Forecast and early warning of typhoon pearl

As Typhoon Pearl entered the South China Sea on May 15, the Hong Kong Observatory, the Macao Meteorological Observatory and the meteorological stations in coastal cities of Guangdong, Fujian and Zhejiang all issued early warning signals that night to remind the public of the impact of the typhoon. Typhoon Pearl entered the warning range of 800 kilometers on May 15, Hong Kong time. The Hong Kong Observatory issued the warning signal 1 at 9: 40 pm, then changed the strong wind signal No.3 at 7: 00 am on May 17, and re-issued the warning signal 1 at 9: 00 pm on May 18, Hong Kong time, that is, at 4: 40 am. ; On May 16 and May 17, the weather in Hong Kong turned cloudy with northerly winds and showers (until the strong winds in the northwest turned to blow in the afternoon of May 17). Tate's Cairn Mountain and Henglan Island were once northerly; The winds at Chek Lap Kok, Tai Wai Tuk and Cheung Chau reached 7, and the northerly winds at Kai Tak and central Victoria Harbour also reached 6. Many beaches are hung with red flags; At the same time, due to the influence of astronomical tide, the water levels of Chengmen River and Shatian squib Bay rose, and the water level of squib Bay rose to 2.7 meters above sea level from 9: 00 a.m. to 1 at night, causing slight flooding.

Several ferry companies began to cancel some services on the evening of May 16. Many other container terminal companies suspended the delivery of unloaded containers from 9: 00 am on May 17 to the morning of May 18.

Land transportation: At 2 am, the Transport Department banned electric bicycles and vehicles with a body height of 65,438+0.6m from using the upper deck of Lantau Link, Ting Kau Bridge and Ma Wan Road. Affected vehicles have to turn to Tuen Mun Highway, resulting in serious congestion on Tuen Mun Highway during peak hours. In addition, the bus service in Ma Wan was also affected and stopped at 8: 05 am on May 17. Residents have to use ferries instead. In addition, due to the issuance of typhoon signal No.3, the Education and Manpower Bureau announced that all kindergartens, schools for disabled children and schools for mentally handicapped children would be closed for one day that morning and return to normal the next day. As Pearl entered the 800-kilometer area on the afternoon of May 15, local time, the Meteorological Observatory issued the warning signal 1 at 7: 00 p.m., and changed it to strong wind signal No.3 at 6: 30 p.m. on May 16, and cancelled all typhoon signals at 8: 00 p.m. on May 17.

Like Hong Kong, the market winds gradually increased after the evening of May 16, and it rained most of the time, but it didn't rain much. On the same day and the next morning, Cheng Zeguo was near the downtown waterfront of Huancheng Road, at Pier 22 and Pier 16 in Neigang Waterfront. The water was ankle deep and some fish were washed onto the road. Fortunately, the situation is not serious. White-headed waves appeared in the nearby sea, and the waves occasionally beat the shore. The Home Affairs Department suspended the opening of Zhuwan Swimming Pool from that day until the afternoon of 20th. Many cities in Guangdong province are expected to be attacked by pearls. Shipping from Haikou, Hainan to Guangzhou and Beihai has been suspended, and some trains on the Guangdong-Hainan Railway have been suspended. Guangzhou is surrounded by 20 cities and counties including Shenzhen, Zhuhai, Shantou, Huizhou and Shunde.

As Shantou Meteorological Observatory predicted that Pearl would land in the coastal area from Shanwei to Raoping in the evening of May 17, and hit Shantou head-on, Pearl became the biggest typhoon that hit Shantou head-on in May in 57 years. The Meteorological Observatory issued a yellow signal on the evening of May 16 and a red signal at noon on May 17. By the morning of May 18, Shantou Meteorological Observatory cancelled the red typhoon signal and the black rainstorm signal at 5: 40, and the local sky was occasionally clear that morning.

Shantou Sanfang Command issued an urgent notice on the morning of May 17, requesting to evacuate the dangerous place before 3 pm and stop the operation at the quarry. According to Shantou Metropolis Daily, by 5 pm that day, 368 12 people had moved out of the dangerous area, and there were13,340 crew members and aquaculture personnel working at sea. All schools in the city, including primary schools, middle schools and adult schools, are closed and classes are held as usual the next day. At 4: 30 pm on May 17, the sea-crossing bridges such as Shantou Bay Bridge were closed, and 23 inbound and outbound flights (mostly domestic routes such as Guangzhou, Shanghai and Beijing) were cancelled at Shantou Airport, and the trains operated as usual.

Pearl crossed Nan 'ao Island in the early morning of May 18120, and landed at the junction of Chenghai District and Raoping County at 2: 0015, and weakened immediately after landing. 17 At 7 o'clock in the evening of May, with the approach of Typhoon Pearl, there was a general rainstorm in Shantou, with the magnitude of 9 to 10 and the gust of wind 12. In terms of rainfall, Shantou Meteorological Observatory recorded rainfall of 187. 1 mm from 8: 00 pm on May 6 (from the afternoon of May 6 17: 30, central weather bureau issued a typhoon warning, 65438, covering Taiwan Province Strait, bashi channel and Dongsha Island. 17 issued a land typhoon warning for Jinmen and Penghu in the early morning. At 8: 30am, the northern waters of Taiwan Province Province entered the warning zone again. In the afternoon 14: 30, the south of taichung and the north of tainan are included in the warning zone; 17: 30, the land alert scope was extended to the area north of Tainan.

On May 18, kinmen county, Penghu County, Tainan County and Tainan City announced that they would not go to work or attend classes. Lianjiang county and Yunlin county go to work as usual, and there are no classes in high school and below. The typhoon warning of Taiwan Province Island was lifted at 0: 30 165438+ on May 8; 17: 30, as Pearl weakened and became an extratropical cyclone, central weather bureau lifted all typhoon warnings at sea and on land.