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Waterspout filmed by helicopter in New South Wales

30 May 2011 Last updated at 13:48 BST

An impressive waterspout, spiralling up into a bank of clouds, has been filmed off the coast of New South Wales in Australia.

A camera crew for an Australian broadcaster, 7 News, caught the column of water on camera, estimating it to be 600m tall.

Waterspouts occur when a tornado forms over oceans, lakes, or rivers.

The BBC's Tim Wilcox reports.