67 68 69 70 71 



79 78 77 



75 74 72 73 



100 



200 



300 



400 



<r 



UJ 



H 

 UJ 



500 



T 



?<25 



T 



• • 



UJ 

 Q 



600 



700 



800 



900 



1000 



• • 



• • 



J_J I L 



■ I i 'I 



30° 32° 34° 



I43°W 



36° 



26° 28° 30° 



NORTH LATITUDE 



i I I I I I I LL 



38° 



32° 34° 



I4I°W 



36 



Figure 46. --Vertical section of sigma-t along 143 W. longitude, stations 67-71. 



Points indicate observed values. 

 Figure 47. --Same for 141 W. longitude, stations 72-79. 



51 



