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
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A crush in Lavaux
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Squirrel Appreciation Day
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Surf s always up in Paia
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A lofty lighthouse and a little ocean spray
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Nomads of the Gobi
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Thomas Jefferson Memorial, Washington, DC
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World Sea Turtle Day
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A rest stop for the birds
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Mandarin duck, Richmond Park, London, England
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Waiting for the perfect shot
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Southern right whales sail home to South Africa
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The Crown Jewel of the North Atlantic
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Deep in the North Woods wetlands
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The Bahamas as seen from the ISS
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Dancing in The Nutcracker
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Summer winds down in the Southern Hemisphere
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Merry and bright
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World Lizard Day
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Star Wars Day
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Frozen beauty
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Ruins of a royal temple
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Siblings Day
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Where fire meets water
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Winter scenery near Kuhmo, Finland
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Go with the rainbow flow
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National Hummingbird Day
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Tom Turkey takes Manhattan
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Life in the slow lane