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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Blue paradise on the Costa Brava
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A century since Tut s tomb was discovered
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Sleep tight, little hedgehog
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In memory of those lost
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Nuwara Eliya, Sri Lanka
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Norway s Kjeragbolten boulder
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All eyes on sustainability
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Montreux, Switzerland, and all that jazz
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That bill s just not going to fit
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Ring of fire
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A legend and a legendary home
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Instant romance
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Yosemite National Park, California
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A good time in the Badlands
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Happy Pi Day!
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Polar bear season in Manitoba
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International Day of Peace
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From garden to table?
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Happy World Photography Day!
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Spring equinox
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Take a hike near Lovers Lane
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A truly American monument
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It s World Poetry Day
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Back to the nest
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An ancient sailing tradition takes to the water
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Let the holiday shopping commence
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A snuggling ball of cute
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In honor of those we ve lost
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Row, row, row your gondola
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A. M. Foster Bridge in Cabot, Vermont