Lightning strikes are common during the summer monsoon in southwestern US states and northwestern Mexico. In Arizona and New Mexico, powerful thunderstorms roll in most every afternoon from early July until mid-September. Here, in the Sonoran Desert north of Tucson, Arizona, severe weather over saguaro cactus makes for a dramatic scene.
The monsoon arrives in the desert
Today in History
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International Leopard Day
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Where the wildflowers grow
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Too awesome to be a planet
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Burns Night in Scotland
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National Fossil Day
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Waitangi Day in New Zealand
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An inland ocean
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Giving Tuesday
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Moselle River loop near Kröv, Germany
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Summer solstice
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Life in a North African town
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Bonifacio on the island of Corsica, France
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Casting a vote for women s history
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Hang Sơn Đoòng Cave, Vietnam
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International Dark Sky Week
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World Theater Day
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St. Paul Winter Carnival
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Reflecting on Black History Month
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Short-eared owl
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The 80th anniversary of D-Day
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The Millennium at 20
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A polar bear near Churchill, Manitoba, Canada
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Celebrating Indigenous Peoples Day
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World Otter Day
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Last day of National Park Week
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Migrating wildebeest crossing Mara River in Masai Mara, Kenya
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March of the flowers
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The Belogradchik Rocks in Bulgaria
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The Brocken, Harz National Park, Germany
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Infrared Jupiter, erupting Io
Bing Wallpaper Gallery

