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.
“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,
Aircraft punching through the cloud can cause the supercooled droplets to freeze and fall from the cloud layer in a distinctive pattern.
