India experienced heat waves in March 2022, with the affected areas including Gujarat, Uttarkhand, Jammu and Kashmir, Himachal Pradesh. The IMD, Indian Meteorological Department declared India's first heat wave on March 11, and several heat waves since then. IMD declares a heat wave when temperatures reach 40 degrees Celsius or 104 degrees Fahrenheit at low elevation. A heat wave is also considered to be taking place when temperatures are 4.5 degrees above normal, with 6.4 degrees called "severe." Senior climate scientists at IMD say heat waves in India are now more frequent and severe with unusual weather conditions in 2022.
2021 and 2022 reports of the Intergovernmental Panel on Climate Change (IPCC) warn that South Asia faces conditions for heat waves and humidity related heat stress in coming decades. Marine heat waves are also more frequent.
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