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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Autumn equinox
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A goldie gala
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Who s there? The largest owl in the world
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Dragon dance performed in Chenzhou, Hunan Province, China
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High above the reef
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Great wildebeest migration at Mara River, Kenya
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The story of the poinsettia
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The monsoon arrives in the desert
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Dalyan, Turkey
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Fog above the forest
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Red lechwe, Okavango Delta, Botswana
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American bison
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Celtic Colours International Festival, Canada
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Quilts as high art
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World Turtle Day
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Dunluce Castle, County Antrim, Northern Ireland
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International Day of Forests
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Wandering Watkins Glen
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Goliath heron in Kruger National Park, South Africa
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The village of Castelluccio above the Piano Grande, Umbria, Italy
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National Poinsettia Day
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Red deer stag in Glen Affric, Scottish Highlands
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World Dolphin Day
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Honoring those who served
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Saint Nicholas Day in Verbier, Switzerland
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Wheels up in Beijing
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Feel the spray in Monterey
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Playa del Silencio, Spain
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Last day of National Park Week
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Celebrating Flag Day: ‘O long may it wave’
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