冷空气持续影响 15个城市继续刷新下半年最低气温纪录

Core Points - A cold air mass is moving east and south, affecting a large area in central and eastern China, with temperatures in the north remaining low and southern regions experiencing new lows for the second half of the year [1][2]. Group 1: Temperature Records - 15 cities, including Harbin, Changchun, Wuhan, and Shanghai, have recorded their lowest temperatures of the second half of the year, with Shenyang and Yinchuan dropping below 0°C for the first time this autumn [2]. - The temperature in central and eastern regions is expected to drop further by 4 to 8°C, with some areas experiencing a decrease of up to 10°C [2]. Group 2: Northern Region Conditions - Most northern areas will maintain low temperatures, with maximum temperatures in places like Inner Mongolia and Northeast China only reaching single digits, and the 0°C line extending to Shaanxi and Gansu [3]. - Current temperatures in the north are significantly lower than the historical averages for this time of year, with maximum temperatures being 8 to 10°C lower than usual, resembling conditions typical of November [3]. Group 3: Southern Region Outlook - Southern cities, including Nanjing and Hefei, are also experiencing their lowest temperatures of the second half of the year, with maximum temperatures below 15°C [4]. - From the 22nd, temperatures in regions like Zhejiang and Shanghai are expected to gradually rise back to seasonal averages [4]. Group 4: Precipitation Conditions - Most of the country will see weak precipitation over the next couple of days, but the Sichuan and Shaanxi regions will continue to experience persistent rain [5]. - The Central Meteorological Observatory forecasts moderate to heavy rain in parts of Shaanxi, Hubei, and Sichuan, advising the public to be cautious of slippery roads and potential secondary disasters [5].