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The Weekly's Photo: an UFO?
Rome, Italy - Freak of the nature
As air flows over mountain barriers, orographic lift can create a variety of cloud effects. One could be the "Lenticular clouds" that are stationary lens-shaped clouds that form at high altitudes, normally aligned at right-angles to the wind direction. Lenticular clouds can be separated into altocumulus standing lenticularis (ACSL), stratocumulus standing lenticular (SCSL), and cirrocumulus standing...
AVIONEWS - World Aeronautical Press Agency - 1100790
AVIONEWS - World Aeronautical Press Agency
AVIONEWS - World Aeronautical Press Agency