A STUDY OF WEATHER MAPS 



259 



ing south of you (Fig. 183) . If the wind swings from southeast 

 through south to west, it is said to be a "veering wind" and 

 the center of the LOW is passing north of you (Fig. 184). If an 

 easterly wind gradually dies away and then springs up per- 



FIG. 183. Backing of the wind as the low passes south of the observer at 



Chicago. 



FIG. 184. Veering of the wind as the low passes north of the observer at 



Chicago. 



manently in the west or northwest, the center has passed near 

 you. 



LAW OF THE WINDS IN A CIRCULAR Low. The winds of a 

 low that is circular in form blow obliquely toward the center along 



