Mammatus, hanging, bag-like source forms at the bottom of a Storm cloud (Cumulonimbus), Baden-Wuettemberg, Germany, Europe

atmosphere atmospheric central europe clouds cloudy sky cloudy cloud cumulonimbi cumulonimbus cloud cumulonimbus dark deserted dramatic draped in clouds empty europe german federal republic germany hanging hang kumulonimbus mammatocumulus mammatus cloud middle europe mood nimbostratos nobody no one no people overcast sky overcast rain clouds rain cloud sky with cloud source springs spring storm clouds storm cloud thundercloud thunderhead thunderstorms thunderstorm undersides underside uninhabited waters water weather with clouds