Alert archive / Florida / Mesoscale Discussions in 2016
Mesoscale Discussion 333
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2016, 4:18 AM EDT for 21 counties in Florida. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2016, 4:18 AM EDT (08:18 UTC)
- Expired
- Apr 2, 2016, 6:15 AM EDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 21 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hernando County, FL, Lafayette County, FL, Lake County, FL, Levy County, FL, Marion County, FL, Putnam County, FL, Saint Johns County, FL, Sumter County, FL, Suwannee County, FL, Union County, FL, Volusia County, FL
The radar
The Jacksonville radar (KJAX), 105 km from the middle of the area, began a volume at 08:20 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 8.3 hours before the alert went out and 107 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
- 1190 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.5
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 1, 9:02 PM EDT | Tornado Watch | SPC | Alachua, Baker, Bay, Bradford, Calhoun, Clay and 21 more | 9 hr |
| Apr 1, 11:39 PM EDT | Mesoscale Discussion | SPC | Baker, Bradford, Columbia, Franklin, Hamilton, Jefferson and 7 more | 66 min |
| Apr 2, 2:19 AM EDT | Mesoscale Discussion | SPC | Dixie, Gilchrist, Lafayette, Taylor | 56 min |
| Apr 2, 6:00 AM EDT | Severe Thunderstorm Watch | SPC | Alachua, Bradford, Citrus, Clay, Flagler, Gilchrist and 12 more | 7 hr |
| Apr 2, 8:42 AM EDT | Mesoscale Discussion | SPC | Hernando, Pasco, Pinellas | 93 min |
| Apr 2, 12:01 PM EDT | Mesoscale Discussion | SPC | Hernando, Lake, Orange, Pasco, Seminole, Sumter and 1 more | 59 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.