Alert archive / Florida / Tornado Watches in 2006
Tornado Watch 473
The Storm Prediction Center issued this tornado watch at Jun 12, 2006, 9:41 PM EDT for 23 counties in Florida. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2006, 9:41 PM EDT (01:41 UTC)
- Expired
- Jun 13, 2006, 8:00 AM EDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
All 23 counties
Alachua County, FL, Charlotte County, FL, Citrus County, FL, DeSoto County, FL, Dixie County, FL, Flagler County, FL, Gilchrist County, FL, Hardee County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Lafayette County, FL, Lee County, FL, Levy County, FL, Manatee County, FL, Marion County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Sarasota County, FL, Sumter County, FL, Taylor County, FL
The radar
The Tampa radar (KTBW), 92 km from the middle of the area, began a volume at 01:41 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 5%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 40%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 10:42 PM EDT | Tornado Warning | TBW | Hillsborough | 18 min |
| Jun 12, 10:54 PM EDT | Tornado Warning | TBW | Pasco | 21 min |
| Jun 12, 11:35 PM EDT | Tornado Warning | TBW | Pasco | 10 min |
| Jun 13, 1:39 AM EDT | Tornado Warning | TBW | Polk | 21 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 00:00Z, 1.7 hours before the alert went out and 92 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
- 574 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 434 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 7.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 12:53 AM EDT | Mesoscale Discussion | SPC | Lake, Sumter | 97 min |
| Jun 13, 3:19 AM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Brevard, Charlotte, Citrus and 42 more | 86 min |
| Jun 13, 3:42 AM EDT | Tornado Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 13 more | 10 hr |
| Jun 13, 7:21 AM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Brevard, Charlotte, Citrus and 33 more | 24 min |
Nearby
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.