Rare ice discs spotted on the River Otter at Honiton

PUBLISHED: 14:22 09 January 2009 | UPDATED: 22:51 15 June 2010

Ice discs on the River Otter

Ice discs on the River Otter

A RARE phenomenon, normally associated with the River Ljusnan, in Sweden, has been recorded on the River Otter at Honiton.

Ice discs are more commonly seen in Sweden

A RARE phenomenon, normally associated with the River Ljusnan, in Sweden, has been recorded on the River Otter at Honiton.

Roy Jefferies was walking along the riverbank on Wednesday, January 7, when he came across a disc of ice revolving in the water.

He called friend Mr G Blissett, to witness the sight.

"I saw the most perfect circle of ice, about two metres from the edge of the bank," said Mr Blissett.

Close up view of the ice circle

"It was about three metres in diameter and, on timing it, we discovered it was completing a revolution in four minutes and ten seconds.

"The air temperature at the time was sub-zero and the weather had been bitterly cold for the past week."

After returning home, Mr Blissett carried out some research.

"Ice discs can vary in diameter from under a meter up to an astonishing 200 metres (seen in the River Ljusnan in Sweden," he said.

A rare sight on the River Otter

"It is thought that they are formed when a slow moving river current creates a slow turning eddy in which a rotating disc of ice grinds out edges that forms a gap between the surrounding ice.


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