Giant wave-like shelf cloud, seen near Sydney, Australia

This is a rare meteorological phenomenon called a skypunch. When people see these, they think it's the end of the world. Ice crystals form above the high-altitude cirro-cumulo-stratus clouds, then fall downward, punching a hole in the cloud cover. #Meteorology #Weather #Clouds

Awesome Cloud Tsunami. #tsunami #weather #clouds

Stormy sky.

In deep water: A car races on ahead as this waterspout appeared close to the shoreline at Batemans Bay, 225 km south of Sydney

Lenticular Clouds, Mount Fuji, Japan

Fire rainbow cloud: The rare phenomenon appeared behind a storm cloud near Delray Beach, Florida

storm clouds

Mjolnir cloud

Beautiful supercell storm cloud

incredible storm cloud

winter sky

storm clouds,

These clouds in New Zealand look unlike anything I've seen before. These clouds are a rare type of cloud called "Undulatus asperatus" which means "agitated waves".

'Storms do past' At: (Accessed 23.10.14)