Today is World Meteorology Day, so we’re high up in the atmosphere, above the clouds, for a satellite view of fallstreak holes. These gaps in the clouds are sometimes called hole-punch clouds. The holes form when supercooled water droplets suddenly freeze—often when a plane flies through the cloud—and then fall, leaving an opening in the formation. Scientists are still gaining new insights on how fallstreak holes form and behave.
What happened to these clouds?
Today in History
More Desktop Wallpapers:
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Serra de Tramuntana, Majorca, Spain
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In the valley of the doll
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Bluespotted ribbontail ray
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National Park Week: Yosemite National Park, California
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Santa Claus Village in Rovaniemi, Lapland, Finland
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Katahdin Woods and Waters National Monument anniversary
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How do ladybugs winter?
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Tibetan New Year
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Martin Luther King Jr. Day
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Black History Month
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A house of grand scale(s)
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South Beach in Miami Beach, Florida
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Winter solstice
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An island oasis in the Indian Ocean
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A ‘Superior’ paddle
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Navajo Bridge in Marble Canyon
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New Year s Eve
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Mid-Autumn Festival
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Iceland awaits the Yule Lads
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Celebrating women in science
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Blue Lagoon spa, Grindavík, Iceland
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Travels to the Oregon deep
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Happy birthday to the Peak!
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Legacy mural in Philadelphia
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World Wildlife Day
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World Oceans Day
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Welcome to the Hoh
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A wild, craggy corner of the United States
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Happy St. Patrick’s Day!
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Staircase of turquoise pools