EF0 tornado, Deer Park, Florida, June 24, 2012

1. EF065 to 85 mphthis tornado

   Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

2. EF186 to 110 mph

   Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

3. EF2111 to 135 mph

   Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

4. EF3136 to 165 mph

   Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

5. EF4166 to 200 mph

   Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

6. EF5over 200 mph

   Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

7. Unrated

   The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

Rating

EF0

Date

June 24, 2012

Touchdown

10:46 PM EDT (02:46 UTC)

Lifted

10:47 PM EDT (02:47 UTC)

On the ground

1 minutes

Path length

1.1 miles (1.9 km)

Path width

50 yards (46 m)

Deaths

0

Injuries

0

County

Osceola County

Touchdown point

28.104, -80.876

Lift-off point

28.120, -80.876

Record number

1206242046-01

While Tropical Storm Debby was located over the northeast Gulf of Mexico, numerous strong rain bands rotated across east-central Florida. One particular persistent, mini-supercell produced three tornadoes as it traveled north from Okeechobee to Brevard County. The tornadoes occurred over rural areas of Osceola and Brevard Counties, which limited damage. Another mini-supercell moved north from Polk County and produced discontinuous tornado damage along a 3.7 mile path in southeast Lake County. A linear squall line behind the mini-supercells caused a localized area of property damage in northwest Osceola County. A canoe capsized on an inland lake in Lake County due to gusty winds and choppy conditions on the water, resulting in a drowning. Multi-day rainfall totals exceeded four inches across portions of Seminole, Orange, Volusia and Lake Counties, with maximum accumulations of 7-9 inches near Pierson, Lady Lake, and Astor Park in Lake County. No significant flooding occurred due to abnormally dry soil conditions prior to the rain event.

The second of three tornadoes associated with a Tropical Storm Debby mini-supercell that traveled from northern Okeechobee County to northern Brevard County produced a short damage path through a wooded area within the Kempfer Ranch and Deseret Ranch in far eastern Osceola County, about 1 mile north of Highway 192. The damage path cut through an area of mainly pine trees, damaged a fence, and displaced a pile of aluminum pipes downstream. The damage location was also consistent with a very strong rotational signature, reflectivity hook echo and tornado debris signature on dual-pol radar data. An Osceola County Emergency Management Official surveyed the damage path and provided details and damage photos. DI28 DOD2 LB-EXP.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

7 minutes of warning. NWS MLB issued a tornado warning for this county at 02:39 UTC, 7 minutes before the tornado touched down, in force until 03:18 UTC.

The county was under a tornado watch, issued at 01:34 UTC and running to 08:39 UTC.

Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.

The Storm Prediction Center had this point in a General Thunderstorms Risk, with a 0.02 chance of a tornado within 25 miles. The outlook in force was issued at 01:01 UTC.

SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.

The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.

The Melbourne radar (KMLB), 22 km away, was scanning. The volume nearest the touchdown began at 02:46 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

Local storm reports within 60 km of the path, in the three hours either side.

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

The live radar over the trackEvery 2012 tornado in FloridaEvery tornado in Florida since 1950Warnings in force in Florida nowThe forecast where you are

21 more were confirmed in the United States that day.

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.