The south coast tornado was a tornadic

waterspout A waterspout is an intense columnar vortex (usually appearing as a funnel cloud, funnel-shaped cloud) that occurs over a body of water. Some are connected to a cumulus congestus cloud, some to a cumuliform cloud and some to a cumulonimbus clou ...

spawned by a

supercell thunderstorm A supercell is a thunderstorm characterized by the presence of a mesocyclone: a deep, persistently rotating updraft. Due to this, these storms are sometimes referred to as rotating thunderstorms. Of the four classifications of thunderstorms (s ...

off the south coast of

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

on 26 December 2001, during the

Sydney to Hobart Yacht Race The Rolex Sydney Hobart Yacht Race is an annual event hosted by the Cruising Yacht Club of Australia, starting in Sydney, New South Wales, on Boxing Day and finishing in Hobart, Tasmania. The race distance is approximately . The race is run i ...

. The tornado passed very close to the

yacht A yacht is a sailing or power vessel used for pleasure, cruising, or racing. There is no standard definition, though the term generally applies to vessels with a cabin intended for overnight use. To be termed a , as opposed to a , such a pleasu ...

Nicorette II ''Nicorette II'' is a sailing yacht built in 1999 in South Africa. The yacht was designed by Simonis & Voogd. She won line honours in the 2000 Sydney to Hobart Yacht Race skippered by Ludde Ingvall Ludvig "Ludde" Ingvall (born 8 January 1956) ...

'', which was severely damaged but able to complete the race with a spare

mainsail A mainsail is a sail rigged on the main mast of a sailing vessel. * On a square rigged vessel, it is the lowest and largest sail on the main mast. * On a fore-and-aft rigged vessel, it is the sail rigged aft of the main mast. The sail's foot ...

. ''Nicorette'' recorded

wind speed In meteorology, wind speed, or wind flow speed, is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature. Wind speed is now commonly measured with an anemometer. Wind speed ...

s of close to (making the tornado at least F2 on the

Fujita scale The Fujita scale (F-Scale; ), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is determ ...

) and was struck by

hail Hail is a form of solid precipitation. It is distinct from ice pellets (American English "sleet"), though the two are often confused. It consists of balls or irregular lumps of ice, each of which is called a hailstone. Ice pellets generally fal ...

the size of

golf ball A golf ball is a special ball designed to be used in the game of golf. Under the rules of golf, a golf ball has a mass no more than , has a diameter not less than , and performs within specified velocity, distance, and symmetry limits. Like g ...

s. According to the boat's

meteorologist A meteorologist is a scientist who studies and works in the field of meteorology aiming to understand or predict Earth's atmospheric phenomena including the weather. Those who study meteorological phenomena are meteorologists in research, while t ...

, the tornado began with a diameter of around , but grew in size until it was across. The waterspout proceeded to strike several other boats with weaker winds. The tornado should not be confused with the severe storm that wrought havoc on the race in 1998.

References

External links

Forum with numerous images of the tornado
2001 in Australia 2001 in Australian sport Tornadoes in Australia Tornadoes of 2001 Sydney to Hobart Yacht Race December 2001 events in Australia {{weather-stub

See also

References

External links