“高温全勤”？今夏末伏气温如何变化？气象专家提醒

Core Insights - The article discusses the extreme high temperatures and humidity experienced in China during the current summer season, particularly during the "Sanfu" period, which includes the initial, middle, and final phases of high heat [1][3]. Temperature Trends - The middle phase of "Sanfu," from July 30 to August 8, saw significant temperature increases across most of China, with regions like eastern Sichuan, western Chongqing, and southern Shaanxi experiencing average temperatures over 4°C higher than the historical norm [3]. - As of August 7, 94 national meteorological stations in areas such as Sichuan, Chongqing, and Henan have broken local records for the highest temperatures in August, with Chongqing recording a peak of 44.2°C on August 4 [3]. Drought Conditions - Due to the combination of high temperatures and low rainfall, regions including Shaanxi, Henan, Sichuan, and Chongqing are facing severe meteorological drought conditions [5]. Future Weather Predictions - As the "Sanfu" period progresses, the subtropical high pressure is expected to shift southward, leading to increased cold air and rainfall in northern regions, which will significantly reduce high temperatures [5]. - However, southern areas, particularly the Sichuan Basin and Jiangnan, are predicted to continue experiencing extensive high temperatures, with some regions facing 5 to 8 consecutive days of extreme heat [5]. Public Advisory - Meteorological experts advise the public to avoid outdoor activities during peak heat hours and to manage indoor temperatures to prevent discomfort due to temperature fluctuations [5].