324 



SUGGESTIONS FOR WEATHER STUDY. 



36 



EXPLANATION 

 ^violent gale: * >gale: 



afresh to strong: ocalm. 



Alight to moderate: J 



FIG. 172. Weather Chart for 14th January, 1904, showing barometric pressure, 

 direction and force of the wind at the principal stations in Western Europe. 

 Chart compiled from data given on p. 321. An illustration of a Cyclone. 



