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Hot and humid conditions prevailing during India's monsoon season could extend the duration of uncompensable heat stress of the summer season under a global warming of 2 degrees Celsius, a study has found. Findings published in the journal American Geophysical Union (AGU) Advances highlight a "surge of UHS (uncompensable heat stress) during the monsoon season (July-October) as the climate warms". Researchers from the Indian Institute of Technology (IIT) Gandhinagar and the US' Stanford and Purdue universities said long-lasting uncompensable heat stress across both the seasons -- summer and monsoon -- could pose critical challenges to public health, labour productivity, and climate resilience in densely populated and vulnerable regions. Uncompensable heat stress occurs when one's body is unable to cool down through sweating or other mechanisms due to extreme heat and humidity. A sustained accumulation of heat can endanger human health, including causing heat-related illness, organ .
The Southwest monsoon seasonal rainfall over India is expected to be 90 per cent of the long period average this year, the India Meteorological Department said on Friday. While the Northeast is likely to witness normal rainfall this monsoon season, the remaining parts of the country may see below normal rainfall, the weather office said. The India Meteorological Department made the observations in its second forecast for the Southwest monsoon. In its first forecast on April 13, the weather office had said that India might witness 92 per cent of long period average (LPA) rainfall this monsoon season.
The monsoon has missed its expected onset date of May 26 in Kerala but has further advanced into some more parts of the southwest and southeast Arabian Sea, Lakshadweep area and Bay of Bengal, according to the India Meteorological Department (IMD) on Wednesday. The IMD had earlier estimated that the monsoon would arrive in Kerala on May 26 with a model error of 4 days. The monsoon usually sets over Kerala around June 1, marking the beginning of the monsoon season (June to September) in the country. Last year, the onset of monsoon happened on May 24, according to the department. In a statement, the IMD said, "Conditions are favourable for further advance of southwest monsoon into some more parts of southwest and southeast Arabian Sea, Lakshadweep area, southwest, eastcentral and westcentral Bay of Bengal, remaining parts of southeast Bay of Bengal and some parts of northeast Bay of Bengal during the next 2-3 days." India receives more than 70 pc of its annual rainfall during the .