Beijing: The Beijing Meteorological Service has forecast intense rain across most parts of the capital from August 11 evening through August 13, with heavy downpours expected in several districts.
Rainfall could exceed 100mm (3.9 inches) within 6 hours and surpass 150mm (5.9 inches) over a 24-hour period. Cumulative rainfall in Tongzhou, Daxing, Fangshan, Mentougou, Huairou and Fengtai could exceed 200mm (7.9 inches) within 24 hours.
Beijing is preparing for heavy rainfall that could exceed one-third of the capital’s average annual precipitation within 24 hours as moisture from Typhoon Dolphin moves north and meets cooler air over northern China.
The forecast rainfall is significant compared with Beijing’s average annual total of 528mm (20.8 inches). Most of the capital’s yearly rainfall occurs between June and September. The expected downpours could therefore deliver a substantial share of the annual total in a very short period.
Authorities in the mountainous Mentougou district of western Beijing have issued the highest level of flood emergency alert. Residents are advised to remain indoors unless necessary and avoid travelling towards mountainous areas and rivers.
The warning reflects heightened risks in areas where intense rainfall can quickly increase water levels and trigger flooding. Mountainous locations are particularly vulnerable during periods of concentrated rainfall.
Authorities are monitoring conditions as Beijing prepares for one of the most significant rainfall events of the season. Heavy downpours could affect travel and disrupt normal activities across several parts of Beijing.
The expected rainfall also highlights the concentration of China’s capital rainfall during the summer months. With more than 200mm possible in some districts, local authorities are focusing on flood risks and public safety as the storm system approaches.
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