Write short note on: (a) Trade winds (b) Roaring Forties

1.	Write short note on: (a) Trade winds (b) Roaring Forties
Answer» (a) Trade winds: 1. Trade winds blow from the subtropical high pressure belt to the Equatorial low pressure belt in both the hemispheres. 2. They blow with great regularity, force and in a constant direction throughout the year. They are very helpful to the traders. (b) Roaring forties: 1. Westerlies are the permanent winds. 2. They blow from South West to North East in the Northern hemisphere and North West to South East in the Southern hemisphere. 3. The velocity of westerlies become so vigourous and fast to be called Roaring forties at 40°.

Answer»

(a) Trade winds:

1. Trade winds blow from the subtropical high pressure belt to the Equatorial low pressure belt in both the hemispheres.

2. They blow with great regularity, force and in a constant direction throughout the year. They are very helpful to the traders.

(b) Roaring forties: 1. Westerlies are the permanent winds.

2. They blow from South West to North East in the Northern hemisphere and North West to South East in the Southern hemisphere.

3. The velocity of westerlies become so vigourous and fast to be called Roaring forties at 40°.

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