The basic answer to this question is related pressure. Wind is simply moving air caused by differences in air pressure in the atmosphere. The difference in pressure over some distance is called a ...

In previous columns, we discussed the importance of understanding the gradient wind as a basis for predicting where the next shift will come from ( Strategy, April 98). Similarly, the gradient wind ...

Lake sailing is more complex than sailing on the open sea, but more predictable. A lake, like any body of water enclosed by land, is subject to gradient winds, always offshore, and by thermal winds — ...