Informist, Saturday, May 24, 2025

--IMD: Southwest monsoon sets in over Kerala Sat against normal of Jun 1

--IMD:Conditions favour monsoon advance over central Arabian Sea in 2-3 days

--IMD: Conditions favour monsoon advance over Maharashtra next 2-3 days

--IMD: Conditions favour monsoon advance over Karnataka next 2-3 days

--IMD: Conditions favour monsoon covering entire Tamil Nadu, Goa in 2-3 days

--IMD: Conditions favour monsoon advance over northeast next 2-3 days

--IMD:Conditions favour monsoon advance in sub-Himalayan Bengal in 2-3 days

--IMD:Conditions favour monsoon advance in Sikkim next 2-3 days

MUMBAI – The southwest monsoon hit the coast of Kerala on Saturday, eight days ahead of the normal onset of Jun 1, the India Meteorological Department said. It had projected the onset of the monsoon over Kerala this year on Tuesday.

This is the earliest onset of the monsoon since 2009, when the monsoon had hit Kerala on May 23, the department posted on X. Data by the weather bureau shows Kerala has received 74?ove normal rainfall at 82.9 millimetres in the week ended Wednesday.

The southwest monsoon has also advanced to more parts of Arabian Sea, Karnataka, Tamil Nadu, Bay of Bengal, and Mizoram on Saturday, the weather department said. The monsoon has also covered the entire Lakshadweep, Kerala, Maldives, and Comorin, it said.

The department said conditions are favourable for further advance of the monsoon into more parts of Arabian Sea, Maharashtra, Andhra Pradesh, Karnataka, Bay of bengal, northeast, sub-Himalayan West Bengal, and Sikkim during the next two to three days. It also said the monsoon is likely to cover entire Goa and Tamil Nadu during the same period.

On Apr. 15, the weather department had forecast "above normal" rainfall during Jun-Sept at 105% of the long-period average with a model error of plus or minus 5%. It had also said that the El Nino Southern Oscillation and the Indian Ocean Dipole were expected to be neutral during the southwest monsoon, resulting in above-normal rainfall.

The weather bureau classifies rainfall between 96% and 104% of the long-period average as "normal" and 104-110% as "above normal". Rainfall over 110% of the long-period average is considered "excess" and below 90% is considered "deficient". End

Reported by J. Navya Sruthi

Edited by Avishek Dutta

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