A
- Altocumulus (Ac)
- Altocumulus asperitas (Ac asp)
- Altocumulus castellanus (Ac cas)
- Altocumulus cavum (Ac cav)
- Altocumulus cumulogenitus (Ac cugen)
- Altocumulus cumulonimbogenitus (Ac cbgen)
- Altocumulus duplicatus (Ac du)
- Altocumulus floccus (Ac flo)
- Altocumulus fluctus (Ac flu)
- Altocumulus lacunosus (Ac la)
- Altocumulus lenticularis (Ac len)
- Altocumulus mamma (Ac mam)
- Altocumulus opacus (Ac op)
- Altocumulus perlucidus (Ac pe)
- Altocumulus radiatus (Ac ra)
- Altocumulus stratiformis (Ac str)
- Altocumulus translucidus (Ac tr)
- Altocumulus undulatus (Ac un)
- Altocumulus virga (Ac vir)
- Altocumulus volutus (Ac vol)
- Altostratus (As)
- Altostratus opacus (As op)
- Altostratus translucidus (As tr)
- Asperitas (asp)
- Aureole
C