F0 tornado, Massapequa Park to Amityville, New York, August 25, 2006

1. F040 to 72 mphthis tornado

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

2. F173 to 112 mph

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

3. F2113 to 157 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. F3158 to 206 mph

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

5. F4207 to 260 mph

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

6. F5261 to 318 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

F0

Date

August 25, 2006

Touchdown

12:00 PM EDT (16:00 UTC)

Path length

0.3 miles (0.5 km)

Path width

150 yards (137 m)

Deaths

0

Injuries

0

Counties

Nassau and Suffolk counties

Touchdown point

40.700, -73.450

Lift-off point

40.680, -73.400

Record number

837

Heavy showers and thunderstorms produced flash flooding along many major roads, which resulted in road closures. The most significant flooding occurred along the Deegan and Cross Bronx Expressways, about 2 miles west of East Tremont in the Bronx; along Northern Blvd. of Jackson Heights in Queens; and along the railroad train tracks, Wantagh Ave. and North Jerusalem Road in Wantagh, where up to 3 feet of water submerged cars. Significant flooding, which resulted in road closures, also occurred in Yaphank. Up to 2.20 inches of rain was measured in Lake Grove.A severe thunderstorm produced a weak F0 tornado as it moved across extreme southeast Nassau County and extreme southwest Suffolk County between 12 Noon and 12:15 pm EDT. This was confirmed by a NWS Storm Survey team. The tornado's path length was only about one quarter mile long and its' maximum path width was around 150 yards. There was significant tree damage along its' path. Rotation was evident in the tops of many trees. The most damage occurred in East Massapequa between Merrick Road and Route 27A, Old Sunrise Highway. It was concentrated around Clocks Blvd. southeast across Melrose Ave. and County Line Road, then across Amityville's Old Fields and Homestead Avenues. The tornado lifted into the parent cloud before reaching South Ketcham Avenue.This severe thunderstorm produced damaging winds, large hail, and torrential rain along its' path. Large tree branches were downed in Wantagh. Quarter size hail was reported in Farmingdale. Flash flooding also occurred along its' path.

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

No tornado warning for this county appears in the archive as in force at the moment the tornado touched down.

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. The outlook in force was issued at 12:49 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 Brookhaven radar (KOKX), 51 km away, was scanning. The volume nearest the touchdown began at 15:58 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 2006 tornado in New YorkEvery tornado in New York since 1950Warnings in force in New York nowThe forecast where you are

2 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.