WIND DIRECTION 

 N 



NE - 



E - 

 SE - 



S - 



sw - 



w - 



NW - 

 CALM — 



^^: 



II II II II 1 1 1 



1 Ill I I I I I I Ml I I ill ill I I 



WIND SPEEO(kts) 



Figure 28.— Surface wind velocity (kts) during WEBSEC-72, August-September, 1972. 



44 



