Alert archive / Florida / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 8
The Storm Prediction Center issued this severe thunderstorm watch at Feb 12, 2014, 3:06 PM EST for 29 counties in Florida. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 12, 2014, 3:06 PM EST (20:06 UTC)
- Expired
- Feb 12, 2014, 10:45 PM EST
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 29 counties
Brevard County, FL, Broward 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, Miami-Dade County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Palm Beach County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Volusia County, FL
The radar
The Tampa radar (KTBW), 85 km from the middle of the area, began a volume at 20:08 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
- 10%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 3:38 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Pasco | 37 min |
| Feb 12, 4:25 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Sumter | 35 min |
| Feb 12, 4:43 PM EST | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 32 min |
| Feb 12, 4:43 PM EST | Severe Thunderstorm Warning | MLB | Lake, Orange | 62 min |
| Feb 12, 5:23 PM EST | Severe Thunderstorm Warning | MLB | Brevard, Lake, Orange, Seminole, Volusia | 52 min |
| Feb 12, 5:31 PM EST | Tornado Warning | TBW | DeSoto, Hardee, Manatee | 29 min |
| Feb 12, 5:35 PM EST | Severe Thunderstorm Warning | MLB | Saint Lucie | 40 min |
| Feb 12, 5:49 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 41 min |
| Feb 12, 6:06 PM EST | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 39 min |
| Feb 12, 6:10 PM EST | Severe Thunderstorm Warning | TBW | Polk | 35 min |
| Feb 12, 6:15 PM EST | Severe Thunderstorm Warning | MLB | Brevard, Orange, Osceola, Seminole, Volusia | 60 min |
| Feb 12, 6:54 PM EST | Severe Thunderstorm Warning | MLB | Brevard, Indian River, Okeechobee, Osceola | 51 min |
| Feb 12, 7:06 PM EST | Severe Thunderstorm Warning | TBW | DeSoto, Highlands | 39 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 8.1 hours before the alert went out and 85 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1342 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 2:07 PM EST | Mesoscale Discussion | SPC | Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 21 more | 113 min |
| Feb 12, 6:19 PM EST | Mesoscale Discussion | SPC | Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 12 more | 116 min |
Nearby
Severe Thunderstorm Watches in Florida, 2014Every severe thunderstorm watch in 2014
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.