WHOLE VOL. 



LAT. 50 N. 



541 



SEA-LEVEL PRESSURE AT 10* INTERSECTIONS 



Lat. 50° N. Long. 150° E. 



950 mb. 4- 



Mean 61.4 52.1 55.8 58.5 61.4 62.2 61.6 61.7 63.1 61.1 58.6 61.9 



68.8 



Mean 48.2 49.0 64.5 58.6 60.3 61.9 63.4 62.9 62.9 59.6 67.4 49.1 



67.8 



