tornado Watch 546
The Storm Prediction Center issued this tornado watch at Sep 28, 2022, 4:59 AM EDT for 22 counties in Florida. It was in force for 12 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 28, 2022, 4:59 AM EDT (08:59 UTC)
- Expired
- Sep 28, 2022, 5:00 PM EDT
- In force
- 12 hr
- Issued by
- the Storm Prediction Center
- Strongest gust expected
- 50 kt
All 22 counties
Brevard County, FL, Broward County, FL, Charlotte County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Highlands County, FL, Indian River County, FL, Lee County, FL, Manatee County, FL, Martin County, FL, Miami-Dade County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Palm Beach County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL
The radar
The Miami radar (KAMX), 136 km from the middle of the area, began a volume at 08:58 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
- 80%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 5%
- One or more gusts of 65 knots or more
- 5%
- 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
- 20%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 5:11 AM EDT | Tornado Warning | MFL | Palm Beach | 34 min |
| Sep 28, 5:54 AM EDT | Tornado Warning | MFL | Palm Beach | 15 min |
| Sep 28, 8:07 AM EDT | Tornado Warning | MLB | Indian River, Osceola | 23 min |
| Sep 28, 8:16 AM EDT | Tornado Warning | MLB | Indian River | 29 min |
| Sep 28, 11:38 AM EDT | Tornado Warning | TBW | DeSoto, Hardee, Highlands | 37 min |
| Sep 28, 12:53 PM EDT | Tornado Warning | MLB | Okeechobee | 22 min |
| Sep 28, 2:00 PM EDT | Tornado Warning | MLB | Brevard, Indian River | 30 min |
| Sep 28, 2:32 PM EDT | Tornado Warning | MLB | Brevard, Osceola | 28 min |
| Sep 28, 2:53 PM EDT | Tornado Warning | MLB | Osceola | 20 min |
| Sep 28, 3:15 PM EDT | Flash Flood Warning | TBW | Charlotte, Manatee, Sarasota | 4 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 9.0 hours before the alert went out and 125 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
- 1796 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 17.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 9:46 PM EDT | Mesoscale Discussion | SPC | Broward, Charlotte, Collier, DeSoto, Glades, Hardee and 14 more | 3 hr |
| Sep 28, 2:38 AM EDT | Mesoscale Discussion | SPC | Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 14 more | 3 hr |
| Sep 28, 8:37 AM EDT | Mesoscale Discussion | SPC | Broward, Collier, DeSoto, Glades, Hardee, Hendry and 8 more | 113 min |
| Sep 28, 11:03 AM EDT | Mesoscale Discussion | SPC | Brevard, Broward, Glades, Hendry, Highlands, Indian River and 8 more | 117 min |
| Sep 28, 1:18 PM EDT | Mesoscale Discussion | SPC | Indian River, Okeechobee, Osceola, Polk, Saint Lucie | 117 min |
| Sep 28, 3:54 PM EDT | Mesoscale Discussion | SPC | Brevard, Indian River, Martin, Orange, Osceola, Saint Lucie and 2 more | 96 min |
| Sep 28, 4:31 PM EDT | Tornado Watch | SPC | Brevard, Indian River, Martin, Okeechobee, Orange, Osceola and 3 more | 8 hr |
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.