In north latitudes, face the wind and the barometer will be lowest to your right. | |
In south latitudes, face the wind and the barometer will be lowest to your left. |
Wind flows almost parallel to isobars, cutting them at small angle. | |
Wind always blows from high pressure to low pressure. | |
This phenomenon is simplified in Buys Ballot's Law. | |
Using this principle, the position of a law may be determined. |