This unusual cloud over Australia,
formed when rain evaporates below a parent storm, moisture is in the air leading to a secondary cloud formation. Called a scud cloud and darkened by its position relative to the sun 1/2
📹Jon Wood Tik/Tok
Iridescent clouds are a diffraction phenomenon caused by small water droplets or small ice crystals individually scattering light. They often occur on lenticular clouds on top of a cumulonimbus, called pileus
[read more: https://t.co/5BjLnzKzTd]