IMD predicts ‘well timed’ Might 20 arrival in Andaman Sea
2 min learnBengaluruMight 8, 2026 11:38 AM IST
The Southwest Monsoon is probably to make a well timed onset over the Andaman Sea round Might 20, the India Meteorological Division (IMD) stated Thursday.
“The Southwest Monsoon onset is probably going over elements of the South Bay of Bengal, the Andaman Sea and the Andaman and Nicobar islands in direction of the top of the week, Might 14-20,” IMD stated.
The climate bureau stated southwesterly winds will prevail in the course of the third week of Might and strengthen at decrease and mid-level tropospheric latitudes alongside the Bay of Bengal-Northeast India boundary.
Because of this, IMD stated, “Gentle to average depth rainfall over a widespread space of locations, with some remoted heavy to very heavy rainfall is probably going over Kerala, Tamil Nadu and the south peninsular India throughout many days of the week, Might 14 – 20.”
Many elements of southern peninsular India are already experiencing pre-monsoon showers accompanied by thunder and lightning.
This 12 months’s monsoon is predicted to unfold beneath the affect of growing El Niño circumstances within the Pacific Ocean. On this context, IMD forecast in mid-April that rainfall throughout the nation can be beneath common, at about 92 per cent of the long-period common (1971–2020).
Climatologically, the Southwest Monsoon first reaches the Andaman Sea and the Andaman and Nicobar Islands across the third week of Might. Because the southwest winds and the cross-equatorial movement strengthen, they regularly advance in direction of mainland India. The official onset over India is marked when it reaches Kerala, the place the traditional arrival date is June 1.
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The Southwest Monsoon is the principle wet season in India, accounting for over 70 per cent of its annual rainfall in the course of the June to September interval.
Through the four-month monsoon season, India sometimes receives about 880 mm of rainfall.
