Question
What is Kalbaisakhi? State their effects.

Answer

In May, hot and dry winds blow towards Bay of Bengal and warm and moist wind blow from Bay of Bengal towards land. When these winds collide, it results into heavy rain with thunderstorms. These storms are known as Kalbaisakhi in West Bengal and Assam and in Punjab and Uttar Pradesh they are called as Norwesters.
Benefits: This rain is useful for tea crop in Assam and for jute and rice in West Bengal.
Negative effects: They are harmful to the life and property.

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