question_answer 16)

Now find out   (i)  Why are Thiruvanantapuram and Shillong rainier in June than in July?   (ii) Why is July rainier in Mumbai than in Thiruvanantapuram?   (iii) Why are south-west monsoons less rainy in Chennai?   (vi) Why does Delhi receive more rain than Jodhpur?   (v) Why is Kolkata rainier in July than in June unlike Shillong which is rainier in June than in July?   (iv) Why is Shillong rainier than Kolkata?  

Answer:

(i)They are rainier in June as the monsoon's arrival occurs in both places in June and the initial impact of the monsoon is an intense period of heavy rain. (ii)The monsoon reaches Mumbai about 10 days after Thiruvanantapuram and so the initial impact of the monsoon continues into the next month. After the first initial downpour the monsoon falls into a steady pattern of raining for at least a couple of hours most days. So, it reduces in Thiruvanantapuram earlier than in Mumbai. (iii)Chennai doesn't receive much rain during the south-west monsoon, as the south of India (the states of Tamil Nadu, Karnataka, and Kerala) gets most of its rainfall from the north-east monsoon, from October to December.   (iv)Shillong is in a hilly area and the hills trap the monsoon winds, so that Shillong becomes rainier than Kolkata.   (v)The monsoon reaches Shillong earlier than Kolkata (refer to the 'Advancing Monsoon' map in your textbook) and the initial impact is heavier than the later showers. So, Shillong is rainier in June while Kolkata is rainier in July.   (vi)Jodhpur is on the edge of the Thar Desert and by the time the monsoon winds reach it, most of their moisture is finished. Delhi is more east than Jodhpur and so it receives more rainfall.