Summary of Key Points Core Viewpoint - The article discusses the upcoming weather patterns in China, highlighting the persistence of high temperatures in southern regions and a significant drop in temperatures in northern areas due to cold air and rain [1]. Weather Forecast - The "autumn tiger" phenomenon will continue in Jiangnan and South China, with regions like Hunan, Jiangxi, Fujian, Guangxi, and Guangdong experiencing prolonged high temperatures [1]. - Wuhan is expected to see high temperatures on September 15-16, potentially breaking the record for the most high-temperature days in a year [1]. Temperature Changes - A cold air mass will become active in northern regions from September 16-18, leading to a collective drop in temperatures, marking the lowest levels seen in the second half of the year [1]. - In the northwest, north China, northeast, and northern Huanghuai regions, maximum temperatures will drop to around 20°C, with minimum temperatures falling below 15°C [1]. - Harbin and Yinchuan are forecasted to experience their first maximum temperatures below 20°C this year, with Harbin's minimum potentially dropping below 10°C for the first time in the second half of the year [1].

Summary of Key Points Core Viewpoint - The article discusses the recent weather patterns in China, highlighting the ongoing heavy rainfall in certain regions and contrasting temperature trends between the north and south of the country. Group 1: Rainfall and Weather Conditions - Heavy rainfall has been observed in regions such as Hunan, Guizhou, and Yunnan, with local areas experiencing severe downpours [1][2] - The Central Meteorological Observatory predicts continued rainfall in parts of Tibet, Inner Mongolia, Heilongjiang, and other areas, with some regions expecting heavy rain [3][4] - Meteorological experts warn residents in frequently affected areas like Sichuan, Chongqing, and Yunnan to take precautions against potential geological hazards due to the heavy rains [5] Group 2: Temperature Trends - Southern regions, particularly Jiangnan and Huannan, are experiencing persistent high temperatures, with many locations in Zhejiang, Fujian, Jiangxi, and Hunan recording temperatures above 35°C [6] - The northern regions are expected to see a significant drop in temperatures due to active cold air and rainy weather, with many areas experiencing their lowest temperatures in the second half of the year [6]

Group 1 - Heavy rainfall is expected in the Huanghuai region, with parts of Henan and Shandong experiencing rare rainfall intensity for this time of year [2][3] - The Central Meteorological Administration forecasts significant rainfall across various regions, including heavy rain in eastern and southern Henan, southern Shandong, and northern Jiangsu [2][3] - Meteorological experts warn of potential secondary disasters due to the overlapping of heavy rainfall with areas that have already experienced significant precipitation this month [3] Group 2 - The southern region is experiencing a resurgence of high temperatures, with cities like Fuzhou and Guangzhou expected to see frequent high temperatures in the coming week [4] - The high-temperature range in southern China is set to expand as the subtropical high-pressure system strengthens, affecting areas in Jiangnan and Huabei [4] - Northern regions are transitioning into autumn, with many areas recording their lowest temperatures in half a year, indicating a significant temperature drop during the early morning and evening [4]

Group 1 - A new round of heavy rainfall is expected, with the strongest period occurring in the next two days, particularly in parts of Henan and Shandong, where rare heavy rain may occur [1][4] - Since September, regions including Henan, southern Shaanxi, and southern Shanxi have experienced continuous rainy weather, with some areas seeing rainfall amounts exceeding the normal levels by over 80% and in some cases doubling [2][4] - The new rainfall will begin tonight, driven by low-level southeast winds transporting moisture, leading to significant rainfall in the Huanghuai region [4][5] Group 2 - From tomorrow night to the day after, areas including Henan, Shandong, northern Anhui, northern Jiangsu, and much of the Jianghan region are expected to experience moderate to heavy rain, with some regions facing heavy or torrential rain [5][6] - The heavy rainfall may lead to secondary disasters such as geological hazards and flooding in small rivers in southeastern Shanxi, central and western Henan, and parts of Sichuan and Gansu [6] - Despite a temporary reduction in high temperatures due to weakening subtropical high pressure, the "autumn tiger" is expected to return, with high temperatures likely to spread across southern regions again starting tomorrow [7][9]

Group 1 - The 16th typhoon "Tabha" has formed and is expected to make landfall in Guangdong, bringing strong winds and heavy rain [2][4] - The typhoon is moving at a speed of approximately 20 kilometers per hour and is expected to strengthen before making landfall [2][4] - Rainfall in southern China, particularly in southwestern Guangdong and southern Guangxi, is expected to be significant, with some areas experiencing extreme rainfall [4][6] Group 2 - The transition to autumn is marked by the "White Dew" solar term, indicating a cooling trend in northern China, although the onset of autumn is slightly delayed compared to previous years [10][14] - High temperatures in southern China are finally easing, with regions like Zhejiang and Jiangxi still experiencing heat, but a significant drop in temperatures is anticipated after September 11 [10][12] - The northern regions are experiencing a notable drop in temperatures, with cities like Harbin and Changchun seeing lows around 10°C and 15°C respectively [14]

