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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The power of the forest
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A reflection of Europe s past
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International Lighthouse Weekend
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Iguazu Falls at the border of Argentina and Brazil
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Heceta Head Light, Florence, Oregon
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San Francisco Bay salt flats
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Patriot Day
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Maple and bamboo forests in Arashiyama, Kyoto, Japan
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Behold the mighty Aldeyjarfoss
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Of balloons and lost pantaloons
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World Olive Tree Day
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Mildred B. Cooper Memorial Chapel in Arkansas
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Mack Arch Rock
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Black bear cub emerging into spring
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Paradise, found
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US Coast Guard: Protecting us for 105 years
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Old Rock Day
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White trilliums blooming in Ontario, Canada
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Wyoming celebrates its statehood
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An island for the birds
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Staring down winter
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Take a break! It s Labor Day!
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National Umbrella Day
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National Mushroom Day
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Red fox in the Netherlands
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Let s face it: It s World Emoji Day
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Going head-to-head with winter
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World Parrot Day
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A Eurasian lynx in Siberia
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Wild and Scenic Rivers Act
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