江淮等地强对流天气多发 南方高温减少但依然闷热

Summary of Key Points Core Viewpoint - The weather forecast indicates significant rainfall and temperature drops in the northwest region due to cold air, while the southern regions will experience continued heat and humidity, with high temperatures expected to return shortly after a brief respite [1][6]. Group 1: Weather Conditions - The northwest region will see increased rainfall from September 1 to 3, with heavy rain expected in areas like Qinghai, Gansu, and Shaanxi [1][5]. - Strong convective weather is prevalent in the Jianghuai region, with scattered heavy rain reported in various areas including Anhui and Hubei [1][2]. - The central meteorological station predicts medium to heavy rain in several regions including eastern Qinghai and southern Gansu, with localized heavy rain expected [2][3]. Group 2: Temperature Changes - Southern regions are experiencing a reduction in high temperatures, but humidity remains high, leading to a continued feeling of heat [6]. - The temperature in the northwest is expected to drop significantly, with some areas experiencing a decrease of over 6°C, and localized drops exceeding 10°C [6]. - The subtropical high pressure will shift northward, causing a resurgence of high temperatures in the Yangtze River basin starting September 4 [6].