Core Viewpoint - The northern regions of China are experiencing increased rainfall and extreme weather events, raising concerns about climate change and its impact on regional weather patterns [1][3]. Group 1: Weather Patterns and Climate Change - The northern regions have seen multiple rounds of heavy rainfall since July, with 13 instances of heavy rain reported, which is 5 more than the average for the same period [1]. - The abnormal atmospheric circulation, particularly the western Pacific subtropical high, is a significant factor contributing to the increased rainfall in northern China [2]. - The onset of the rainy season in North China occurred on July 5, nearly two weeks earlier than the average date, marking the earliest start since 1961 [2]. Group 2: Implications of Extreme Weather - The increase in extreme weather events is linked to global warming, with the World Meteorological Organization reporting a fivefold increase in weather-related disasters over the past 50 years [3][4]. - Northern China is particularly vulnerable to extreme weather due to its ecological sensitivity, facing risks such as increased frequency and intensity of extreme events [4]. - The climate risk index for China in 2024 is projected to be the highest since 1961, with significant risks from flooding and high temperatures [3]. Group 3: Response and Adaptation Strategies - There is an urgent need for a comprehensive disaster risk reduction mechanism that includes government leadership, early warning systems, and community participation [4]. - The focus should be on risk assessment, dynamic monitoring, and public education to minimize exposure to extreme weather risks [4][5]. - The United Nations has initiated a global early warning initiative aimed at ensuring that everyone is protected by early warning systems by 2027 [5][6].

Group 1 - The article discusses the warming and humidification trend in northern China, suggesting that while there are indications of a shift towards a "southern" climate, further research is needed to confirm this [1][3] - Since July, northern China has experienced multiple rounds of heavy rainfall, with 13 instances of heavy rain reported, which is 5 more than the average for the same period [1][2] - The early onset of the rainy season in North China, starting on July 5, is noted as the earliest since 1961, indicating significant climatic changes [2][3] Group 2 - The abnormal atmospheric circulation, particularly the west Pacific subtropical high, is identified as a key factor contributing to the increased rainfall in northern regions [2][3] - The article highlights the relationship between global warming and the northward movement of the subtropical high, which is believed to be pushing warm, moist air into northern China [3] - The World Meteorological Organization reports that climate-related disasters have increased fivefold over the past 50 years, with China being particularly sensitive to climate change [3][4] Group 3 - The article emphasizes the need for a comprehensive disaster risk management approach, including government leadership, early warning systems, and public participation to address extreme weather events [4][5] - It mentions the United Nations' initiative for early warning systems to protect populations from climate-related disasters by 2027, showcasing a global effort to enhance climate resilience [5]

Core Viewpoint - The increasing frequency of extreme weather events, such as heavy rainfall, necessitates the construction of resilient cities that can effectively manage urban flooding and climate risks [1][2]. Group 1: Urban Resilience and Climate Risks - Urban resilience focuses on proactive measures to address climate safety risks, which are now closely linked to national security aspects like food, energy, and ecological safety [2]. - The need for cities to understand their disaster risk profiles and implement targeted protective measures in high-risk areas is emphasized [2]. - Many small and medium-sized cities currently lack early warning systems for climate safety and specific plans for extreme weather events [2]. Group 2: Infrastructure and Planning - The ability of a city to withstand natural disasters relies more on its infrastructure than on superficial appearances [2]. - Urban renewal must reconsider planning in light of climate change, allowing for flexible design that accommodates varying financial capabilities [2]. - It is recommended to establish tiered drainage system upgrades and reserve capacity for extreme conditions to mitigate adverse outcomes [2]. Group 3: Community Aspirations and Systematic Approach - The construction of resilient cities reflects the community's desire for safety against extreme weather [3]. - A balance between urgency and systematic planning is crucial for enhancing urban safety resilience, transitioning from reactive emergency responses to proactive prevention [3].

