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Eastern China is sweltering under an early heatwave that threatens crops and industry

On Friday, sweltering heat engulfed China's east coast as a high pressure system settled over its most populous area, baking agricultural and manufacturing hubs on the Yangtze River, and raising fears of potential economic losses.

Over the next week, large swathes in China's economic core are expected to reach temperatures between 37 and 39 degrees Celsius (99 and 102 Fahrenheit). Forecasters warn that temperatures in parts of Anhui, Zhejiang, Hubei, and Henan provinces could reach 40 C.

This year, the subtropical heat wave has come early.

The 'Sanfu Season,' an ancient agricultural mark in China that has been used for more than two millennia, usually begins mid-July. It lasts until late August. People seek shelter from the intense heat of summer.

Meteorologists have linked extreme heat to climate change. This has become a major problem for Chinese policymakers. In addition to scorching crops and eroding incomes from farms, higher temperatures also impact manufacturing hubs, disrupt operations in important port cities and strain the already overburdened health care systems.

Authorities in eastern and central China warned workers about the dangers and urged them to take precautions. Extreme heat and high humidity combined with commutes create a higher risk of heatstroke.

China experienced its worst heatwaves in 2022. Many parts of the country were subjected to a 79 day hot spell between mid-June and late August. China doesn't keep a count of heat-related deaths and neither did the Chinese government. However, domestic media sometimes report on fatalities that are attributed to local authorities.

A report in The Lancet from 2023 estimated that heat wave-related deaths in the second largest economy in the world would double to 50,900 in 2022.

The national meteorological center forecasts more torrential rainfall in parts of north and south-west China this weekend. Videos on Chinese social media show residents canoeing their way through the flooded streets of Chengdu. (Reporting and editing by Lincoln Feast, Xiuhao Chan and Joe Cash.)

(source: Reuters)