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is a view of a flight directly above an anvil
cloud. The images from the close prospect of the aircraft
point out that the iced clouds do not have a fibre structure
anymore. They seem to be more grey diffuse. Further south
in the foothills of the Alps the aircraft closely passed several
Cumulonimbus clouds under development.
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They belong most probably to Cumulonimbus calvus ones because
of their relatively flat (not anymore cauliflower-like) cloud
surface. The intense convection could be clearly determined.
Also a Cumulonimbus incus was passed whose main cloud part
extended above the ice-shield. Look at
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Cb_incus17.jpg
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At the right side of the image an ascending Cumulus congestus
cloud is visible.
An additional Cumulus congestus with three convective towers
came across some minutes before and is pictured in
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Behind the Alpes the aircraft moved closely below or directly
above Cirrus clouds, most probably Cirrus fibratus. See
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The view of the ice-clouds again changes according to the
different distances. In Cirrus20.jpg a light white Altocumulus
layer can be recognized below the diffuse grey Cirrus cloud.
Approaching Florence Cumulus humilis clouds occurred at first.
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Further a hazy boundary layer at the Italian low mountain
range in the background occurred as well as arising Cumulus
clouds at the top of the boundary layer.
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S. Borrmann, flight from Frankfurt to Florence, 18 July 2001, 5:10
to 6:30 p.m.
Wilhelm Freddie, "The Egg of Giorgio de Chirico" (1941),
Oil on Canvas, 98 cm x 87 cm, Gallery 1900 - 2000, Paris
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