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India’s northwest reels under unusual early heat wave

NEW DELHI (AP) – An unusually early heat wave brought more extreme temperatures yesterday to a large swath of India’s northwest, raising concerns that such weather conditions could become typical.

The India Meteorological Department forecast that the temperature in New Delhi would reach 41.8 degrees Celsius, nearly eight degrees above normal.

The weather agency declares a heat wave when the temperature is at least 4.5 degrees Celsius above average.

The main summer months – April, May and June – are always excruciatingly hot in most parts of India before monsoon rains bring cooler temperatures. But the heat wave has arrived early and grown particularly intense in the past decade, killing hundreds every year.

During heat waves, the country usually also suffers severe water shortages with tens of millions of its 1.4 billion people lacking running water.

Tourists and commuters buy drinking water on a hot day in New Delhi, India. PHOTO: AP

Extreme temperatures have struck large parts of northern and western India in the last week, with Rajasthan, Gujarat, Uttar Pradesh and New Delhi among the worst hit.

Already this year, India has recorded its warmest March since 1901.

The United Nations Intergovernmental Panel on Climate Change warned that heat waves and humidity-related heat stress will intensify in South Asia, and scientists who study climate change said Indians can expect more of the same hot temperatures in the coming years.

An expert at the Indian Institute of Technology’s Water and Climate Lab Vimal Mishra said the number of Indian states hit by heat waves has grown in recent years, as extreme temperatures become more frequent and intense. “If you are looking for the clearest signal of climate change in India, then heat waves are a classic example. They are unavoidable and will occur more frequently,” Mishra said.

Heat waves are especially dangerous for daily wage workers, rickshaw drivers, street vendors and the homeless, many of whom have to work outside in hot conditions and are at the greatest risk of heat exhaustion and heatstroke.

India’s worst heat wave since 1992 was in 2015, when at least 2,081 people died.