预计8月11日08时至12日08时，内蒙古东部、华北北部、西北地区东部、西南地区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，内蒙古东部、河北西北部等地的部分地区将有10级以上雷暴大风，最大风力可达11级 以上；内蒙古东部、华北北部、西北地区东部、江淮、江汉、江南北部、西南地区东部、华南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，安徽中部、江苏中部、湖北西部、四川东南部、重庆中西部和 东北部等地的部分地区小时雨量大于50毫米，最大可达70毫米以上。 8月11日6时，中央气象台继续发布暴雨黄色和强对流天气蓝色预警： 暴雨黄色预警： 预计，8月11日08时至12日08时，苏皖中部、湖北东部和南部、湖南西北部、四川东部和南部、重庆、贵州中西部和 东北部、云南北部以及内蒙古中东部等地部分地区有大到暴雨，其中，江苏中部、湖北西南部、湖南西北部、重庆 中东部、贵州东北部等地部分地区有大暴雨，湖南西北部、重庆东南部等地局地特大暴雨（250～280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70毫米），局地有雷暴大风等强对流天气。 防御指南： 强对流天气蓝 ...

Group 1 - Beijing is currently under a red rainstorm warning, with significant rainfall reported in Huairou, Miyun, and Shunyi [1] - From 13:00 to 19:00 on August 4, the average rainfall across the city was 1.5 mm, with a maximum of 18.5 mm recorded at the Daguanyuan in Xicheng [3] - The strongest rainfall is expected to impact areas such as Miyun, Shunyi, and Pinggu, with localized hourly rainfall potentially reaching 20 to 40 mm [5] Group 2 - The Central Meteorological Observatory has issued an orange rainstorm warning and a blue warning for severe convective weather, covering Beijing [5] - Forecasts indicate that from 20:00 on August 4 to 20:00 on August 5, parts of Beijing, Tianjin, and the Liaodong Peninsula may experience heavy to torrential rain [5] - The chief forecaster from the Central Meteorological Observatory noted that while there may be a lull in rainfall, strong convective rain bands are expected to develop and strengthen overnight [6]

Core Points - Gansu Province is experiencing a short-duration heavy rainfall event, with maximum hourly rainfall expected to reach 80 mm from August 3, 14:00 to August 4, 05:00 [1] - The meteorological risk warning for mountain flood disasters has been upgraded from yellow to orange due to the anticipated heavy rainfall [1] - Local areas in Gansu have already recorded hourly rainfall exceeding 40 mm on August 2 and 3 [1] Summary by Category Weather Forecast - Heavy rainfall is forecasted for several cities in Gansu, including Zhangye, Wuwei, Lanzhou, Baiyin, Dingxi, Linxia, and Gannan, with hourly rainfall expected to be between 30 to 50 mm, and potentially reaching 80 mm [1] - Thunderstorms, strong winds, or hail are expected in the Qilian Mountains and southern Lanzhou from 15:00 to 22:00 on August 3 [1] Emergency Response - Gansu's Water Resources Department and Meteorological Bureau have issued an orange warning for mountain flood disaster risks, indicating a high likelihood of such events in Lanzhou, Baiyin, Wuwei, and Linxia from August 3, 14:00 to August 4, 11:00 [1] - A level IV emergency response for flood defense has been activated in Lanzhou, Baiyin, Wuwei, and Linxia starting from 11:00 on August 3 [1] Risk Management - The meteorological and water resources departments have highlighted a high risk of small river floods, mountain floods, geological disasters, and urban flooding due to the overlapping areas of heavy rainfall [2] - Authorities are advised to enhance real-time monitoring, flood warning systems, and evacuation measures, while also considering the adverse effects of hail on agricultural facilities and economic crops [2]

Group 1 - The Central Meteorological Administration issued an orange high-temperature warning and a blue severe convective weather warning on July 16 [1] - High temperatures above 35°C are expected in regions including southern Shaanxi, southwestern Shanxi, central Henan, and parts of Xinjiang and Inner Mongolia, with some areas reaching 37-39°C and others exceeding 40°C [1] - Severe convective weather is anticipated from July 16, 20:00 to July 17, 20:00, with thunderstorms and hail expected in eastern Northwest China, Jianghan, Jianghuai, and eastern Jiangnan [4] Group 2 - Recommendations include avoiding outdoor activities during high temperatures, especially for vulnerable populations, and implementing heat prevention measures [4][8] - Authorities are advised to prepare for short-term heavy rain, thunderstorms, and strong winds, with specific measures for outdoor workers and livestock [8] - Areas such as southern Henan, southern Anhui, and eastern Zhejiang may experience short-term heavy rainfall exceeding 50mm, with maximum amounts potentially reaching over 70mm [5]

Core Viewpoint - The article emphasizes the significant rainfall and strong convective weather expected across both southern and northern regions of China from May 8 to 9, with warnings issued for heavy rain and severe weather conditions [1][3][10]. Summary by Sections Rainfall Forecast - Heavy to torrential rain is anticipated in regions such as Jiangnan, Huazhong, and parts of Huabei, with specific areas like southwestern Anhui, eastern Hubei, northeastern Jiangxi, western Zhejiang, and northern Guangxi expected to experience extreme rainfall [3][5]. - The Central Meteorological Observatory has issued yellow warnings for heavy rain and strong convective weather [3][4]. Severe Weather Alerts - From May 8 at 14:00 to May 9 at 14:00, areas including southern Jianghuai, southwestern Jiangnan, northern Huanan, and northern Huabei are forecasted to experience heavy rain, with some regions facing extreme conditions [5][7]. - Wind gusts of 10 or more are expected in certain areas, with maximum wind speeds potentially reaching 11 [7][10]. Temperature and Wind Changes - A temperature drop of 4 to 8 degrees Celsius is expected in the northwest and northern regions, with wind speeds of 4 to 6 levels and gusts reaching 7 to 10 levels [12][15]. - The article notes that after the rain, temperatures in northeastern and northern regions may rise significantly, with highs potentially reaching 36 degrees Celsius shortly after the rain [15]. Public Safety Recommendations - The article advises the public to stay informed about weather forecasts and warnings, and to avoid outdoor activities during severe weather periods [10][20]. - Specific safety measures include avoiding areas prone to flooding, securing loose items, and refraining from using metal tools during thunderstorms [20][26].