ATTENUATION BY RAIN 



293 



w 

 w 



<; 

 '^ 



w 



> 

 I— I 



H 



<: 



w 

 Pi 



O-G 



Figure 7.18. Relative total mass of liquid water in the air contributed by rain drops of 



diameter D for various precipitation rates. 



(Derived from Laws and Parsons' distributions for a horizontal surface by dividing by the appropriate 



terminal velocities.) 



