…The Morning Glory Cloud [meteorologicalPhenomenon]

Amusing Planet – The Morning Glory cloud is a rare meteorological phenomenon observed in Northern Australia’s Gulf of Carpentaria. A Morning Glory cloud is a roll cloud that can be up to 1000 kilometers (620 mi) long, 1 to 2 kilometers (0.62 to 1.2 mi) high, and can move at speeds up to (37 mi) 60 kilometers per hour. The Morning Glory is often accompanied by sudden wind squalls, intense low-level wind shear, a rapid increase in the vertical displacement of air parcels, and a sharp pressure jump at the surface. In the front of the cloud, there is strong vertical motion that transports air up through the cloud and creates the rolling appearance, while the air in the middle and rear of the cloud becomes turbulent and sinks.

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