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 learning garden
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Fibonacci Day
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These laurels are hardy
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Cool water in the Quinault
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Vinh Hy Bay, Vietnam
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National Bird Day
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Bridge of Hillsborough County
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From Sputnik to extraterrestrial storms
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Midwinter freeze
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Colorful cows of the reef
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International Day for Biological Diversity
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A star blows a bubble
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The ‘Night of Nights’
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International Day of Peace
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We stand with Ukraine
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A grotesque scene
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Watch your step
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Holey moley–it’s National Doughnut Day!
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Flocking together in the Antarctic
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Bluebells in Hertfordshire, England
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Across the great plains of Africa
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Pascua Florida Day
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Staring down winter
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It s truffle season here in the Dordogne Valley
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International Archaeology Day
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A theatrical dream
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World Teachers Day
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Flamingos of the Chilean desert
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Oh, to sleep under the northern lights
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Can you see the family resemblance?