Core Points - The Central Meteorological Observatory issued a yellow warning for high temperatures and a blue warning for heavy rain on August 20 [1] Group 1: High Temperature Warning - A yellow warning for high temperatures was issued, predicting temperatures between 35 to 39 degrees Celsius in various regions including Huanghuai, Jianghuai, Jianghan, and parts of Shaanxi and Sichuan [2] - Certain areas, such as Guanzhong in Shaanxi, central Henan, and parts of Shandong and Zhejiang, may experience temperatures exceeding 40 degrees Celsius [2] Group 2: Heavy Rain Warning - A blue warning for heavy rain was issued, forecasting significant rainfall from August 20 at 08:00 to August 21 at 08:00 in regions including eastern Liaoning, southeastern Jilin, and parts of Qinghai and Gansu [4] - Some areas, particularly central Hebei, may experience heavy rain with accumulations between 100 to 130 millimeters [4] - The forecast includes short-term heavy rainfall with maximum hourly rates of 20 to 50 millimeters, and localized areas may exceed 60 millimeters, along with potential thunderstorms and strong winds [4]

Core Viewpoint - The Central Meteorological Observatory has issued yellow and blue warnings for heavy rain and severe convective weather, indicating significant rainfall and strong winds expected in various regions from August 19 to August 20 [1][4]. Summary by Sections Heavy Rain Warning - Heavy rain is expected in regions including southern Inner Mongolia, southern Gansu, northern Shaanxi, central and southeastern Liaoning, southeastern Jilin, northern and central Shanxi, Beijing-Tianjin-Hebei, western Sichuan Basin, southern Guizhou, central and western Guangxi, and southern Guangdong [1]. - Localized areas may experience heavy rain with accumulations between 100 to 180 millimeters, and short-term heavy rainfall rates could exceed 70 millimeters per hour [1]. Severe Convective Weather Warning - Severe convective weather is anticipated in northern and southern parts of North China, southern Northeast China, and southern South China, with wind gusts exceeding 8 levels and possible hail [4]. - Specific areas such as southern Liaoning, eastern Hebei, and Tianjin may experience wind gusts above 10 levels, with maximum wind speeds potentially exceeding 11 levels [4]. - Short-term heavy rainfall exceeding 20 millimeters per hour is expected in various regions, with some areas experiencing rates above 50 millimeters, potentially reaching over 70 millimeters [4]. Defense Guidelines - Government and relevant departments are advised to prepare for heavy rain, thunderstorms, and strong winds, including artificial hail prevention measures [3][7]. - Outdoor activities should be minimized, and individuals should stay away from structures like awnings and billboards [7]. - Livestock should be moved to sheltered areas, and windows and doors should be secured [7]. - Waterway operations should take precautions, including returning to port or rerouting, and construction sites should secure materials against adverse weather [7].

Core Points - The Central Meteorological Observatory issued a yellow rainstorm warning on August 12, predicting heavy to torrential rain in various regions including southeastern Henan, northern Hubei, and eastern and southern Taiwan, with local extreme rainfall expected to reach 250-380 mm [1][10] - A yellow warning for severe convective weather was also issued, forecasting wind speeds exceeding 8 levels and possible hail in parts of Inner Mongolia, Northeast China, and North China [4][5] - Typhoon "Yangliu" was upgraded to a typhoon level, with maximum wind speeds of 12 levels (35 m/s) and expected to strengthen further, potentially making landfall in southeastern Taiwan [9][10] Weather Warnings - The yellow rainstorm warning indicates significant rainfall across multiple provinces, with specific areas experiencing extreme conditions [1][10] - The yellow warning for severe convective weather highlights the risk of strong winds and hail, particularly in regions like Liaoning and Hebei [4][5] - The yellow flood disaster warning suggests a high likelihood of mountain floods in several areas, particularly in southern Henan and northern Hubei [15] Defense Guidelines - Government and relevant departments are advised to prepare for rainstorm and typhoon emergencies, including traffic control and public safety measures [3][11] - Outdoor activities should be minimized, and individuals are encouraged to seek shelter in sturdy buildings [8][11] - Monitoring and drainage system checks are recommended to mitigate flood risks [3][15]

