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A storm system with mammatus (mamma) approaching Saltcoats, North Ayrshire, Scotland
Mammatus (Mamma) over Mantua, New Jersey, US
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Mammatus (Mamma) over Kottayam, Kerala, India
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Sings of mammatus (mamma) over Porvoo, Finland
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A dissipating storm with signs of mammatus (mamma) over North Brunswick, New Jersey, US
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Mammatus (Mamma) spotted over Sauve, France
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A panoramic view of mammatus (mamma) over Lincoln, Nebraska, US
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A vivid display of mammatus (mamma) over College Station, Texas, US
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A classic example of mammatus (mamma) over Paris, France
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A dynamic storm system with high wind gusts near Brighton, Colorado, US
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Signs of mammatus within the context of a passing storm over Northern California, US
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Turbulent skies at sunrise over Maui, Hawaii, US
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A dynamic view of undulatus and mammatus, ushering in the arrival of a front along the Oregon Coast, near China Creek Beach, Bandon, Oregon, US
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Following a particularly strong line of thunderstorms, accompanied by a few tornadoes in the region, Scott captured this stunning view of mammatus (mamma) as the storms departed the area near Plymouth, Wisconsin, US
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A storm system near Villafranca de los Barros, Spain
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Development of mammatus in conjunction with a storm system over Northwest Iran
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