Cumulus congestus pileus, Cirrus spissatus cumulonimbogenitus, Cirrostratus cumulonimbogenitus i Altocumulus stratiformis perlucidus undulatus (Cu con pil, Ci spi cbgen, Cs cbgen, Ac str pe un) Capulin National Monument (New Mexico), 14.9.1999, 14:00 MOZ, Blick W  © Copyright: Bernhard Mühr