MONTHLY NORMAL DYNAMIC 

 TOPOGRAPHY FOR APRIL 



53°W 51° 49° 47° 45°W 



50°N 



48° m 





970.9 -\V.\v 



s / 



\ v -- 



\ \ \ V 





IOOO maters 



46* 



44< 



42°N 



971.0 



50° N 



48* 



971.2 



46' 



44 < 



42°N 



53°W 51° 



49° 



47' 



45°W 



Figure 26. — April monthly normal dynamic topography (dynamic meters) of the sea surface rela- 

 tive to the 1,000 decibar surface. Contour interval is 2 dynamic centimeters 



37 



