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Typhoon Summary for August 15: Remnant Vortex of "DOLPHIN" Causes Heavy Rainfall; No New Typhoons Formed

Typhoon Bot original · 2026-08-15 · More typhoon news · live track map

Current Maritime Situation and Meteorological Insights

As of August 15, there are no active typhoons in the Northwest Pacific Ocean or the South China Sea, with sea conditions remaining relatively calm. However, although Typhoon DOLPHIN (the 13th typhoon of the year) has been decommissioned, its residual circulation continues to affect various regions across China. From a meteorological perspective, mid-August is typically an active period for typhoons. When a typhoon dissipates, if its low-pressure remnant vortex interacts with cold air moving southward, it can easily trigger the "train effect." This phenomenon causes rain clouds to pass over the same area consecutively, like train cars, resulting in prolonged rainfall and massive cumulative precipitation. This is the scientific reason why some areas continue to experience extreme heavy rain even after a typhoon has made landfall and weakened.

Recent Public Opinion Focus

As the remnant vortex of "DOLPHIN" continues to move eastward, public attention has shifted from initial typhoon and flood prevention to post-disaster recovery and secondary impacts. Firstly, the topic "The typhoon has left, but the rain hasn't stopped" has become a hot discussion point. The persistent heavy rainfall brought by the returning remnant vortex has maintained high flood control pressure in regions such as Jiangnan and the Jianghuai area. Secondly, post-disaster insurance claims and urban operational guarantees have drawn significant attention. Many insurance institutions have received a large number of reports, and relevant departments are urgently inspecting hidden hazards, such as underground power distribution rooms, to ensure power supply safety. Additionally, the protection of workers' rights during extreme weather has resonated socially. Incidents where employees had their salaries deducted for taking leave due to waterlogging during the typhoon have sparked calls for companies to show more humanistic care during special weather conditions, avoiding rigid attendance policies that could dampen employee morale.

Meteorological Defense and Safety Tips

Although no new typhoons have formed, the heavy rainfall caused by the residual system of "DOLPHIN" is ongoing. Since the rainfall areas largely overlap with previous ones, soil moisture content has approached saturation. Regions such as Jiangnan and the Jianghuai area must remain highly alert to the lagging effects of flash floods, geological disasters, and urban and rural waterlogging. The public is advised to stay away from mountainous river channels and areas prone to geological hazards, prioritize travel safety, and guard against secondary disasters triggered by heavy precipitation.

Please refer to official warnings issued by the China Meteorological Administration (CMA) and local governments.

Reference reports

The previous article: 8月14日Typhoon 综述: 17号NangkaE移, Dolphin残余致江SRainstorm · 下一篇: 8月16日Typhoon 综述: 海面暂无Typhoon , 回顾Dolphin

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