Nephology » As du

As du

Altostratus duplicatus
variety of Altostratus

Altostratus composed of two or more superposed layers, at slightly different levels, sometimes partly merged.

nephology.eu documents clouds observed and recorded by Martin John Callanan.
Definitions according to International Cloud Atlas (1956 edition).

Descriptions of Clouds

Ac
- Ac cas
- Ac du
- Ac flo
- Ac la
- Ac len
- Ac op
- Ac pe
- Ac ra
- Ac str
- Ac tr
- Ac un
As
- As du
- As op
- As ra
- As tr
- As un
Cb
- Cb cal
- Cb cap
Cc
- Cc cas
- Cc flo
- Cc la
- Cc len
- Cc str
- Cc un
Ci
- Ci cas
- Ci du
- Ci fib
- Ci flo
- Ci in
- Ci ra
- Ci spi
- Ci unc
- Ci ve
Cs
- Cs du
- Cs fib
- Cs neb
- Cs un
Cu
- Cu con
- Cu fra
- Cu hum
- Cu med
- Cu ra
Ns
Sc
- Sc cas
- Sc du
- Sc la
- Sc len
- Sc op
- Sc pe
- Sc ra
- Sc str
- Sc tr
- Sc un
St
- St fra
- St neb
- St op
- St tr
- St un