China News Service, September 17th. According to the website of the Central Meteorological Observatory, the 11th typhoon "Hongxia" of this year intensified from tropical storm to severe tropical storm this morning (17th).
Affected by this, from 17 to 19, there were moderate to heavy rains in south central and southern China, and local torrential rains or heavy rains in the coastal areas of southern China and Hainan Island.
On the 16th, heavy rain fell in southern Guizhou, central and northern Hunan, eastern Hubei, central and northern Jiangxi, southern Anhui, western and northern Zhejiang, eastern Shanghai, and Honghe Prefecture in southern Yunnan, Qiannan Prefecture and Qianxinan Prefecture in Guizhou, Huaihua and Shaoyang in Hunan , Xianning and Huanggang in Hubei, Shangrao in Jiangxi and Honghe Prefecture in Yunnan, etc. Local heavy rains (100-150 mm), Guizhou Anlong local area reached 245 mm (maximum hourly rainfall 106 mm); eastern Inner Mongolia, southwest Heilongjiang, eastern Jilin Moderate to heavy rain, local heavy rains (50-58 mm) in Hulunbuir and Chifeng, Inner Mongolia.
Typhoon "Hongxia" affects South China Sea and coastal areas of South China
This year's No. 11 typhoon "Hongxia" today (17th) intensified from tropical storm level to severe tropical storm level. At 5 o'clock in the morning, its center is located in the middle of the South China Sea, about 355 kilometers southeast of Yongxing Island, Sansha City, Hainan Province. Above, it is 14.1 degrees north latitude and 114.1 degrees east longitude. The maximum wind force near the center is 10 levels (25 m/s), the lowest pressure at the center is 985 hPa, and the radius of the seventh level wind circle is 120 to 150 kilometers.
It is expected that "Hongxia" will move northwestward at a speed of about 20 kilometers per hour, passing through the seas south of the Zhongsha Islands and the Paracel Islands during the day and at night, and heading towards the central coast of Vietnam via the sea south of Hainan Island on the 18th. , The intensity gradually strengthens, the maximum intensity can reach typhoon level (12-13, 33-38m/s), and it will land on the coast of central Vietnam around noon on the 18th, and then the intensity will gradually weaken.
The Central Meteorological Observatory continued to issue a blue typhoon warning at 06:00 on September 17.
It is estimated that from 17 to 18, there will be strong winds of magnitude 6 to 8 and gusts of magnitude 9 to 10 in most of the South China Sea, the Beibu Gulf, and the coast of South China. Among them, the mid-western South China Sea, the Zhongsha Islands and the Xisha Islands and nearby seas, and the southern coast of Hainan The wind force ranges from level 9 to level 11 and gusts from level 12 to level 13, and the nearby sea area passing by the center of "Hongxia" has level 11 to level 12, with gusts up to level 13 to 14.
Affected by this, from 17 to 19, there were moderate to heavy rains in south central and southern China, and local torrential rains or heavy rains in the coastal areas of southern China and Hainan Island.
This year's No. 11 typhoon "Hongxia" path probability forecast map in the next 60 hours
There is still heavy rainfall in northern Jiangnan and other places
On the 17th, there were heavy rains and local heavy rains (50-65 mm) in parts of northern Jiangnan, southern Guizhou and other places, accompanied by strong convective weather such as short-term heavy rainfall.
Due to the reduction in the range and intensity of heavy rainfall, the Central Meteorological Observatory lifted the blue rainstorm warning at 06:00 on September 17.
In addition, from the 17th to the 19th, affected by the cold vortex, there were light rains in eastern Inner Mongolia and the central and northern parts of the northeast, and local moderate to heavy rains; from the 17th to 18th, there were winds of magnitude 4 to 5 in the northern and northeastern regions of North China, with gusts up to 7-8. level.
Specific forecast for the next three days
From 08:00 on September 17 to 08:00 on September 18, parts of northeastern Inner Mongolia, northwest and central Heilongjiang, Jianghuai, northern and central Jiangnan, eastern and southern Southwest, northwestern Guangxi, southern coastal areas of Guangxi, and parts of Hainan Island There will be moderate to heavy rain, local heavy rain (50-65 mm).
There are 4 to 6 winds in parts of eastern Inner Mongolia, northern North China, and central and southern Northeast China.
Most of the South China Sea, Qiongzhou Strait, and Beibu Gulf will have strong winds of magnitude 6-8 and gusts of magnitude 9-10. Among them, winds of magnitude 9-10 and gusts of 11～ At level 12, the nearby sea area where the "Hongxia" center passes can reach level 11 to level 12 and gusts of level 13 to 14.
National precipitation forecast map (from 08:00 on September 17 to 08:00 on September 18)
From 08:00 on September 18 to 08:00 on September 19, there were moderate to heavy rains in parts of northern and eastern Jiangnan, southwestern Yunnan, and most of southern China. Among them, the southeastern and northwestern parts of Fujian, the southern coastal areas of Guangxi and the northeastern Hainan Island There were heavy rains or heavy rains (100-110 mm) in some areas such as North and Southwest.
There are winds of magnitude 4 to 6 and above in parts of southeastern Inner Mongolia, southeast Heilongjiang, southern coastal areas of South China, and Hainan Island.
There will be strong winds of magnitude 6 to 8 and gusts of magnitude 9 to 10 in the western South China Sea and Beibu Gulf. The winds in the western part of the South China Sea and the southern part of the Beibu Gulf can reach magnitude 9 to 11 and gusts of 12-13. , "Hongxia" center passes the nearby sea area with wind force up to 12 and gusts of 13 to 14.
National precipitation forecast map (from 08:00 on September 18 to 08:00 on September 18)
From 08:00 on September 19 to 08:00 on September 20, there were moderate to heavy rains in parts of northern and eastern Jiangnan and most of southern China. Among them, there were heavy rains in parts of southwestern Guangxi, northwestern Guangxi and southwestern coastal areas (50 ~80 mm).
There are 4 to 5 winds in parts of southeastern and central Inner Mongolia, Shandong Peninsula and other places.
National precipitation forecast map (from 08:00 on September 19 to 08:00 on September 20)
Influence and concern
1. Inner Mongolia, Northeast China, the east of Southwest China, and the south of the Yangtze River with strong rainfall, pay attention to the possible flash floods, geological disasters and adverse effects on the autumn harvest;
2. Cold air affects Inner Mongolia, North China and Northeast China. Pay attention to the adverse effects of strong winds and local sand and dust weather;
3. The development trend of tropical depression in the South China Sea.