Weather Alerts - The Central Meteorological Observatory issued an orange alert for heavy rain, an orange alert for high temperatures, and a blue alert for severe convective weather on August 4 at 6 AM [1][5]. High Temperature Warning - It is expected that on August 4, parts of southern North China, central and southern Shaanxi, most of the Huanghuai region, Jianghan, western Jianghuai, western and central Jiangnan, Sichuan Basin, and Turpan Basin in Xinjiang will experience high temperatures ranging from 35 to 39°C, with some areas in southern central Shaanxi, western Hubei, and the Sichuan Basin potentially exceeding 40°C [3]. Severe Convective Weather Warning - The blue alert for severe convective weather indicates that from 8 AM on August 4 to 8 AM on August 5, parts of central and eastern Northwest China, northern North China, and southern South China may experience thunderstorms with winds exceeding 8 levels or hail. Additionally, areas in central and northeastern Hebei, southwestern Beijing, and north-central and southern Guangdong may see hourly rainfall exceeding 50 mm, with maximum amounts potentially reaching over 80 mm [6].

Summary of Key Points Core Viewpoint - Beijing Meteorological Station issued a blue rainstorm warning and a yellow thunderstorm warning, indicating severe weather conditions expected in the region [1] Weather Warnings - The blue rainstorm warning predicts hourly rainfall exceeding 30 millimeters in parts of Huairou, Miyun, Pinggu, Shunyi, Fangshan, Mentougou, Changping, and Yanqing from 18:00 on August 2 to 05:00 on August 3 [1] - The yellow thunderstorm warning forecasts thunderstorms with short-term heavy rainfall and winds of around 7 levels from 14:00 on August 2 to 06:00 on August 3 [1] Weather Forecast - The weather forecast for August 2 indicates cloudy conditions turning to overcast with scattered thunderstorms during the day, and thunderstorms expected in the evening with uneven rainfall distribution, particularly in the western and northern regions [1] Public Safety Measures - Emergency departments advise the public to stay updated on weather forecasts, carry rain gear, and avoid sheltering under tall buildings or large billboards during the blue rainstorm warning [1] - During the yellow thunderstorm warning, outdoor personnel should avoid high ground and trees, cease high-altitude and water operations, and refrain from touching exposed metal tools or items [1]

Summary of Weather Alerts and Forecasts Core Points - The Shandong Meteorological Observatory has issued multiple weather alerts, including blue and yellow warnings for typhoons, thunderstorms, strong winds, fog, and high temperatures across various cities in Shandong Province [1][2][3]. Weather Alerts - **Typhoon Alerts**: Blue warnings are in effect for 12 districts in Linyi City, while yellow warnings are issued for 11 districts in Yantai City and others [1]. - **Thunderstorm Alerts**: Yellow warnings are active in Yantai and Weifang, with a total of 5 districts affected [1]. - **Strong Wind Alerts**: Blue warnings are issued for Xuzhou City, with 1 district affected [1]. - **Fog Alerts**: Yellow warnings are in place for Yantai City, affecting 1 district [1]. - **High Temperature Alerts**: Orange warnings are issued for Tai'an and Dezhou, with a total of 24 districts affected [1]. Short-term Weather Forecast - **August 1-2**: Expect small to moderate rain with localized heavy rain and thunderstorms in Linyi, Zaozhuang, Rizhao, Weifang, Yantai, Weihai, and Qingdao. Maximum hourly rainfall is expected to reach 40-60 mm, with gusts of 7-9 levels during thunderstorms [2]. - **Temperature Forecast**: Minimum temperatures around 24°C in mountainous areas and 26°C in other regions. Maximum temperatures will reach approximately 35°C in Heze, Dezhou, and Liaocheng, while other areas will be around 31-34°C [2]. - **August 2-3**: Continued rain and thunderstorms expected in Zaozhuang, Linyi, and other areas, with similar temperature ranges [3]. Marine Weather Forecast - **Nearshore Warnings**: South winds with gusts of 6-7 levels expected in the central Yellow Sea, with thunderstorms and localized heavy rain forecasted [5]. - **Temperature Forecast**: Minimum temperatures around 27°C in the Bohai Sea and maximum temperatures around 29°C [5]. Extended Forecast - **August 3-4**: Continued rain and thunderstorms expected in the northern and central Yellow Sea, with temperatures ranging from 26°C to 29°C [6].

