Alert archive / Florida / Mesoscale Discussions in 2024
Mesoscale Discussion 792
The Storm Prediction Center issued this mesoscale discussion at May 15, 2024, 1:15 PM EDT for 27 counties in Florida. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- May 15, 2024, 1:15 PM EDT (17:15 UTC)
- Expired
- May 15, 2024, 2:45 PM EDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 244
All 27 counties
Alachua County, FL, Brevard County, FL, Citrus County, FL, Clay County, FL, DeSoto County, FL, Flagler County, FL, Hardee County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Levy County, FL, Manatee County, FL, Marion County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Volusia County, FL
The radar
The Tampa radar (KTBW), 102 km from the middle of the area, began a volume at 17:18 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 5.3 hours before the alert went out and 147 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
- 2398 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 12.7
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 |
|---|---|---|---|---|
| May 15, 1:45 AM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 19 more | 2 hr |
| May 15, 2:47 AM EDT | Tornado Watch | SPC | Brevard, Citrus, Flagler, Hernando, Hillsborough, Lake and 13 more | 8 hr |
| May 15, 4:58 AM EDT | Mesoscale Discussion | SPC | Citrus, Flagler, Hernando, Hillsborough, Lake, Marion and 5 more | 92 min |
| May 15, 8:36 AM EDT | Mesoscale Discussion | SPC | Alachua, Brevard, Citrus, DeSoto, Flagler, Hardee and 19 more | 84 min |
| May 15, 10:52 AM EDT | Severe Thunderstorm Watch | SPC | Alachua, Brevard, Citrus, DeSoto, Flagler, Gilchrist and 21 more | 5 hr |
Nearby
Mesoscale Discussions in Florida, 2024Every mesoscale discussion in 2024
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.