Lenticular Clouds Above Washington . ... Credit Copyright: Tim Thompson Explanation: Are those UFOs near that mountain? No -- they are multilayered lenticular clouds . Moist air forced to flow upward around mountain tops can create lenticular clouds . Water droplets condense from moist air cooled below the dew point , and clouds are opaque groups of water droplets. ... On some days the city of Seattle , Washington , USA , is treated to an usual sky show when lenticular clouds form near Mt. ...