u 



''■ 'I' 1 " ' ■ ■ ■ -M.i|i +5 





■l. 



ISOBARIC LINES 

 AND PREVAILING WINOS 

 OF THE GL 



OCTOBER 



* Variable Winds ■ ' ' 1m1 



EXPLANATION OF COLOURING 



LBO MO 100 Ho MO 





