@bripmo Twitter accountOther viewers confirmed the strange shapes were known as Mammatus clouds and were seldomly seen, due to the unusual atmospheric conditions needed.One said: "They are Mammatus clouds.
They occur when the atmosphere is unstable."Another person joked: "Is it wrong I call them boob clouds?"Someone else tweeted: "Quite right actually, it's where their name comes from...
The name Mammatus is derived from the Latin mamma (meaning 'udder' or 'breast')."A fourth viewer observed: "Sort of looks like there's a face in the clouds when you turn the phone around.
Very creepy. Awesome photo."Someone else said: "Aw man, you’re very lucky to see those, I’m slightly jealous.""Lotta energy in those clouds.
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