Cf	Cumulus (humilis)
Cu	Cumulus
Cg	Cumulus (congestus)
Ct	Towering cumulus
Cb	Cumulonimbus
St	Stratus
Sc	Stratocumulus
Fr	Fractus
Ns	Nimbostratus
As	Atlostratus
Ac	Altocumulus
Ci	Cirrus
Cs	Cirrostratus
Cc	Cirrocumulus



Table 11: Abbreviations for major cloud types.