(ii) During the months of October and November, the low-pressure area over North-Western India get transferred to the Bay of Bengal. This shift is associated with cyclonic depression which originate over Andaman sea and causes rainfall in coastal areas e.g. in Chennai.
Why does Chennai get more rains in October November and December?
Chennai gets most of its annual rainfall from mid–October to mid–December. … The entire state of Tamil Nadu recorded its highest rainfall during southwest monsoon (June – September) since 1996. After good monsoons during the season the city and its suburbs received heavy downpour again on November 26, 2017.
Why Tamil Nadu receive rainfall during October to November?
The state has three distinct rainfall periods: early rainfall; rainfall from tropical cyclones during the Withdrawal of Monsoons (October-November) arising in the vicinity of the Andaman Islands; and the North-East monsoon during the periods of October-December, with predominant northeast monsoon winds arising from the …
Why does Tamil Nadu experience rainfall in the month of October?
The south-west monsoon begins to withdraw from India by the first week of October. It leaves Jammu-Kashmir, the Northern Plains, then peninsular India, moving southwards and westwards. When it reaches the Chennai coast on its way backwards, it is checked by the Eastern Ghats and imparts rain to the Chennai coast.
Why does Chennai receives rainfall from October to December and not between June to September?
Mumbai receives rainfall in summer season by south west monsoon, which enters into India from western coast, where Mumbai liqs and gives it heavy rainfall but Chennai receives rainfall in the month of October to December by the retreating monsoon and the N.E. monsoon which come from north east direction.
Which month is rainy season?
|Winter||December to January||Very Cool|
|Spring||Feburary to March||Sunny and pleasant.|
|Summer||April to June||Hot|
|Monsoon||July to Mid-September||Wet, hot and humid|
Why does Tamil Nadu get rainfall in the month of November?
During the winter season, north-east trade winds prevail over India. … However, the Tamil Nadu Coast receives winter rainfall due to these winds. This is because in this region these winds blow from sea to land, thereby carrying moisture along with them.
Why does Coromandel coast receives rainfall twice a year?
– The north-east monsoon winds that pick up moisture from the Bay of Bengal are blocked by these mountains. – Therefore, because of the obstruction created by the Eastern Ghats to these winds, the Coromandel coast receives rainfall during the winter season.
Why is the rainfall concentrated for few months only?
Most of the rain is concentrated from july to september only. … During retreat of monsoon these phenomenon change n high pressure being created on plains, thus these south west monsoons winds start retreating in the month of september, thus rainfall in India is concentrated in the few months of july to september.
Which is the hottest district in Tamilnadu?
The hottest places in the state are Erode, Vellore, Karur and Tiruttani. In fact, Erode with a temperature of over 43 degrees Celsius has been among the five hottest places in the country for the past few days.
What is the rainy season in Tamilnadu?
Monsoon in Tamil Nadu
Monsoon is from June till September. Although the temperature is slightly lower, it’s still quite hot and with the rains, the humidity goes up several notches. It’s not wise to visit the coastal areas or the hill stations during this time.
Why does Chennai receives rainfall in the month of September?
Note: The rainfall in India is an outcome of the confluence of wind flow from the Bay of Bengal and reverse winds from the South China Sea. The rainy season remains from June to September with a regular annual rainfall between 750–1,500 mm across the region.
Why does Chennai receives rainfall twice a year?
(i) The North-East winds pick up moisture while crossing Bay of Bengal. These winds are on-shore in Tamil-Nadu coast and hence cause rainfall there. (ii) During the months of October and November, the low-pressure area over North-Western India get transferred to the Bay of Bengal.