Cirrus clouds

nexttop cirrus

nexttop cirrus cloud system

Cirrus clouds usually indicates an approaching weather front.

Cirrus is a genus of atmospheric cloud generally characterized by thin, wispy strands. This cloud can form at any altitude between 5.0 km and 14 km above sea level.Cirrus generally appears white or light grey in color.Cirrus clouds form on other planets, including Mars, Jupiter, Saturn, Uranus, and possibly Neptune.