I9O3 



INTERNATIONAL ANTARCTIC COOPERATION 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 



WITH WINDS AND AIR TEMPERATURES 

 SEPTEMBER | (9Q3 SEPTEMBER 



40- ISO ISO' 170- ISO' 170 180' ISO 



I/O IBtr I7O 160 



30 20- 10 10 20 30' 



zu 10 o 20 30 40 



I9O3 



SEPTEM BER 



3 I9O3 



SEPTEM BER 



For explanation see Key ma.p 



