[To face page 5S5. 



N.E. 



Feet 

 14,000- 



12.000- 



10.000 



cooo 



6000- 



4000 



2000- 



Sea Level 



© 



o 



N.E trade 





- Upper S.E. air current g yy 



x) ^n/;A of cumulus bey ins 



) S^i,to form at noon, 

 y J) 



/ 



« MWQi^^MMTlM 



Be'.i or Sea of cumulus begins to form 8 to 9 a.m. 

 disappearing at night. 



Updraught 



Feet 

 ri 4. 000 



12.000 



1 0. OOO 

 -8000 

 -6000 



400O 



2O0O 

 Sea Leuel 



Diagram illustrating the prevailing cloud-formations of Mauna Loa during 



August, 1S97. 



