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Optical Effects
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Mammatus (Mamma) spotted over Piazza Università, Catania, Italia
Mammatus (Mamma) spotted over St John's College, Cambridge, England
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A classic example of Mammatus (Mamma) spotted over Denver, Colorado, US
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Mammatus (Mamma) spotted along the outline of a storm, near Mandurah, Western Australia, Australia
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Mammatus (Mamma) over Monument, Colorado, US
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Mammatus (Mamma) spotted over Petaling Jaya, Malaysia
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An expansive display of Mammatus (Mamma) spotted over Bulga, New South Wales, Australia
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A lightning strike with Mammatus (Mamma) formations spotted over Antwerp, Belgium
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Mammatus (Mamma) spotted near Gent St-Aandsberg, Belgium
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Mammatus (Mamma) spotted shortly after a thunderstorm near Allestree, Derby, England
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A storm system hovering over Mt. Shasta, California, US
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Precipitation cascading down from a storm, accompanied by Mammatus (Mamma) within the underside of its cloud formation, spotted over Fayetteville, Arkansas, US
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A classic example of Mammatus (Mamma) spotted over Moose Jaw, Saskatchewan, Canada
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Mammatus (Mamma) following a thunderstorm near Tremosine, Italy
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Mammatus (Mamma) spotted between afternoon storms near Honor Oak Park, London, England
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Mammatus (Mamma) spotted following thunderstorms near Lewisham, London, England
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