Core Viewpoint - The article provides weather warnings for heavy rain and a tropical storm, emphasizing the need for preparedness and safety measures in affected regions [2][7]. Rainstorm Warning - A yellow warning for heavy rain has been issued, predicting significant rainfall in regions such as southern Guangxi, southeastern Yunnan, southern Guizhou, western and northern Guangdong, southern Hunan, and eastern Hainan Island from September 25, 08:00 to September 26, 08:00 [2][8]. - Some areas, particularly in southwestern Guangxi and southeastern Yunnan, may experience heavy rain with accumulations of 100 to 200 millimeters [2][8]. - Short-term heavy rainfall is expected, with maximum hourly rainfall reaching 30 to 50 millimeters, and localized areas possibly exceeding 60 millimeters [2]. Defense Guidelines for Rainstorm - Government and relevant departments should ensure proper measures are in place for rainstorm defense [4]. - Traffic management should implement control measures based on road conditions during heavy rainfall [4]. - Outdoor operations in open areas should be suspended, and individuals in dangerous zones should be relocated to safe places [5]. - Drainage systems in urban areas, farmland, and fish ponds should be inspected and necessary drainage measures taken [5]. Typhoon Warning - A blue warning for Typhoon "RAGASA" has been issued, which has weakened from a strong tropical storm to a tropical storm as of September 25 [7]. - The storm's center is located approximately 25 kilometers southeast of Beihai, Guangxi, with maximum wind speeds of 9 levels (23 meters per second) and a minimum central pressure of 990 hPa [7][15]. - The storm is expected to move westward at a speed of 15 to 20 kilometers per hour, heading towards the northern coast of Vietnam, where it is predicted to make landfall in the afternoon to evening of September 25 [7]. Defense Guidelines for Typhoon - Government and relevant departments should prepare for emergency response to the typhoon [12]. - Waterborne operations and passing vessels should return to port for safety, and port facilities should be reinforced to prevent accidents [12]. - Outdoor large gatherings and high-altitude operations should be halted, and structures vulnerable to wind should be secured or dismantled [15]. - Residents should remain indoors, especially vulnerable populations like the elderly and children, and be prepared for sudden strong winds [15].

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 - The city of Guangzhou is expected to experience heavy rain to torrential rain starting from September 7 due to the influence of a tropical system, which will alleviate high temperatures [1][2] - The Guangzhou Flood Control and Drought Relief Headquarters reported that as of September 4, the average rainfall in the city was 1853.5 mm, which is higher than the normal level of 1653.7 mm for the same period but lower than last year's 2307.6 mm [1] - The city has activated emergency responses 46 times this year, including 41 for heavy rain and flooding, 4 for typhoons, and 1 for flood control [1] Group 2 - The upcoming rainfall is expected to cause significant rises in water levels in small and medium rivers, with changes ranging from 1 meter to 3 meters, and some rivers may approach warning levels [2] - The Pearl River Estuary will experience notable storm surge, coinciding with astronomical tides, which may lead to tidal levels exceeding warning thresholds in certain sections of the Pearl River [2] - From September 9 to 10, Guangzhou will see heavy rain to torrential rain, with a transition to mainly overcast weather starting September 11 [2]

Weather Alerts - The Central Meteorological Observatory issued a blue rain alert on August 30, predicting heavy to torrential rain in several regions including eastern Jilin, eastern Liaoning, and southern Shandong from 14:00 on August 30 to 14:00 on August 31, with some areas experiencing rainfall of 100-140 mm [1] - Short-term heavy rainfall is expected, with maximum hourly rainfall reaching 20-50 mm, and localized areas possibly exceeding 70 mm, along with thunderstorms and strong winds [1] Typhoon Information - The Central Meteorological Observatory also issued a blue typhoon alert, announcing that the tropical depression in the South China Sea strengthened into Typhoon "Lanhu" (Nongfa) on August 30, with maximum wind speeds of 8 levels (18 m/s) and a minimum central pressure of 995 hPa [3] - The typhoon is expected to move westward at a speed of 25-30 km/h and is predicted to make landfall in central Vietnam later in the day, gradually weakening thereafter [3] - Wind forecasts indicate that from 14:00 on August 30 to 14:00 on August 31, there will be winds of 6-7 levels in parts of the South China Sea and coastal areas of Guangdong and Hainan, with some areas experiencing winds of 8 levels and gusts of 9-11 levels [3]

