Lens Shaped Cloud Forms Over Popocatépetl Volcano

'Murmuration of Starlings twists across the sky & forms incredible spaceship-shaped pattern over Brighton Pier'

Whirlwind Forms Over Fissure at Hawaii's Kilauea Volcano, Spurting Lava

Beautiful sunset forms over Taal Volcano in the Philippines

Whirlwind forms over lava fissure at Kilauea volcano

Double rainbow forms over wall cloud

Funnel Cloud Forms Over Dauphin Island

Terrifying grey cloud forms during thunderstorm over Taiwan

Water vapor forms misty ‘clouds’ over New York’s Genesee River

Ominous Clouds Forms Over Gruver, Tornado Warning Issued

Shelf Cloud Forms Over Cancun Beaches

Dramatic Funnel Cloud Forms Over Hamburg, Germany

Wall Cloud Forms Over Trenton, Missouri

Thunderstorm Forms 'Wall Cloud' Over Minnesota Town

Watch as shelf cloud forms over Cape Cod in Massachusetts

Awe-inspiring rotating wall cloud forms over Kansas, USA

Epic shelf cloud forms over waters 40 miles off South New Jersey as storms hit Tri-State Area

Impressive funnel cloud forms over Hamburg, Germany

Stunning Rainbow Cloud Forms Over Costa Rica

Stunning 'sea of clouds' forms over China’s Tianzi Mountain

Shelf Cloud Forms Over Redcliffe Coastline