Image via Karen Racette.
It looks a lot like a UFO … but it’s what’s called lenticular cloud. These lens-shaped clouds typically form where stable, moist air flows over a mountain, and they can appear and disappear quickly. Karen Racette captured this one floating over Butte, Montana on October 7, 2019.
More photos of lenticular clouds, plus a word about how they form.
from EarthSky https://ift.tt/2MIqogc
Image via Karen Racette.
It looks a lot like a UFO … but it’s what’s called lenticular cloud. These lens-shaped clouds typically form where stable, moist air flows over a mountain, and they can appear and disappear quickly. Karen Racette captured this one floating over Butte, Montana on October 7, 2019.
More photos of lenticular clouds, plus a word about how they form.
from EarthSky https://ift.tt/2MIqogc
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