Core Viewpoint - The article discusses the return of high temperatures in the Jiangnan region of China, with temperatures approaching 39°C, leading to a "steaming sauna" effect as the subtropical high pressure strengthens again [1] Summary by Relevant Sections Weather Conditions - From September 5, the Jiangnan region is experiencing a new wave of heat, with temperatures rapidly nearing 39°C, indicating a return to high-temperature conditions [1] - Zhejiang meteorological department forecasts that from September 5 to 8, most areas in the province will see sunny and hot weather, with maximum temperatures reaching 36°C to 38°C, and some areas exceeding 39°C [1] - Shanghai's maximum temperature is expected to rise to around 35°C starting September 5, marking the beginning of a new heat wave [1] - Jiangsu's areas along the river and southern regions will also be covered by high temperatures from September 5 to 7 [1] Future Weather Predictions - Central Meteorological Station data indicates that while cold air and rain may arrive after September 6, the relief will be limited, and most of Jiangnan will still struggle with heat [1] - Meteorological experts predict that around September 9, the subtropical high pressure may weaken and retreat eastward, allowing for a temporary drop in temperatures in some areas of Jiangnan, but the high temperatures are likely to return soon after [1] Regional Weather Disparities - Currently, China's weather map shows a stark contrast between regions, with the northwest and northeast experiencing cool autumn breezes, while Jiangnan and South China continue to endure high temperatures [1] - Experts advise the public in Jiangnan and South China to remain cautious about heat exposure and to avoid prolonged outdoor activities during high-temperature periods, even as the White Dew solar term approaches [1]

Group 1 - The subtropical high pressure is weakening, leading to temporary relief from high temperatures in Hangzhou, with maximum temperatures expected to drop to 34℃-35℃ [1] - Thunderstorms and strong convective weather are anticipated due to accumulated unstable energy in the atmosphere, with warnings for short-term heavy rain and strong winds [1] - The high temperature record in Hangzhou has reached 30 consecutive days, marking the second longest heatwave in observation history [2] Group 2 - A rebound in high temperatures is expected starting Thursday, with temperatures potentially reaching 37℃-40℃ across the province [2] - The summer of 2023 has been recorded as the hottest since 1961, with an average national temperature of 22.31℃ [2] - Hangzhou's high temperature streak is only surpassed by the 35-day streak from July 20 to August 23, 2022 [2]

Core Viewpoint - The article discusses the phenomenon known as "Autumn Tiger," which refers to a period of high temperatures persisting after the official start of autumn, particularly in southern China, where temperatures have reached up to 40°C [1][3]. Group 1: Weather Patterns - The Central Meteorological Observatory predicts that regions such as Jianghan, Jianghuai, Jiangnan, and eastern Sichuan Basin will continue to experience high temperatures in the coming week [1]. - "Autumn Tiger" is characterized by a sudden rise in temperatures above 35°C during the transition from summer to autumn, often occurring after a brief cooling period [3]. Group 2: Meteorological Factors - The main cause of "Autumn Tiger" is attributed to the abnormal control of the subtropical high-pressure system, which blocks cold air from the north and leads to prolonged sunny and hot weather [5]. - The weakening of summer winds and reduced rainfall contribute to lower humidity levels, making the weather feel drier and more comfortable, although high temperatures persist in certain regions until mid-September [3][5]. Group 3: Health Implications - The significant temperature variations during the "Autumn Tiger" period can increase the risk of cardiovascular diseases, particularly among the elderly [7]. - Medical professionals recommend that individuals with pre-existing health conditions maintain a healthy lifestyle, stay hydrated with 1500 to 2000 milliliters of water daily, and monitor their health regularly [7].

Core Viewpoint - The article discusses the phenomenon known as "Autumn Tiger," characterized by high temperatures persisting in southern China despite the arrival of autumn, with temperatures reaching up to 40°C [1][2]. Group 1: Weather Patterns - "Autumn Tiger" refers to a period during the transition from summer to autumn where temperatures suddenly rise above 35°C after a drop [2][4]. - The phenomenon is attributed to the abnormal control of the subtropical high-pressure system, which blocks cold air from the north, leading to clear skies and strong sunlight [4]. Group 2: Health Implications - The significant temperature fluctuations during the "Autumn Tiger" period can trigger cardiovascular diseases, particularly affecting the elderly [4]. - Experts recommend that individuals, especially those with pre-existing health conditions, maintain a healthy lifestyle and monitor their health closely [6]. Group 3: Dietary Recommendations - During the "Autumn Tiger" season, it is advised to consume lighter foods and avoid excessive intake of rich foods that may lead to "heat" in the body [13]. - Seasonal foods such as grains are recommended, while foods that may exacerbate dryness or heat, like certain fruits, should be limited [15].

Group 1 - Typhoon "Jianyu" made landfall in Vietnam's Ha Tinh Province on August 25, causing strong winds and rain in the Beibu Gulf and surrounding areas [1] - The Guangxi Meteorological Station issued a level four typhoon warning on August 25, indicating the need for continued defensive measures [1] - Rainfall statistics from August 24 to 25 showed significant precipitation, with some areas experiencing heavy rain, including 51 mm in Jiangping Town, Dongxing City [1] Group 2 - On August 26, coastal areas of Guangxi are expected to experience winds of 5-6 levels, with gusts reaching 7-8 levels, while the northern Beibu Gulf may see winds of 7-8 levels and gusts of 9-10 levels [2] - The maximum wind force in the southern sea area could reach levels 9-11, with gusts of 12-13 levels, and areas near the typhoon center may experience winds of 12-14 levels and gusts of 15-16 levels [2] - The temperature in the region is expected to gradually rise over the next three days, with daytime highs reaching 35°C-36°C, indicating the arrival of the "autumn tiger" [2]