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Friday, 7 August 2020

Local winds

Local winds 
The winds formed as a result of the local differences in the atmosphere are known as local winds.
Local winds are winds whose effects are limited to a relatively smaller area. Formed as a result of the local pressure differences, these winds are weak. Such winds exist in different parts of the world. 
These are known by different names in different places. Loo, Mangoshowers, and Kalbaisakhi are the local winds experienced in India. Chinook, Harmattan and Foehn are some of the local winds in other parts of the world.

Loo: Hot dry winds that blow in the afternoons over the northern plains of India during the months of May and June. These winds blowing from the Rajasthan desert raise the summer temperature of the North Indian plains. 

Chinook: The hot and dry winds that blow over the eastern slopes of the Rocky mountain chain of North America are called chinook. This wind which blows during the wintertime causes the melting of the snow in the Prairies region.

Mistral: The cold winds that blow in the southern slopes of the Alps mountains of Europe are called mistral. The influence of mistral is considerable in Southern France.

Foehn: The hot dry winds that blow over the northern slopes of the Alps mountains are called Foehn. This wind results in the melting of the snow in the eastern slopes and the growth of grass there. This helps cattle rearing in this region. 

Harmattan is a dry wind which blows from the Sahara desert towards West Africa. On the arrival of these winds, the humid and sultry conditions of West Africa improve significantly. Hence, people call these winds as the doctor.
The winds that blow in

Mango showers: South India during this season is called Mango showers. These wind cause the ripening and fall of mangoes and hence the name.
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