气候极端化已经成为一种常态。现在的研究表明，全球变暖会 带来一个效应——涝的更涝，旱的更旱。即短期内，一定区域 内的降雨强度更高或高温干旱十分严重，甚至出现短期内的旱 涝急转。 作者：冯雨欣 田进 封图：图虫创意 近几年，全球极端天气事件频发，极端气候正在以肉眼可见的方式侵入现实生活。 今年夏天，国内不同地区出现的暴雨、洪涝、高温等天气，对人们的生产生活产生重大影响，引发 了社会各界的关注。7月以来，河南省平均气温达30.5℃（摄氏度），较常年异常偏高3.2℃，为64 年来同期最热。截至8月2日，未来几天中东部将呈现"雨—热—雨"的天气格局，陕西南部、四川 东部、重庆、湖北西部等部分地区气温将突破40℃；而在高压系统南北两侧，广东、广西等地则迎 来暴雨天气。 在刚刚过去的7月，我国北方大部降雨量较常年同期偏多，共有5轮暴雨过程轮番影响。截至7月31 日，内蒙古降水量为1961年以来历史同期最多，北京为同期第二多。 随着极端天气对农业生产、城市运行、民众生活等诸多方面的冲击不断显现，如何科学认识气候变 化趋势、有效应对其带来的挑战，已成为亟待解答的重要课题。 8月3日，经济观察报专访了中国科学院大气物理研究所季 ...

近期，多地酷暑难熬，高温热浪与极端暴雨频发。 8月4日7时5分，湖北省武汉市气象台发布高温红色预警信号：预计4日白天，武汉市大部分地区最高气 温将升至39℃~40℃，部分街道（乡镇）可达41℃以上，注意加强防范。 8月4日9时10分，北京市气象台发布暴雨橙色预警信号：预计4日12时至5日8时，大部分地区将出现1小 时雨量70毫米或6小时雨量100毫米以上的强降水。北京丰台区、房山区、门头沟区发布暴雨红色预警。 8月4日13时，北京市升级发布暴雨红色预警信号，预计最强降雨集中在4日18时至5日5时。北京市防汛 指挥部启动全市防汛一级应急响应，请市民注意安全防范，并要求市民非必要不外出，非必要不要求员 工到岗上班…… 一个事实是，随着全球气候变暖，我们还将面临更频发、广发、强发、并发的极端天气事件。以极端降 雨为例，精准预报难度在哪？如果无法苛求极为精准的预报，预警链怎样有效运转才能将灾害损失降到 最低？带着这些问题，《每日经济新闻》记者（以下简称NBD）专访了北京大学物理学院大气与海洋 科学系教授张庆红。她专攻中尺度气象学方向以及与其相联系的严重灾害性天气研究，同时担任联合国 世界气象组织High Impact ...

自7月起， 伊朗多地发布高温预警，停水停电频发。 气象专家说，进入夏季后，伊朗全国平均 气温较正常水平偏高约1.2摄氏度。 据多家媒体分析，随着全球气候变暖，伊朗近年来频繁遭遇极端高温天气。地下水资源过度开发 加上管理不善等问题，使伊朗全国多地面临缺水危机。 报道说， 水资源和电力短缺已成为伊朗民众目前的主要担忧。 在德黑兰部分区域和伊朗其他50 多个城市， 停水时间最长已达48小时。 据伊朗伊斯兰共和国通讯社报道，伊朗全国水库蓄水量平均只有正常水平的约44%，向德黑兰供 水的各水库的蓄水量仅余20%。德黑兰省供水公司说，水库水量已降至"一个世纪以来最低"。 伊朗总统马苏德·佩泽希齐扬上周警告道，形势很严峻，如果不节约用水，向德黑兰供水的水库 可能最晚10月就会干涸。 来源：新华社 据多家媒体报道， 伊朗缺水危机持续，首都德黑兰大量公共卫生间被迫关闭。 德新社2日报道说，德黑兰市政部门对公共卫生间关闭的报道不予置评，不过一些民众证实当地 许多公共卫生间已关闭，其中包括地铁站内的卫生间。 E E M FR FR 点击下载中国基金报客户端 ■ 中国基金报内容矩阵 ■ 巅峰对话 投资热点说 ETF风向标 IPO情报 ...

