INTERNATIONAL ANTARCTIC COOPERATION. 



'903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 

 WITH WINDS AND AIR TEMPERATURES 



APRIL 14 IQ03 APRIL 



15 



I4O* ISO* 160* 170' ISO' 170' 160* 150* HO' 



30' 20* 10* 0* 10* aO* 3O* 



1*0* ISO* 160* 170' 180' 170" ISO* ISO' 140* 



uo1 



30* 20* 10* 0* 10' 20' 30* 40* 



1903 



APRIL 



16 I9O3 



APRIL 



i40* io* io* iro* mo' no* i<f lao 



140* ISO* 160* 170' ISO* 170* 160 ISO' 



For explanation see Key map. 