Core Points - Shandong Province Meteorological Station issued a blue rainstorm warning on August 1, predicting light to moderate rain in Linyi and Zaozhuang, with localized heavy rain and thunderstorms expected [1] - The impact of Typhoon "Zhu Jie Cao" on Shandong's weather has significantly weakened, with the typhoon's center located in Hefei, Anhui Province, and maximum wind force recorded at level 7 [5] Weather Forecast - On August 1, Linyi and Zaozhuang will experience overcast weather with light to moderate rain and localized thunderstorms, while other regions will have cloudy weather with possible thunderstorms [1] - The minimum night temperatures are expected to be around 24°C in the central mountainous area and 26°C in other regions, with maximum temperatures reaching approximately 34°C in Heze, Dezhou, and Liaocheng [2][4] - On August 2, Zaozhuang, Linyi, and coastal areas will have overcast weather with thunderstorms or showers, while other regions will remain mostly cloudy [1] Weather Alerts - As of August 1, the blue rainstorm warning is in effect for Shandong Province, with additional warnings for typhoons and high temperatures in various cities [6]

Core Viewpoint - China has launched the "Mazu" meteorological warning system at the 2025 World Artificial Intelligence Conference in Shanghai, aimed at helping developing countries respond to natural disasters [1][2]. Group 1: System Overview - The "Mazu" system is named after a widely revered Chinese sea goddess in Southeast Asia and is designed for global coverage [2]. - The system integrates multiple disaster warnings into a single platform, emphasizing simplicity and collaboration in meteorological safety [3]. - The Chinese Meteorological Administration plans to enhance the meteorological warning system through training, providing forecasters with an open-source toolkit of AI models named "Wind Thunder," "Wind Clear," and "Wind Smooth," each tailored for different time frames from 10 minutes to 3 months [3]. Group 2: Global Context - The system is part of China's efforts to establish a network of warning partnerships with other countries to address extreme weather challenges [2]. - Advanced meteorological warning systems already exist in other countries, such as the U.S. National Weather Service and Japan Meteorological Agency, which rely heavily on local supercomputers and prioritize specific disaster types [2][3]. - The "Mazu-Urban" platform, a city-level disaster warning tool, has been donated to representatives from Djibouti and Mongolia, providing risk assessments, real-time monitoring, forecasts, automated disaster reports, and AI-generated emergency plans [3]. Group 3: Implementation and Reach - Since January, a pilot version of the "Mazu" system has been launched in 35 countries across Asia, Africa, and the Pacific [3]. - The system aims to facilitate global cooperation by making its AI models open-source [3].

Core Viewpoint - Multiple weather warnings have been issued by the Central Meteorological Observatory, including orange alerts for heavy rain, yellow alerts for strong winds, and yellow alerts for typhoons, indicating severe weather conditions across various regions in China [1]. Group 1: Heavy Rain Alerts - From 08:00 on July 30 to 08:00 on July 31, areas including southern Jiangsu, Shanghai, northern Zhejiang, eastern Anhui, southern Guangdong, central Guangxi, southern Yunnan, Taiwan Island, eastern Heilongjiang, and northeastern Liaoning are expected to experience heavy to torrential rain, with some regions facing extreme rainfall (250-320 mm) [2][10]. - Specific areas such as southeastern Jiangsu, northern Shanghai, northern Zhejiang, and southern Taiwan may see localized extreme rainfall, with hourly precipitation potentially exceeding 70 mm [2]. Group 2: Strong Wind Alerts - From 08:00 on July 30 to 08:00 on July 31, regions including western and northeastern Inner Mongolia, eastern Xinjiang, northern and western Qinghai, Gansu's Hexi Corridor, Shanghai, northern Zhejiang, and southern Jiangsu are forecasted to experience winds of 5-6 levels, with gusts reaching 7 levels [4]. - In certain areas like Shanghai, northern Zhejiang, and southern Jiangsu, wind speeds may reach levels 7-8, with gusts of 9-10 levels [4]. Group 3: Typhoon Alerts - The 8th typhoon of the year, "Zhu Jie Cao," made landfall in Zhoushan, Zhejiang, with maximum wind speeds of 9 levels (23 m/s) and a minimum central pressure of 975 hPa [6]. - The typhoon is expected to move northwest at a speed of 10-15 km/h, potentially strengthening before making a second landfall between Ningbo, Zhejiang, and Qidong, Jiangsu, with wind speeds of 9-10 levels [8].