Core Viewpoint - The article discusses the ongoing severe weather conditions in various regions of China, including heavy rainfall and strong convective weather warnings issued by the Central Meteorological Observatory. Group 1: Weather Warnings - A yellow rainstorm warning has been issued, predicting heavy to torrential rain in several regions from August 11 to August 12, with specific areas experiencing extreme rainfall of 250 to 280 millimeters [3][5][7] - A blue warning for strong convective weather has also been issued, forecasting wind speeds exceeding 8 levels, with some areas in Inner Mongolia and Hebei experiencing winds above level 10 [5][7] - The main impact period for these severe weather conditions is expected to be from the afternoon to the night of August 11 [8]

Summary of Key Points Core Viewpoint - The article discusses the weather conditions in Shanghai, highlighting the transition from typhoon effects to high temperatures, with forecasts indicating continued high temperatures and potential thunderstorms in the coming days [1]. Weather Forecast - Shanghai is expected to experience temperatures around 35°C from today until Wednesday, with afternoon short-term rain or thunderstorms [1]. - The highest temperature today is forecasted to reach 35°C, with northern areas experiencing notable short-term precipitation [1]. Weather Dynamics - The first half of the week will see high temperatures in Shanghai, which will accelerate water vapor evaporation, leading to cloud formation and energy release, thus enhancing the potential for thunderstorms and heavy rain [1]. - In the latter half of the week, Shanghai will be positioned at the edge of the subtropical high pressure, making it susceptible to triggering or intensifying precipitation [1].

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 Points - The article discusses the impact of Typhoon "Zhu Jie Cao" on Shandong province, including weather warnings and rainfall data [1][2] - The typhoon is expected to weaken as it moves westward, with significant rainfall forecasted for several cities [1][2] - The article provides detailed temperature forecasts and expected weather conditions for the upcoming days [3][4][5] Weather Warnings - Shandong province has issued blue alerts for typhoons and heavy rain, along with a yellow alert for strong winds at sea [1][2] - The typhoon's center was located in Nanjing, with maximum wind speeds of 8 levels (18 m/s) and a minimum pressure of 990 hPa [1] Rainfall Data - From 06:00 to 16:00 on July 31, 7 cities and 443 townships experienced an average rainfall of 1.2 mm, totaling approximately 1.9 billion cubic meters of water [1] - The highest recorded rainfall was 44.5 mm in Linyi, followed by 39.5 mm in Rizhao [1] Temperature Forecasts - Minimum temperatures are expected to be around 23°C in the central mountainous areas and 25°C in other regions [3][4] - Maximum temperatures are forecasted to reach around 34°C in Heze, Dezhou, and Liaocheng, while other areas will see temperatures between 30°C and 32°C [3][4] Upcoming Weather Conditions - From the night of August 1 to the day of August 2, thunderstorms and rain are expected in Linyi, Rizhao, and Zaozhuang, with other areas experiencing cloudy weather [3][4] - Wind conditions will vary, with eastern winds of 4-5 levels and gusts of 6-7 levels in coastal areas [2][3]

Core Points - Recent extreme rainfall in the Beijing-Tianjin-Hebei region has led to high-level weather warnings issued by meteorological departments [1] - Rain intensity, defined as the amount of rainfall in a specific time frame, differs from the concept of heavy rain, which refers to total accumulated rainfall over a longer period [3] - The hourly rainfall in Fangshan, Beijing reached an extreme level of 68.5 mm, with 13 weather stations in the area setting historical records during this event [5] - Understanding rain intensity is crucial, as an hour of 70 mm rainfall equates to 70 liters of water per square meter, leading to rapid flooding in urban areas and potential geological disasters in mountainous regions [7] - High-level rain warnings, especially red alerts, indicate significant risks, urging the public to avoid dangerous areas and ensure personal safety [9]

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].