Southwest monsoon hits Kerala two days behind regular schedule

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Unsplash photo by Sahil Patel

The southwest monsoon hit the coast of Kerala on Thursday, two days behind its regular schedule, the India Meteorological Department (IMD) said.

“The Southwest monsoon has advanced into south Kerala, south Arabian Sea, Lakshadweep and southern Tamil Nadu. The monsoon will make further advance over some more parts of Tamil Nadu, Puducherry, coastal Karnataka and Rayalaseema during the next two days,” the Met department said.

India receives over 70 per cent of its annual rainfall between June and September. This year, the Met department expects a normal-to-above-normal seasonal rainfall over the country. Quantitatively, the all-India rainfall has been projected at 101 per cent of the Long Period Average (LPA).

“There will be strong winds with speeds ranging between 40 to 50 km/hr gusting to 60 km/hr along southwest and west-central Arabian Sea. Similar wind speeds are likely over the Gulf of Mannar and Comorin,” the weather bulletin informed.

From June through September, the Southwest Monsoon dominates life in much of South Asia. Accounting for 75-90 per cent of the annual rainfall in most parts of the region (excepting Sri Lanka and southeastern India), the monsoon has an all-pervading influence on the socio-economic fabric of the region and thus of the national economies of South Asian countries.

During the season, maximum temperatures are likely to be below normal over most of the central parts of South Asia, and above normal over northwest and northern areas of northeast of the region. Minimum overnight temperatures are likely to be above normal over most areas of west, northwest, north and north eastern parts of the South Asia, and below normal over east-central and south western areas of the region. Elsewhere, they are likely to be normal.

Advance information about the likely performance of the monsoon underpins planning and decision-making in climate-sensitive sectors such as agriculture and informs public health and risk-management strategies.  

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