Cumulonimbus
Cirrus
Nimbostratus
Stratus
Stratus
Altocumulus
Cirrus
Cumulus
Cumulus
Cumulonimbus
Nimbostratus
Stratus
Nimbostratus
Altocumulus
Cirrus
Cumulonimbus
Rain-bearing
Fluffy and white
High altitude
Thin and wispy
Cumulus
Cirrus
Nimbostratus
Stratus
Water droplets or ice crystals
Dust and smoke
Oxygen and nitrogen
Steam and fog
Low (0-2 km)
Above 12 km
High (6-12 km)
Middle (2-6 km)
Cirrus
Cumulus
Nimbostratus
Stratus
Cirrus
Cumulus
Nimbostratus
Stratus