Alert archive / Florida / Mesoscale Discussions in 2016
Mesoscale Discussion 143
The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2016, 11:42 AM EST for 24 counties in Florida. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2016, 11:42 AM EST (16:42 UTC)
- Expired
- Feb 24, 2016, 12:45 PM EST
- In force
- 63 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 24 counties
Brevard County, FL, Charlotte County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Lee County, FL, Manatee County, FL, Martin County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 78 km from the middle of the area, began a volume at 16:41 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
Tampa Bay, FL (KTBW), launched 12:00Z, 4.7 hours before the alert went out and 78 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
- 575 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 715 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 415 m²/s²
- 0-3 km storm-relative helicity
- 439 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 8.9
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 |
|---|---|---|---|---|
| Feb 23, 7:51 PM EST | Mesoscale Discussion | SPC | Escambia | 54 min |
| Feb 23, 9:08 PM EST | Tornado Watch | SPC | Bay, Calhoun, Dixie, Escambia, Franklin, Gadsden and 14 more | 9 hr |
| Feb 23, 10:07 PM EST | Mesoscale Discussion | SPC | Bay, Holmes, Jackson, Okaloosa, Walton, Washington | 53 min |
| Feb 24, 1:44 AM EST | Mesoscale Discussion | SPC | Franklin, Gadsden, Hamilton, Jefferson, Leon, Liberty and 2 more | 2 hr |
| Feb 24, 3:58 AM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Citrus, Columbia, Gilchrist and 12 more | 6 hr |
| Feb 24, 6:48 AM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 7 more | 87 min |
| Feb 24, 8:36 AM EST | Mesoscale Discussion | SPC | Charlotte, Clay, DeSoto, Hardee, Hernando, Highlands and 11 more | 84 min |
Nearby
Mesoscale Discussions in Florida, 2016Every mesoscale discussion in 2016
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.