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Other Clouds
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Optical Effects
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Mammatus (Mamma), often associated with thunderstorms, are indicative of sinking cold air that's carried into warmer air layers and create the characteristic bumpy, rounded appearance, as seen here over Hovell's Creek, Geelong, Victoria, Australia.
Mammatus (Mamma) spotted by Sara's niece over Montana State University, Bozeman, Montana, US
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An approaching storm system near Brighton, Colorado, US
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Mammatus (Mamma) at sunset over Oro Valley, Arizona, US
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Mammatus (Mamma) following a storm over Wilson, Wyoming, US
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A storm system with mammatus (mamma) approaching Saltcoats, North Ayrshire, Scotland
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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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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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During an afternoon wherein there was a Tornado Warning for the county, mammatus (mamma) clouds develop in association with a storm, spotted over Wiliamson County, Texas, US
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A stunning reflection of mammatus (mamma) over Stoneridge Lake, Yukon, Oklahoma, US
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Mammatus (Mamma) over Mill Park, Melbourne, Australia
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Mammatus (Mamma), which can accompany thunderstorms, spotted over Boston Spa, West Yorkshire, England
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Mammatus at sunset over Siler City, North Carolina, US
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