Group 1 - The Ministry of Water Resources and the China Meteorological Administration issued an orange warning for mountain flood disasters, predicting a high likelihood of such disasters in southern Fujian, eastern and southwestern Guangdong, and southeastern Yunnan from July 10, 20:00 to July 11, 20:00 [1] - The Central Meteorological Administration continued to issue a yellow warning for heavy rain, forecasting heavy to torrential rain in various regions including southern Fujian, most of Guangdong, and parts of Guangxi, with localized extreme rainfall expected to reach 250-300 mm [3] - The Ministry of Natural Resources and the China Meteorological Administration issued a yellow warning for geological disaster risks, indicating a high risk in eastern and southern Fujian, eastern Guangdong, southeastern Sichuan, western Chongqing, and northwestern Guizhou, with an orange warning for specific areas [5] Group 2 - The Central Meteorological Administration reported a high risk of waterlogging due to heavy rainfall, particularly in southern Fujian, eastern and southwestern Guangdong, and northern Guizhou, with a focus on urban flooding and agricultural waterlogging [7] - A nationwide flood risk meteorological warning map was released, indicating varying levels of risk across different regions, emphasizing the need for preparedness and monitoring [8]

Core Viewpoint - The article highlights the severe impact of heavy rainfall in Sichuan province from July 2 to July 4, leading to significant flooding and mudslides, with effective early warning systems in place to mitigate disaster risks [3][4][5]. Group 1: Weather Impact - Sichuan experienced intense rainfall characterized by high hourly precipitation and significant cumulative rainfall, with Guangyuan City recording the highest total rainfall in the province [3][4]. - From July 2, 20:00 to July 4, 08:00, the cumulative rainfall at the Quxi River station reached 351.8 mm, with flood levels exceeding historical extremes [5]. Group 2: Emergency Response - The meteorological departments at provincial, city, and county levels collaborated to issue timely warnings, including a red alert for heavy rain, which was communicated to the public through various channels [4][5][6]. - Over 15.6 million warning messages were sent out, covering more than 40,000 individuals, which helped in gaining critical emergency response time [5]. Group 3: Specific Incidents - In Aba Prefecture, a mudslide occurred in Jiakang Village, prompting immediate evacuation orders as rainfall approached critical levels [6][7]. - In Danba County, timely alerts led to the successful evacuation of residents before a mudslide blocked a major highway, demonstrating the effectiveness of targeted warnings [8][9][10].

Core Points - The Central Meteorological Administration issued a yellow high-temperature warning, predicting temperatures above 35°C in several regions including southern North China, Huanghuai, Jianghuai, and parts of Xinjiang [2] - A blue rainstorm warning was also issued, forecasting heavy to torrential rain in areas such as western and southern Sichuan Basin, and parts of Inner Mongolia and Hebei [4] - A blue warning for severe convective weather was released, indicating potential thunderstorms and hail in northeastern and central North China, with wind speeds exceeding 10 levels in some areas [6] - The main impact period for severe convective weather is expected from the night of July 4 to the daytime of July 5 [7] - A joint geological disaster meteorological risk warning was issued, highlighting high risks in regions like northern Sichuan and southern Gansu, urging local governments to prepare for disaster prevention [10] - A flood risk meteorological forecast indicated high risks of flooding in areas such as eastern Beijing and central Sichuan due to heavy rainfall [12]

Group 1 - The Central Meteorological Administration issued a yellow high-temperature warning, predicting temperatures exceeding 37°C in over 10 provinces and cities, with some areas reaching 40°C or above [1] - A blue rainstorm warning was issued, forecasting heavy rain in parts of Jilin, Liaoning, Gansu, and Sichuan, with some areas experiencing rainfall between 100 to 180 millimeters [2] - A blue warning for severe convective weather was released, indicating thunderstorms and strong winds in Northeast and North China, with wind speeds potentially exceeding 11 levels in some regions [3] Group 2 - A yellow fog warning was issued for the northern and central Yellow Sea, predicting visibility below 1 kilometer in certain areas [4]