A giant UFO shaped hole stunned locals after appearing above houses.
Kristin Braund spotted the weird weather phenomenon, sometimes mistaken for a UFO.
The Fallstreak hole, or Cavum, is a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds.
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Trainee paraglider Kristin did a double-take after a footprint-shaped one opened over her in Portland, Dorset.
“I was in my garden admiring my sunflowers, and I just happened to look up at the sky,” Kristin told What’s The Jam.
“I always look up as I love the sky and the clouds.
“I’m a trainee paraglider, so I’m in a constant state of awe with our skies.
“But this really took me by surprise.
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“I’ve never seen a formation like it before.
“It was quite unique and had such an ethereal look to it.”
According to the Met Office, Fallstreak holes form in clouds of supercooled water droplets,
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Aircraft punching through the cloud can cause the supercooled droplets to freeze and fall from the cloud layer in a distinctive pattern.
