Ikble 3.— Cloud type 



Code 



Stratus or Fractostratus 



1 Cirrus 



2 Cirrostratus 



3 Cirrocumulus 

 h Altocumulus 



5 Altos tratus 



6 Stratuscumulus 



7 Nimbostratus 



8 Cumulus or Fractociimulus 



9 Cumulonumbus 



Table k. — Cloud amount 



Code 



Table 5- — Sea amount 



12 



