7月上旬高温暴雨将影响哪里

Summary of Key Points Core Viewpoint - The Central Meteorological Observatory forecasts significant rainfall and potential secondary disaster risks in regions including Sichuan, Gansu, and Yunnan from July 2 to July 6, with extreme weather conditions expected to impact transportation and safety [1][2]. Group 1: Weather Forecast and Impact - The rain belt is expected to primarily affect areas from Yunnan, Sichuan, and Gansu to North China and Northeast China, with continuous rainfall and high disaster risk in Sichuan, Gansu, and Yunnan [1]. - From July 2 to July 6, the western Sichuan Basin, western Yunnan, and parts of Gansu and Shaanxi are predicted to experience significant rainfall, with cumulative precipitation ranging from 40 to 80 millimeters, and localized areas exceeding 400 millimeters [1][2]. - The forecast indicates that the rainfall will have extreme characteristics, with short-term rainfall intensity potentially reaching 70 to 100 millimeters per hour [1][2]. Group 2: Disaster Risks - The meteorological risk for mountain floods in the western Sichuan Basin is assessed as very high, with certain rivers in western and southern Yunnan also at risk of exceeding guaranteed water levels [2]. - Geological disaster risks are high in the western and northern Sichuan Basin, southern Gansu, and western and southern Yunnan, with urban flooding risks also elevated in these areas [2]. - Since late June, precipitation in the Sichuan Basin, southern Gansu, and southern Yunnan has been 1 to 2 times higher than the historical average for the same period, indicating a significant increase in rainfall intensity and duration [2].