How does Chennai get rainfall?

The city gets most of its seasonal rainfall from the north-east monsoon winds, from mid-September to mid-December. Cyclones in the Bay of Bengal sometimes hit the city. Highest annual rainfall recorded is 2,570 mm in 2005.

How does Chennai receive rainfall?

-The North-east dry Monsoon winds blow over the Bay of Bengal during winter. – As they pass over the Bay of Bengal they develop moisture and bring rain to the Tamil Nadu coast. … Chennai is located on the eastern coast.

Why does it rain so much in Chennai?

N Puviarasan, director, Area Cyclone Warning Centre, IMD, said one of the reasons for Chennai suburbs and neighbouring districts Kancheepuram and Tiruvallur recording excess rainfall was due to the weak westerlies during the break monsoon season allowing the entry of easterly winds, which brought moisture into the land …

What causes rainfall in Tamil Nadu?

Rainfall in Tamil Nadu is caused by North-East monsoon winds. … In Tamil Nadu, rainfall is also caused by cyclones developing over the Bay of Bengal. During the monsoons, Tamil Nadu gets rain because of the southwest monsoon winds that blow into the northern hemisphere.

Why does Chennai receive 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.

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How many days will it rain in Chennai?

How many days does it rain in Chennai? Throughout the year, there are 157.6 rainfall days, and 823mm (32.4″) of precipitation is accumulated.

Will flood happen in Chennai 2020?

Published: Thursday 26 November 2020

The whole of Chennai remained in a shutdown mode as Cyclone Nivar made a late-night landfall near Puducherry November 25, 2020. Ferocious wind and incessant rains cut through the city, causing flooding in several parts and in the outskirts. Many areas suffered power cuts as well.

Which season has highest rainfall in Tamil Nadu?

The state has three distinct periods of rainfall: advanced rainfall; rainfall from the tropical cyclones emerging in the neighbourhood of the Andaman Islands during the Retreat of Monsoons(October–November): and the North-East monsoon during the months of October–December, with dominant northeast monsoon winds from the …

Which month is rainy season?


Seasons Month Climate
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