China faces extreme weather pivot

Temperatures in northern China are set to plunge as much as 20 degrees Celsius after the second-warmest October in decades, according to the China Meteorological Administration (CMA).

However, it added that warmer-than-usual conditions could soon be back under the influence of El Nino.

A stream of cold air entering China on Saturday from the northwest will join one that arrived on Thursday to push temperatures sharply lower, the said.

In the sparsely populated deserts and grasslands of the northern Inner Mongolia region, temperatures could plummet on Friday and again from Saturday while blizzards could hit the Xinjiang region in the northwest.

From next week, most of the northeast is expected to see maximum temperatures dive to the single-digits or below freezing as cold air moves east and south, in an abrupt reversal of a recent “big warming”, the CMA said.

While freezing temperatures are not uncommon for the time of year, the sudden change is unusual.

A few days ago, uncharacteristically warm weather saw parts of northern China post record high temperatures exceeding 30C.

Weather has become more extreme in China in recent years, destroying urban infrastructure as well as farmland, causing hefty economic losses and raising fears about the pace and impact of global warming.

This summer, typhoons saw historic rainfall in inland regions unaccustomed to tropical storms. Typhoon Doksuri caused the worst flooding since 1963 in the Hai river basin that encompasses Beijing, Tianjin and Hebei province.

Authorities are due to issue 1 trillion yuan ($137 billion) of sovereign bonds to help rebuild areas hit by the floods and improve infrastructure to cope with disasters.

Earlier in the year, northern China basked in unseasonal heat, with temperatures reaching summer-levels, shortly after a very cold January, when the northernmost city of Mohe saw the temperature dip to a record minus 53C.

Winter this year, however, could be warmer due to a moderate El Nino, Jia Xiaolong, deputy director of China’s National Climate Centre, told a press conference on Friday.

El Nino is a natural climate pattern associated with warming of the ocean surface temperatures in the central and eastern Pacific. The phenomenon occurs every two to seven years, lasting nine to 12 months.

“The sea surface temperature in the east-central equatorial Pacific will continue to exceed 0.5C in November, and the El Nino event will persist in the 2023/2024 winter, with a peak intensity of 1.5-2C,” Jia said.

However, statistics showed that winter temperatures could fluctuate greatly during El Nino, Jia warned.

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