2025.08. 03 来源 | 新华社 据多家媒体报道， 伊朗缺水危机持续，首都德黑兰大量公共卫生间被迫关闭。 德新社2日报道说，德黑兰市政部门对公共卫生间关闭的报道不予置评，不过一些民众证实当地许多公 共卫生间已关闭，其中包括地铁站内的卫生间。 报道说， 水资源和电力短缺已成为伊朗民众目前的主要担忧。 在德黑兰部分区域和伊朗其他50多个城 市， 停水时间最长已达48小时。 据伊朗伊斯兰共和国通讯社报道，伊朗全国水库蓄水量平均只有正常水平的约44%，向德黑兰供水的 各水库的蓄水量仅余20%。德黑兰省供水公司说，水库水量已降至"一个世纪以来最低"。 伊朗总统马苏德·佩泽希齐扬上周警告道，形势很严峻，如果不节约用水，向德黑兰供水的水库可能最 晚10月就会干涸。 据多家媒体分析，随着全球气候变暖，伊朗近年来频繁遭遇极端高温天气。地下水资源过度开发加上管 理不善等问题，使伊朗全国多地面临缺水危机。 微信编辑 | 小羊 第 一 财 经 持 续 追 踪 财 经 热 点 。 若 您 掌 握 公 司 动 态 、 行 业 趋 势 、 金 融 事 件 等 有 价 值 的 线 索 ， 欢 迎 提 供 。 专 用 邮 箱 ： bi ...

Core Viewpoint - Iran is facing a severe water crisis, leading to the closure of public restrooms in Tehran and raising concerns among the population regarding water and electricity shortages [1] Water Supply Situation - The average water reservoir capacity in Iran is only about 44% of normal levels, with reservoirs supplying Tehran at just 20% of capacity [1] - The water levels in reservoirs have reached the lowest point in a century, according to the Tehran Water Supply Company [1] Government Response - Iranian President Masoud Pezeshkian warned that the situation is critical, stating that if water conservation measures are not implemented, the reservoirs supplying Tehran could run dry by October [1] Climate and Environmental Factors - Since July, Iran has issued high-temperature warnings, with frequent water and electricity outages reported [1] - Meteorological experts noted that the average temperature in Iran has been approximately 1.2 degrees Celsius higher than normal since the onset of summer [1] - The country has been experiencing extreme heat due to global climate change, compounded by over-extraction of groundwater and poor management practices [1]

Core Viewpoint - Iran is facing a severe water crisis exacerbated by extreme heat, with water supply interruptions lasting up to 48 hours in some areas, including Tehran [1] Group 1: Water Supply Situation - Water reservoir levels in Iran are currently at less than half of the normal capacity [1] - The water levels in Tehran's reservoirs have reached the lowest point in a century [1] Group 2: Climate and Weather Conditions - Since July, multiple regions in Iran have issued heat warnings, leading to frequent water and electricity outages [1] - The average temperature across Iran has been approximately 1.2 degrees Celsius higher than normal since the onset of summer [1] Group 3: Contributing Factors - The worsening water crisis in Iran is attributed to global climate change, resulting in more frequent extreme heat events [1] - Over-extraction of groundwater resources and poor management practices have further aggravated the water scarcity issue across the country [1]

Core Viewpoint - The article discusses the increasing frequency and intensity of extreme weather events, particularly heavy rainfall in northern China, and the challenges associated with accurately forecasting such events due to climate change and atmospheric instability [4][10][18]. Group 1: Extreme Weather Events - Northern regions are experiencing significant rainfall, with Beijing facing a record 147 hours of continuous rain, marking the longest duration of heavy rainfall in its meteorological history [6]. - The Central Meteorological Observatory issued blue alerts for heavy rain, predicting substantial rainfall across various regions, including parts of Inner Mongolia, Heilongjiang, and Hebei [2][3]. - The article highlights the correlation between global warming and the increased frequency and intensity of extreme weather events, confirming that climate change is a significant factor [18][21]. Group 2: Forecasting Challenges - The difficulty in accurately predicting extreme rainfall is attributed to the instability of the atmosphere and the limitations of current observation systems and weather prediction models [9][10]. - Specific weather systems, such as the mesoscale convective systems responsible for localized heavy rainfall, are challenging to forecast due to their small spatial scale and sudden onset [7][8]. - Historical data indicates that extreme rainfall events in Beijing, categorized under specific atmospheric circulation patterns, have occurred multiple times, suggesting a pattern that could be linked to climate change [11][14]. Group 3: Societal Implications and Preparedness - The article emphasizes the need for improved public awareness and participation in weather forecasting and disaster preparedness, suggesting that community involvement can enhance the effectiveness of early warning systems [23][31]. - Urban infrastructure, such as drainage systems, must be updated to account for increased rainfall intensity due to climate change, indicating a need for new construction standards [29][30]. - The concept of a collaborative warning chain involving government, research institutions, media, and the public is proposed to ensure timely and accurate dissemination of weather-related information [26][27].