Wind is the movement of air from high-pressure area to low pressure areas. It is divided into three types:
1. Permanent winds
2. Seasonal winds
3. Local winds
1. Permanent winds. The trade winds, westerlies and easterlies are the permanent winds. These blow constantly throughout the year in a particular direction.
2. Seasonal winds. These winds change their direction in different seasons. For example: monsons in India.
3. Local winds. These winds blow only during a particular period of the day or year in a small area. For example: land and sea breeze. Loo is a local wind which hot and dry and blows in the northern plains of India during summers.
