Cb incus

The day was characterized by continuous cumulus and cumulonimbus cloud formations. The weather situation causing these cumuliform clouds to form was primarily due to an upper-level trough over the Central Mediterranean as per fifth thumbnail characterized by cold upper-level temperatures of around -25C inducing a very steep lapse rate or fall in temperature between the surface air warmed up by a sea of still 21C and the mentioned cold at 5km altitude. As per photo on the third thumbnail these Cb clouds developed from huge quanitites of cumulus mediocris clouds photographed early. The weather sounding on the fourth thumbnail depicts the steep lapse rate and shows some instability throughout the air column. Focusing on the main photo itself, the cumulonimbus capillatus incus cloud was characterized by an over-shooting top depicting the force by which the air bubble was rising as it contrasted with a warm sea. The first thumbnail photo shows a cloud that is called ‘Cirrus spissatus cumulonimbogenitus’ because the cloud had not completely transformed into cirrus as the rainbow underneath it clearly shows that rain was still falling from underneath the former cumulonimbus cloud anvil. The second thumbnail is another photo showing virga or rain falling from a cumulus clouds, a few minutes later nothing remained of that cloud as it was rained down.

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