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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: Melanie Metz/Shutterstock

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A pilot's friend or foe

Though they're beautiful, pilots flying powered airplanes avoid getting too close since the clouds indicate the air movement that causes severe turbulence. But pilots flying glider planes seek them out since they indicate rising air which helps the pilot gain height.