58 



WEATHER FORECASTING. 



Should a subsidiary V develop, extending from Mossel 

 Bay to the neighbourhood of Tulbagh or thereabout, rain may 

 be looked for over the western half ; that to the south-west may 

 reach the Peninsula and extend to Clanwilliam. 



TYPICAL 

 INVERTED V 

 DEPRESSION. 



Alt-Ci'. 



Detached 

 Cr. Sh 



Normal 



SECONDARY WITH HIGH PRE53UQE 

 TO N 



EASTERN RAIN AND 

 THUNDER LOOP. 



When the last of the series of V depressions has passed 

 oft" to the east the high usually follows as a wide egg- 

 shaped tongue with south-west winds along the coast and south 

 east winds over the interior ; the greater the difference between 

 the low and the following high the greater the probability of 



