Cloud Formations

Cirrus

Cirrus uncinus

Cirrocumulus stratiformis

Cirrocumulus undulatus

Cirrostratus

Altocumulus

Altocumulus lenticularis

Altocumulus castellanus

Altocumulus undulatus

Altostratus

Cirrus and Altostratus undulatus

Stratocumulus

Stratocumulus cumulogenitus

Stratocumulus lenticularis

Stratocumulus castellanus

Stratus fractus

Stratus opacus uniformis

Nimbostratus virga

Cumulus humilis

Cumulus mediocris

Cumulus congestus

Cumulonimbus calvus

Single-cell Cumulonimbus

incus

Cumulus pileus

Cumulonimbus arcus

Stratospheric nacreous

Mesospheric Noctilucent

Translucent wave cloud

Fallstreak hole cloud

Mammatus cloud

Roll cloud