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During these two domestic flights within Brazil the aircraft closely passed Cumulonimbus clouds. So Mammatus dents could be clearly recognized below the anvil of the cloud (see the red marked area in Mammatus1.jpg). Mammatus4.jpg and Mammatus14.jpg were taken at the same flight that is documented in Views of Tropical Cb. Especially Mammatus13.jpg and Mammatus14.jpg - where the dents occur below the outermost end of the anvil of a Cb - display how the air decreases out of the anvil. The cooling necessary for this is generated by evaporating ice-crystals. |
Mammatus1.jpg to Mammatus3.jpg: S. Borrmann, flight from Sao Paulo
to Fortaleza, Brazil, 18 February 2004 around 1:20 p.m. |
Camera Parameters Olympus E-1 SLR with a 14-54 mm objective. Exposure and ASA sensitivity
choice were performed by the camera. The colour range was set to
sRGB with a resolution of 2560 x 1920 Pixel x 24 colours. |