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The Climate of Tamil Nadu, India is generally tropical and features fairly hot temperatures over the year except during the monsoon seasons. The city of Chennai lies on the thermal equator , [ 1 ] which means Chennai and Tamil Nadu does not have that much temperature variation.
Regional offices are at Chennai, Mumbai, Kolkata, Nagpur, Guwahati and New Delhi. IMD is also one of the six Regional Specialised Meteorological Centres of the World Meteorological Organisation . It has the responsibility for forecasting, naming and distribution of warnings for tropical cyclones in the Northern Indian Ocean region, including ...
India's annual monsoon has covered more than three-fourths of the country and it is set to cover the entire country on time for the planting season despite stalling earlier this month, two senior ...
However, the monsoon varies over the Indian subcontinent within a ±20% range. Rains that exceed 10% typically lead to major floods, while a 10% shortfall is a significant drought. [2] The Monsoon of South Asia is among several geographically distributed global monsoons.
The monsoon, the lifeblood of the nearly $3.5-trillion economy, brings nearly 70% of the rain India needs to water farms and recharge reservoirs and aquifers.
Deep Depression BOB 03 along with northeast monsoon seasonal low pressures in the months of November and December brought worst flooding over Tamilnadu and Chennai in 100 years. It killed nearly 500 people and unofficially makes one of the costliest disasters in India on record by damages exceeding up to $15 billion.
A 20% rise in monsoon over most states is also predicted. [17] A 2 °C rise in global average temperature will make Indian monsoon highly unpredictable. [ 18 ] At 4 °C an extremely wet monsoon which currently has a 1 in 100 year's chance will occur in every 10 years by 2100.
The Regional Meteorological Centre, Chennai is located at 50 (New No. 6) College Road, Nungambakkam, between Good Shepherd School and Women's Christian College.The three meteorological centres in South India function at Hyderabad, Bangalore and Thiruvananthapuram serving the states of Andhra Pradesh, Karnataka, and Kerala, respectively, under the technical and administrative control of the ...