此外，北京市水务局与北京市气象局联合发布积水内涝蓝色预警：预计8月12日10时至8月13日8 时，北京市朝阳、石景山、丰台区存在局部积水内涝风险，提醒广大市民关注天气形势及雨水情变化， 出行尽量避开低洼处，同时做好地下空间防护工作。北京市气象台8月11日17时25分发布雷电蓝色预警 信号，提示预计12日11时至13日6时，北京市有雷电活动，局地短时雨强较大，并伴有7级左右短时大 风，请注意防范。 据介绍，北京市气象台8月12日8时40分发布大风蓝色预警信号：受雷雨云团影响，预计12日10时至 13日2时，北京市大部分地区将出现7至8级短时大风，山区局地阵风可达10级以上，请注意防范。同日7 时25分，北京市气象台发布暴雨蓝色预警信号：预计12日8时至13日8时，北京市自西向东有一次雷阵雨 过程，中午前后开始影响城区，部分地区小时雨强可达30毫米以上，6小时降水量可达50毫米以上，山 区及浅山区可能出现强降水诱发的山洪、泥石流、滑坡等次生灾害，低洼地区可能出现积水，请注意防 范。 新华社北京8月12日电（记者田晨旭）记者12日从北京气象部门了解到，12日北京有明显降水天 气，短时雨强较大，并伴有短时大风，山区可 ...

8月12日6时，中央气象台发布多条预警信息，请注意防范。 （央视新闻） 降水预报：8月12日8日至13日8时，台湾岛东北部地区将有大到暴雨（50~60毫米）。 中央气象台8月12日6时继续发布强对流天气蓝色预警： 预计8月12日8时至13日8时，内蒙古东南部、华北中北部、西南地区东部、江南东部等地的部分地区将 有8级以上雷暴大风或冰雹天气，其中，内蒙古东南部、山西东北部、河北中北部等地的部分地区将有 10级以上雷暴大风；内蒙古东部、华北中北部、江淮、江汉、江南中东部、西南地区东部和南部、华南 东部和南部等地的部分地区将有小时雨量大于20毫米的短时强降水天气，其中，内蒙古东南部、河北中 部和东北部、湖北南部、湖南西北部、浙江北部、贵州西南部、广东中部和西南部、海南岛东北部等地 的部分地区小时雨量大于50毫米，最大可达60毫米以上。 中央气象台8月12日6时发布暴雨蓝色预警： 预计，8月12日8时至13日8时，河南南部、湖北中部和西南部、湖南西部和北部、贵州东部和南部、云 南北部、河北西部和东北部、北京西部和北部、天津北部、台湾岛东北部、西藏东南部等地部分地区有 大到暴雨，其中，河南南部、湖北东北部和西南部、湖南 ...

Group 1: Weather Warnings - The Central Meteorological Observatory issued a yellow rainstorm warning, predicting heavy rain in regions including Guangxi, Guangdong, and Yunnan, with rainfall amounts reaching 100-200 mm in some areas [1] - There is a high risk of small river floods in northern Guangdong and northern and southeastern Guangxi, with an orange warning indicating a significant risk in specific localities [2] - Geological disaster risks are elevated in regions such as western Henan, central and southeastern Guangdong, and eastern Guangxi, with orange warnings for high-risk areas [3] Group 2: Flood and Disaster Risks - An orange flood disaster warning was issued, indicating a high likelihood of mountain flood disasters in areas including western Inner Mongolia, northern Guangxi, and western Yunnan [4] - There is a high risk of waterlogging in central Henan, northeastern Qinghai, and central Gansu, with specific areas in Guangdong and Guangxi also at risk [6]

央视网消息：中央气象台8月4日18时继续发布暴雨橙色预警： 预计，8月4日20时至5日20时，甘肃东南部、陕西关中、四川盆地西部和北部、内蒙古中东部、山西中南部、河北大 部、河南北部、山东北部、北京、天津、辽东半岛、浙江中南部、福建、江西南部、湖南南部、广西中东部、广 东、香港、澳门、台湾岛等地部分地区有大到暴雨，其中，北京东部、天津南部、河北东部、山东西北部、广西东 部、广东中部和东南部沿海、香港、澳门、福建东南部沿海、台湾岛中西部等地部分地区有大暴雨，河北东南部、 山东西北部、广西东部、广东中部和东南部沿海、台湾岛中西部等地局地特大暴雨（250～350毫米）。上述部分地 区伴有短时强降水（最大小时降雨量20～50毫米，局地可超过80毫米），局地有雷暴大风等强对流天气。 防御指南： 1、政府及相关部门按照职责做好防暴雨应急工作； 2、切断有危险的室外电源，暂停户外作业； 3、处于危险地带的单位应当停课、停业，采取专门措施保护已到校学生、幼儿和其他上班人员的安全； 4、做好城市、农田的排涝，注意防范可能引发的山洪、滑坡、泥石流等灾害。 中央气象台8月4日18时继续发布高温橙色预警： 预计8月5日白天，华北南部 ...

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].