Original title: Typhoon warning upgraded to yellow! “Sandu” is approaching Shanghai, Zhejiang and other places with heavy rainstorms
China Weather News Central Meteorological Observatory issued a yellow typhoon warning at 10:00 on September 11:
The center of this year’s 14th typhoon “Sandu” (super typhoon class) is today (11th) at 9 o’clock in the morning on the Bashi Channel, about 480 kilometers south of Yilan County, Taiwan Province, at 20.4 degrees north latitude and 122.0 east longitude. Degree, the maximum wind force near the center is 16 levels (55 m/s), the lowest pressure in the center is 930 hPa, the radius of the seventh wind circle is 220-300 kilometers, the radius of the ten wind circle is 130-150 kilometers, and the radius of the twelfth wind circle 70 kilometers.
It is expected that “Sun Du” will move northward at a speed of 10-15 kilometers per hour, and will pass or land on the northeastern part of Taiwan Island from the afternoon to the evening on the 12th (45-50 m/s, 14-15 level, strong Typhoon level), and then moved into the south of the East China Sea, gradually approaching the coastal area of northeastern Zhejiang, and the intensity slowly weakened.
In addition, the center of this year’s No. 13 typhoon “Kang Sen” (strong tropical storm level) is located at 9 o’clock this morning on the western sea surface of the South China Sea, about 180 kilometers east of Quang Nam Province, Vietnam. It is 15.7 degrees north latitude and 110.2 degrees east longitude. The maximum wind force nearby is 10 levels (25 m/s), the lowest air pressure in the center is 985 hPa, and the radius of the 7-level wind circle is 120-180 kilometers.
It is expected that “Conson” will move westward at a speed of 5-10 kilometers per hour, slowly weakening in intensity, and will land on the coast of central Vietnam on the morning of the 13th.
Gale forecast: From 14:00 on the 11th to 14:00 on the 12th, most of the East China Sea and the waters near the Diaoyu Islands, the Taiwan Strait, the Bashi Strait, the east of Taiwan, the coast of Zhejiang, the coast of central and northern Fujian, and the island of Taiwan will be affected by the “Sandu” There will be 6-7 strong winds along the coast. Among them, the Bashi Strait, the east of Taiwan Island, the southwestern part of the East China Sea, and the eastern coast of Taiwan will have winds of 8-11, and some sea areas will have winds of 12-14 and gusts of 15-16. The typhoon center has 15-16 winds and 17 gusts in the sea area or area where the typhoon center passes. Affected by “Conson”, there will be 6- There are 7 strong winds, among which some areas in the western part of the South China Sea have winds of 8-10 and gusts of 11-12.
Precipitation forecast: From 14:00 on the 11th to 14:00 on the 12th, there will be heavy rain or heavy rain in parts of eastern Zhejiang, Shanghai, Taiwan Island, Hainan Island and other places, and local heavy rain (100-140 mm).
Defense guide:
1. The government and relevant departments should do a good job in typhoon prevention and emergency response in accordance with their duties.
2. Water operations in relevant waters and passing ships should return to the port for shelter from the wind, strengthen port facilities, and prevent ships from anchoring, grounding and collision.
3. Stop indoor and outdoor large-scale gatherings and high-altitude outdoor dangerous operations.
4. Reinforce or dismantle structures that are easily blown by the wind. People should not go out at will. They should stay in a wind-proof and safe place as much as possible to ensure that the elderly and children stay in the safest place in the house, and those who are in danger are transferred in time. When the typhoon center passes by, the wind will decrease or stay still for a period of time. Remember that the strong wind will blow suddenly, and you should continue to stay in a safe place to avoid the wind, and move people in dangerous houses in time.
5. Relevant areas should pay attention to preventing mountain torrents and geological disasters that may be caused by heavy rainfall.
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