TYPES. 



75 



TYPES 



07 



AUSTRALIAN WEATHER 



DECEMBER iZaaos 



LOW 



Cyclonic thunderstorms 

 I3&.I4 



On the following day, Chart No. 14, a cyclonic circulation has 

 formed in the end of the tongue, while the \ depression over* 

 Sydney on the 12th has moved eastward and nearly filled up, and 

 the high pressures have followed and intensified. The thunder- 



