Cu radiatus

A parallel strip of cloud over the southwestern side of Malta known as cumulus radiatus. This photo was taken via the `Panorama` setting of my Iphone. In fact, the first thumbnail shows that the cloud had such horizontal extent that it was visible from space through satellite image. For such cloud to form, a consistent and wide area of warm air needs to rise. Althaugh, the surface pressure indicated no cold front, my opinion is that the introduction of Mistral wind under relatively stable conditions was the cause of that cloud formation since it pushed colder air southwards shown in the second thumbnail through the freezing level chart which indicated colder weather to the north of Malta while the third thumbnail shows `Thermal` due to steep lapse rate at the very low levels of the atmosphere but stable air above it. The fourth thumbnail shows the Azores high pressure cell extending well towards the Mediterranean.

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