At 14:44 on October 20, the Hainan Haikou Meteorological Observatory issued an orange warning signal for rainstorms: Affected by convective clouds, the rainfall in Yanfeng Town in the past hour has reached 79.1 mm. It is estimated that in the next 3 hours, Haikou city, Lingshan Town, Yanfeng Town, Sanjiang Town, Haikou Bay, and Dongzhai Port will still have 10 to 35 mm of precipitation. Relevant units and personnel are advised to take precautions.

At 14:44 on October 20, the Hainan Haikou Meteorological Observatory issued an orange warning signal for rainstorms: Affected by convective clouds, the rainfall in Yanfeng Town in the past hour has reached 79.1 mm. It is estimated that in the next 3 hours, Haikou city, Lingshan Town, Yanfeng Town, Sanjiang Town, Haikou Bay, and Dongzhai Port will still have 10 to 35 mm of precipitation. Relevant units and personnel are advised to take precautions.