5^ 

 5f 



5Cf 

 4^ 

 48r 

 47° 

 4^ 

 4^ 

 44° 

 43° 

 42° 

 41° 

 40° 

 39° 



54° 53° 52° 51° 5CP 49° 48° 47° 46° 45° 44° 43° 42° 41° 40° 



ICE CONDITIONS ▲ BERG SEA ICE CONCENTRATION 



FOR 1200 GMT31MARJ72 ■ GROWLER MM LESS THAN 6 OKTAS 



BASED ON OBSERVED AND X RADAR TARGET ^ 6 OKTAS OR MORE 

 FORECAST CONDITIONS. 



FiGUEz 7.— Ice Conditions, 1200 GMT 31 March 1972. 



