WINDS AND WEATHER 69* 



storm is approaching from the west or northwest; and its center 

 will pass near or to the north of the observer within twelve to 

 twenty-four hours, with winds shifting to northwest, by way of 

 southwest and west. Place a round disc on the map northwest of 

 your State. Air is blowing in toward the center of the disc; or a 

 low is passing over your State from the southeast toward the 

 northwest. 



When the wind sets in from points between east and northeast, 

 and the barometer falls steadily, a storm is approaching from the 

 south and southwest, and its center will pass near to the south of 

 the observer within twelve or twenty-four hours, with winds shift- 

 ing to northwest by way of north. The rapidity of the storm's 

 approach, and its intensity, will be indicated by the rate and the 

 amount of the fall in the barometer. 



General Indications. 



BAROMETER RISING 



1. A gradual but steady rise indicates settled fair weather. 



2. A very slow rise from a low point is usually associated with 

 high winds and dry weather. 



3. A rapid rise indicates clear weather and high winds. The 

 barometer rises for northerly wind (including from northwest, by 

 the north, to eastward), for dry or less wet weather, for less wind, 

 or more than one of these changes except on a few occasions when 

 rain, hail or snow comes from the northward with strong wind. 



BAROMETER FALLING 



4. A gradual but steady fall indicates unsettled or wet weather. 



5. A very slow fall from a high point is usually connected with 

 wet arid unpleasant weather, without much wind. 



6. A sudden fall indicates a sudden shower, or high winds, or ; 

 both. 



The barometer- falls for southerly wind (including from southeast 

 by the south to the westward), for wet weather, for stronger wind, 

 or for more than one of these changes except on few occasions when 

 moderate wind with rain (or snow) comes from the northward. 



" Veering " wind is a wind that moves from left to right; i.e., 

 " clockwise." 



