The three chief types of winds are Trade winds, Westerlies and polar winds.
Trade winds : **** along the tropical belt from sub-tropical High to equatorial low pressure belts. The name trade is given due to the past time, when trade ships were sailed according to the direction of these winds.
Westerlies : are the winds blowing from western direction. These are south-westerly in northern and north-westerly in the southern hemispheres.
The Polar : winds are icy cool winds blowing from poles towards Circum polar low pressure belts, which are also known as Blizzards.
