54° 53" 



52° 



51° 



50° 49° 48° 47° 46° 45° 44° 43° 



42° 



54° 53° 52° 



50° 49° 48° 47° 46 



44° 43° 42° 



Figure 1. Normal dynamic topography (dynamic meters) of sea surface relative to 

 1,000 decibars for April (Soule, 1964). 



