Alert archive / Florida / Tornado Watches in 2006
Tornado Watch 884
The Storm Prediction Center issued this tornado watch at Dec 25, 2006, 10:08 AM EST for 22 counties in Florida. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 25, 2006, 10:08 AM EST (15:08 UTC)
- Expired
- Dec 25, 2006, 5:00 PM EST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 22 counties
Brevard County, FL, Charlotte County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Highlands County, FL, Indian River County, FL, Lake County, FL, Lee County, FL, Manatee County, FL, Martin County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Palm Beach County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 80 km from the middle of the area, began a volume at 15:09 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
- 30%
- One or more gusts of 65 knots or more
- 30%
- 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
- 70%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 11:57 AM EST | Tornado Warning | MLB | Lake | 48 min |
| Dec 25, 12:24 PM EST | Tornado Warning | TBW | Hardee, Manatee | 36 min |
| Dec 25, 12:39 PM EST | Tornado Warning | MLB | Lake, Volusia | 51 min |
| Dec 25, 12:40 PM EST | Severe Thunderstorm Warning | TBW | Polk | 35 min |
| Dec 25, 1:18 PM EST | Severe Thunderstorm Warning | TBW | Polk | 27 min |
| Dec 25, 1:24 PM EST | Tornado Warning | MLB | Volusia | 51 min |
| Dec 25, 2:09 PM EST | Severe Thunderstorm Warning | MLB | Brevard, Orange, Volusia | 66 min |
| Dec 25, 2:27 PM EST | Tornado Warning | MLB | Brevard | 33 min |
| Dec 25, 2:59 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 38 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, 3.1 hours before the alert went out and 98 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
- 872 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 677 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 276 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 9.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 2:51 AM EST | Mesoscale Discussion | SPC | Dixie, Franklin, Lafayette, Taylor, Wakulla | 54 min |
| Dec 25, 6:16 AM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 18 more | 7 hr |
| Dec 25, 9:39 AM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Glades, Hardee, Highlands and 10 more | 96 min |
| Dec 25, 12:01 PM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Duval and 13 more | 59 min |
| Dec 25, 3:05 PM EST | Mesoscale Discussion | SPC | Brevard, Broward, Charlotte, Collier, DeSoto, Flagler and 24 more | 85 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.