Alert archive / Florida / Mesoscale Discussions in 2022
Mesoscale Discussion 435
The Storm Prediction Center issued this mesoscale discussion at Apr 7, 2022, 7:24 AM EDT for 12 counties in Florida. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 7, 2022, 7:24 AM EDT (11:24 UTC)
- Expired
- Apr 7, 2022, 10:00 AM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 40%
Counties Alachua County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Levy County, FL, Marion County, FL, Putnam County, FL, Saint Johns County, FL, Union County, FL
The radar
The Jacksonville radar (KJAX), 138 km from the middle of the area, began a volume at 11:25 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.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 11.4 hours before the alert went out and 140 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
- 1350 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 5.9
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 11:31 AM EDT | Mesoscale Discussion | SPC | Brevard, Hardee, Hillsborough, Manatee, Orange, Osceola and 5 more | 119 min |
Nearby
Mesoscale Discussions in Florida, 2022Every mesoscale discussion 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.