euronews (in English)
Published on Mar 31, 2015
Stormy weather in the southeast of America made for swirling cloud formations on Monday March 30.
The official name for the ‘wave cloud’ formation is Undulatus Asperatus, which was captured on multiple handheld devices in the states of South Carolina and Georgia.
The wavy-looking phenomenon is not currently recognised as an official cloud category by the World Meteorological Organization