77?^ Stratospheric Circulation 



677 



90' 80° 70° 60° 50° 





20° 10° 0" 10° C0° 3C 



W 120' 110° iOO° 90° 80° 70° 60° 50° 40° 30° 20° 10° 0° 10° 20° 30° 40° 50° 60° E 



Fig. 319. Absolute topography of the 800-decibar surface (smoothed representation). 



(Dynamic isobaths north of the subtropical convergence region drawn from 1 to 1 dyn cm, 



otherwise from 5 to 5 dyn cm.) 



