by Sara Malm March 18, 2019 (dailymail.co.uk)
• On March 17th, citizens were baffled after a mysterious ‘whirlpool hole’ suddenly appeared in the sky above the city of Al Ain, United Arab Emerates, near the border with Oman. The large circular patch of clear sky emerged inside the otherwise heavy cloud, as if somebody had punched a hole in the atmosphere.
• Meteorologists rushed to explain the mystifying hole. When high-level clouds have super-cooled but not frozen water droplets, an aircraft moving through this cloud layer can cause air to expand and cool as it passes. This causes a ‘fallstreak hole’ which can expand up to 30 miles across within an hour of appearing as neighboring droplets start to freeze.
• Astronomer and meteorologist Ebrahim Al Jarwan posted the video clip of the hole, confirming that the ‘rare and beautiful’ sight was referred to as a ‘fallstreak hole’ or ‘hole punch cloud’. These are often mistaken for an extraterrestrial UFO.
UAE citizens were left baffled after a mysterious ‘whirlpool hole’ suddenly appeared in the sky above the city of Al Ain this weekend.
The large circular patch of clear sky emerged inside the otherwise heavy cloud near the border with Oman, as if somebody had punched a hole in the atmosphere.
Astronomer and meteorologist Ebrahim Al Jarwan posted a short video clip of the hole on Twitter, adding that the ‘rare and beautiful’ sight was referred to as a ‘Fallstreak hole’ or ‘hole punch cloud’.
One user replied that it looked as as if ‘God has thrown a stone into a lake’, while others pondered whether the strange phenomenon had been caused by an extra terrestrial UFO.
But meteorologists quickly cleared up the mystery with a scientific explanation for the mystifying hole.
see 1:07 video of whirlpool-like ‘fallstreak hole’ appears in sky (from Ebrahim Al Jarwan)
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