TABLE 3. CLOUD TYPE 



TABLE 4. CLOUD AMOUNT 



Code 



Code 







Stratus or Fractostratus 







No clouds 



1 



Cirrus 





1 



Less than 1/10 or 1/10 



2 



Cirrostratus 





2 



2/10 and 3/10 



3 



Cirrocumulus 





3 



4/10 



4 



Altocumulus 





4 



5/10 



5 



Altostratus 





5 



6/10 



6 



Stratocumulus 





6 



7/10 and 8/10 



7 



Nimbostratus 





7 



9/10 and 9/10 plus 



8 



Cumulus or Frac 



;tocumulus 



8 



10/10 



9 



Cumulonimbus 





9 



Sky obscured 



TABLE 5. SEA AMOUNT 



Code 





 ] 

 2 

 3 

 4 

 5 

 6 

 7 



Mean Max. Height 



of Sea Woves 



in feet (Approx .) 









- 



V3 



1/3 - 



I 2/3 



1 2/3 - 



4 



4 - 



8 



8 - 



13 



13 - 



20 



20 - 



30 . 



30 - 



45 



over 



45 



Description 



Calm (glassy) 



Calm (rippled) 



Smooth (wavelets) 



Slight 



Moderate 



Rough 



Very rough 



High 



Very high 



Phenomena!'' 



As might be expected in center of hurricane. 



89 



