Alert archive / Florida / Mesoscale Discussions in 2016
Mesoscale Discussion 1615
The Storm Prediction Center issued this mesoscale discussion at Sep 1, 2016, 6:44 PM EDT for 31 counties in Florida. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2016, 6:44 PM EDT (22:44 UTC)
- Expired
- Sep 1, 2016, 9:45 PM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Gadsden County, FL, Gilchrist County, FL, Hamilton County, FL, Hernando County, FL, Hillsborough County, FL, Jefferson County, FL, Lafayette County, FL, Lake County, FL, Leon County, FL, Levy County, FL, Madison County, FL, Marion County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Seminole County, FL, Sumter County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL
The radar
The Jacksonville radar (KJAX), 137 km from the middle of the area, began a volume at 22:47 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 12:00Z, 10.7 hours before the alert went out and 139 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
- 227 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Sep 1, 4:09 AM EDT | Mesoscale Discussion | SPC | Sarasota | 3 hr |
| Sep 1, 11:39 AM EDT | Mesoscale Discussion | SPC | Hillsborough, Manatee, Pasco, Pinellas, Sarasota | 2 hr |
| Sep 1, 2:12 PM EDT | Mesoscale Discussion | SPC | Alachua, Bradford, Citrus, Clay, Dixie, Franklin and 17 more | 3 hr |
| Sep 1, 2:50 PM EDT | Tornado Watch | SPC | Alachua, Baker, Bradford, Brevard, Calhoun, Citrus and 35 more | 8 hr |
| Sep 1, 3:03 PM EDT | Mesoscale Discussion | SPC | Charlotte, DeSoto, Glades, Hendry, Highlands, Martin and 2 more | 87 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.