Alert archive / Florida / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 50
The Storm Prediction Center issued this severe thunderstorm watch at Mar 19, 2016, 1:20 PM EDT for 11 counties in Florida. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2016, 1:20 PM EDT (17:20 UTC)
- Expired
- Mar 19, 2016, 6:24 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Broward County, FL, Charlotte County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Indian River County, FL, Lee County, FL, Martin County, FL, Okeechobee County, FL, Palm Beach County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 17:24 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 80%
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 5.3 hours before the alert went out and 152 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
- 185 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 10:37 AM EDT | Mesoscale Discussion | SPC | Charlotte, DeSoto, Hardee, Hillsborough, Lee, Manatee and 2 more | 113 min |
| Mar 19, 12:50 PM EDT | Mesoscale Discussion | SPC | Charlotte, DeSoto, Glades, Hardee, Hendry, Highlands and 7 more | 115 min |
| Mar 19, 3:51 PM EDT | Mesoscale Discussion | SPC | Broward, Collier, Glades, Hendry, Indian River, Martin and 4 more | 114 min |
Nearby
Severe Thunderstorm Watches in Florida, 2016Every severe thunderstorm watch 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.