Check out these Kelvin-Helmholzt clouds over Poole Harbour. They are extremely rare, producing a repetitive wave pattern. They occur when two different layers of air in our atmosphere are moving at different speeds, faster at the top and slower at the bottom. They are named after Hermann von Helmholtz and William Thomson Kelvin, meteorologists who studied turbulent air flow #clouds #cloud #iloveclouds #meteorology #weather #weatherpictures #poole #dorset #bbcsouthtoday [ repost @bbcsouthtoday ]

February 09, 2017 at 01:45AM Check out these Kelvin-Helmholzt clouds over Poole Harbour. They are extremely rare, producing a repetitive wave pattern. They occur when two different layers of air in our atmosphere are moving at different speeds, faster at the top and slower at the bottom. They are named after Hermann von Helmholtz and William Thomson Kelvin, meteorologists who studied turbulent air flow #clouds #cloud #iloveclouds #meteorology #weather #weatherpictures #poole #dorset #bbcsouthtoday [ repost @bbcsouthtoday ]
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