WHOLE VOL. 



LAT. 80° N. 



503 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 80° N. Long. 90° E. 



950 mb. + 



Lat. 80° N. Long. 100' 

 950 mb. + 



64.7 07.0 59.0 05.3 68.4 



04.4 62.8 66.1 64.1 72.4 



62.7 58.7 54.6 00.0 61.2 



00.0 58.8 60.4 60.6 07.1 



68.6 54.0 08.2 62.7 



65.5 



73.2 59.6 64.1 67.1 



57.6 63.2 67.3 ... 08.6 

 62.2 58.2 60.2 02.9 57.0 



54.7 50.2 50.1 00.0 69.5 

 57.0 72. i) 



61.0 62.3 60.4 64.9 66.0 



67.3 



65.0 

 65.7 

 63.9 

 66.7 

 62.9 



64.4 

 65.0 

 60.5 



64.3 



17 



