“衣物都有馊味了”，北京也出现了“回南天”

Core Viewpoint - Beijing is experiencing unusual humidity levels comparable to southern regions, leading to discomfort among residents due to high temperatures and moisture in the air [1][2][4]. Weather Conditions - Recent weather in Beijing has shown humidity levels exceeding 70%, with temperatures around 30°C, resulting in a perceived temperature of approximately 35°C [2]. - The current weather pattern is influenced by warm and humid air from the subtropical high-pressure system, causing conditions similar to the typical summer heat experienced in late July to early August [2][4]. Humidity Analysis - The minimum relative humidity in certain districts of Beijing has approached 60%, significantly higher than the historical average of 12.6% for early July [2][4]. - The ongoing high humidity is attributed to the persistent influence of warm, moist air from the western Pacific subtropical high-pressure system, which has led to increased rainfall in the region [4]. Rainfall and Relief - Since June 26, Beijing has experienced continuous rainfall, with forecasts indicating further significant rain, which is necessary to alleviate the current humidity levels [4]. - Meteorological experts suggest that a substantial rain event is required to convert atmospheric moisture into precipitation, providing temporary relief from the high humidity [4].