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How lenticular clouds are formed

By: Jaymi Heimbuch on May 22, 2014, 8:20 a.m.
lenticular cloud over trees

Photo: sierrarat/iStock

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Saucers and waves

Some can look like flying saucers while others look just like the choppy waves of the sea. Lenticular clouds have been used to explain away some UFO sightings.