Lecture 3 Winds (English)
Definition: - "The wind that flows parallel to the earth with horizontal speed is given the noun of pure." Or "Wind is such a moving air, whose direction is necessarily parallel to the earth's plane". Ø There are two types of motion in the atmosphere, vertical and horizontal. Ø When the air moves from the ground to the top or from the top to the bottom, then this movement is called air wave. Normally we are not able to feel this speed. The origin of clouds, rain, etc. are the result of vertical movement. Ø When there is horizontal movement of air parallel to the earth, it is called wind. Ø Winds are named according to the direction in which they blow, such as if the wind is coming from the east, then it is called east and if it is coming from west, then it is called westerly wind. v Types of Winds 1. Trade Winds: - Due to continuous high temperature at the equator, the air there rises upwards. Thus, a low air pressure area is formed here be...