54° 53° 52° 5f 5Cf 4^ 48° 47° 46° 45° 44° 43° 42° 41° 40° 



ICE CONDITIONS ▲ BERG SEA ICE CONCENTRATION 



FOR 1200 GMT 30 JAN 1973 | GROWLER (MinD LESS THAN 6 OKTAS 



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

 FORECAST CONDITIONS. 



Figure 4.— Ice Conditions, 1200 GMT 30 January 1973. 



