INTERNATIONAL ANTARCTIC COOPERATION 



I9OI 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 



WITH WINDS AND AIR TEMPERATURES 

 DECEMBER 4- I9OI DECEMBER 



]O" ISO* 160* 170' J0" 170 l0 ISO' 140' 



3O* 20" TO 0" 10" 20" 30" 



140* ISO* 160* 170 160^ 170 160 lap' 



JO* 20* 10* 0' 10* 20* 30* 



1901 



DECEMBER 



140' WO" WO" 170" :0" 170- l0- 180- 1+0* 



For expla.na.tion see Key map 



