a waterspout
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Several waterspouts filmed on Lake Michigan in US

Some unusual weather conditions in the US led to this rare sight on Lake Michigan.

As many as nine waterspouts were reported. It is especially unusual to have so many close together.

The cause, is a clash of cold and warm temperature fronts.

Waterspouts are tornadoes that form over water.

Naga Munchetty reports.

  • 20 Aug 2012
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