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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International Day of Peace
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Moving as one
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Smithsonian Secretary Lonnie Bunch on the institution s 175th anniversary
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Third Thai-Lao Friendship Bridge connecting Laos and Thailand
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Ayutthaya Historical Park, Thailand
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St. Patrick s Day
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Trevi Fountain, Rome, Italy
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International Lighthouse Weekend
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Happy Mothers Day!
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The Children’s Cultural Festival in Reykjavik begins today
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Travel Sunday: On the Ganges in Varanasi, India
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World Bee Day
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Happy Halloween!
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Armbrug bridge, Amsterdam, Netherlands
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National Gardening Week
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Decorating for Diwali
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Lion cubs, South Africa
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Edinburgh Festival Fringe
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Ancient storage in the Grand Canyon
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Happy Mother’s Day
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Devils Bridge, Kromlau, Saxony, Germany
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Polar Bear Week
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Albuquerque International Balloon Fiesta
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Frankenstein Friday
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National Bison Day
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Feature Attraction: 85 years at the drive-in
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Wahclella Falls, Oregon
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Honoring the first American woman in space
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Lavender rows, Plateau de Valensole, Provence, France
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Wallabies at sunrise, Australia
Bing Wallpaper Gallery

