Incredible "dust devil" phenomena at Iceland's black lava beaches

A dust devil in Mýrdalssandur.

A dust devil in Mýrdalssandur. Photo/Stefan Christmann

Dust devils are small-scale rotations on the ground not associated with severe weather or tornado-producing thunderstorms. The swirling air is made visible by dust or dirt on the ground which means that they are more common in areas with loose dirt or sand. The underlying factor for sustainability of a dust devil is the extreme difference in temperature between the near-surface air and the atmosphere. 

Sandstrókur á Mýrdalssandi.

Sandstrókur á Mýrdalssandi. ljósmynd/Stefan Christmann

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