山东发布暴雨蓝色预警！12市大到暴雨局部大暴雨，济南“晚高峰处于降雨集中时段”

Group 1 - Shandong Meteorological Station issued a blue rainstorm warning on September 16, indicating that due to the influence of warm humid air and cold air, areas such as Zaozhuang, Linyi, and Qingdao experienced moderate to heavy rain, with local heavy rain or torrential rain [1] - The forecast for September 16 predicts strong rainfall across most of the province, with accumulated average precipitation expected to be between 30 to 50 millimeters, and certain areas experiencing localized heavy rain of 40 to 70 millimeters, with some spots reaching 100 to 200 millimeters [1] - The maximum hourly rainfall is expected to reach 40 to 70 millimeters, and residents are advised to take precautions against potential flooding and other secondary disasters [1] Group 2 - A blue wind warning was also issued, forecasting northeast winds with gusts of 8 to 9 levels in certain coastal areas from the afternoon of September 16 to the daytime of September 17 [4] - The weather is expected to be overcast with heavy rain in several regions, while other areas will experience light to moderate rain, accompanied by thunderstorms [4] - Nighttime temperatures are forecasted to range from 15°C to 18°C, with daytime highs around 25°C to 30°C in various regions [4] Group 3 - On September 18, the weather is expected to be cloudy with light to moderate rain in areas like Liaocheng and Heze, while the peninsula region will remain mostly cloudy [5] - The nighttime temperatures will be around 15°C to 17°C, with daytime highs expected to be around 23°C to 25°C [5] - The Jinan Meteorological Station also issued a blue rainstorm warning, predicting heavy rain in specific areas with average rainfall of 20 to 40 millimeters, and localized areas exceeding 70 millimeters [5]