According to the Central Meteorological Observatory, at 15:00 today (September 11), Typhoon "Sandu" was located on the sea surface of the Bashi Channel about 410 kilometers south of Yilan County, Taiwan Province. The intensity was a super typhoon (level 16). , 55 m/s).

It is expected that "Sun Du" will continue to move northward, passing through or landing on the northeastern part of Taiwan Island from the afternoon to the evening of the 12th (strong typhoon level, 45-50 m/s, 14-15 level), and then moving into the southern part of the East China Sea. , Gradually moving to the coastal area of ​​north-central Zhejiang, does not rule out the possibility of landing in this area around the 14th (typhoon level or strong typhoon level, 35 ~ 42 m/s, 12 ~ 14).

  Affected by this, from the afternoon of the 11th to the 17th, the Bashi Strait, the east of Taiwan, the Taiwan Strait, the East China Sea and the waters near the Diaoyu Islands, the southern Yellow Sea and the coast of Taiwan Island, the north-central coast of Fujian, the coast of Zhejiang, the coast of Shanghai, the coast of Jiangsu, and Hangzhou In the Bay and the Yangtze River Estuary, there are strong winds of 8 to 11, some sea areas or areas have winds of 12 to 14 and gusts of 15 to 16, and the sea areas or regions that the typhoon passes through can reach winds of 15 to 16 and 17 gusts.

  Affected by the typhoon "Sandu" and its peripheral cloud systems, heavy rainfall will continue to occur in Taiwan Island, Zhejiang, Shanghai, Jiangsu and other places.

From the afternoon of the 11th to the 12th, there were heavy to heavy rains on most of Taiwan Island, local heavy rains; the cumulative rainfall was 60-180 mm, and the central mountainous area was 250-350 mm locally.

From the 12th to the 15th, there were torrential rains to heavy rains in parts of eastern and northern Zhejiang, Shanghai, southeastern Jiangsu and other places, and there were extremely heavy rains in northeastern Zhejiang, Shanghai and other places; the cumulative rainfall in the above-mentioned areas was 80-180 mm The accumulated rainfall in northeastern Zhejiang and eastern Shanghai is 250-400 mm, and the local area in northeastern Zhejiang can reach more than 600 mm.

  Affected by heavy rainfall, from the 12th to the 15th, the meteorological risks of mountain floods, geological disasters and waterlogging in parts of eastern Zhejiang are high, and the local meteorological risks are high; the meteorological risks of small and medium-sized river floods in the Hangjiahu area of ​​Zhejiang and southern Shanghai are high. The local weather risk is very high.

  Meteorological experts reminded that due to the adjustment of atmospheric circulation, the future path of Typhoon No. 14 "Sandu" is still uncertain, and it may also make landfall along the coast of central and northern Zhejiang. However, whether it landed or not, "Chan Du" will severely affect the coastal areas of central and northern Zhejiang, and will last for a long time. Zhejiang, Shanghai, Fujian, Jiangsu and other places need to make preparations in advance for typhoon prevention, especially in the severely affected areas such as Ningbo, Zhoushan, Shanghai, and Hangzhou Bay, and they need to take precautionary measures in advance to ensure their own safety .