What is the difference between low latitude and mid latitude wind patterns in the northern hemisphere?

Question

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Answer 1

near the equator you have the trade winds that blow east to west. At the mid latitudes you have prevailing westerlies that blow from west to east. This is due to the coriolis effect on the Hadley cells.

Answer 2

In the low latitudes near the equator,easterly steady winds blow towards the equator which are called trade winds.In fact , they should blow from the north(in the northern hemisphere) but become easterlies because of coriolis force.These winds constitute what is called Hadley cell in which the upper winds blow in the reverse direction.
In the mid-latitudes the winds blow in the opposite direction.They are westerly winds blowing towards the poles.As above mentioned, coriolis force deflects the southerly wind into westerlies ,They constitute what is called Ferner cell in which the upper winds blow in the reverse direction.These westerlies are not as steady as the trade winds particularly in the northern hemisphere.But, in the southern hemisphere these westerlies are strong due to the vast ocean area due to which there is no mechanical obstruction to the flow of wind.So,they are called "Roaring Forties" here .