Ci spissatus

Morning formation of dense cirrus clouds at around 0720 CET, probably linked with a developing low pressure system over Africa as cold air had managed to penetrate into the continent. The first thumbnail of the satellite image showed that there were lots of high level clouds which would probably qualify the photographed clouds as “cirrus spissatus intortus” meaning that these clouds are actually a haphazard accumulation of normal cirrus clouds which as they accumulate to form one cloud become more dense and eventually developing a grey base. However, Ci spissatus clouds are essencely the same being dense cirrus clouds. The weather sounding showed the cloud formation altitudes at between 8.1km and 10.6km with 2.5km thickness which are all typical values and heights for these particular clouds.

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