China News Service, November 6th. According to the website of the Central Meteorological Observatory, typhoon "Aishani" is expected to move northwestward at a speed of about 15 kilometers per hour, and will move through the southern coast of Taiwan Island into the northeastern part of the South China Sea during the day. On the sea surface, the strength is slightly strengthened.

It is expected that from November 6th to 7th, affected by the cold air, the middle and lower reaches of the Yangtze River and most areas north of China will experience a cooling of 4-6℃. Among them, the cooling of southeastern Inner Mongolia, the central and southern parts of Northeast China and other places can reach 8℃ or more .

Rain and snow in Heilongjiang, Inner Mongolia, Qinghai and other places on the Western Sichuan Plateau

　　Yesterday, most of the country had sparse rain and snow, with 1 to 6 mm of snow or sleet in northeastern Inner Mongolia, northwest Heilongjiang, southeastern Qinghai, and northern Sichuan plateau.

Typhoon "Aishani" is about to move into the northeastern part of the South China Sea

　　This year’s No. 19 typhoon "Swan" has weakened from a tropical storm level to a tropical depression yesterday (5th) night. Today (6th) at 5 o'clock in the morning, its center is located on the sea about 200 kilometers southeast of Quang Khan, Vietnam, which is north latitude 13.9 degrees, 110.1 degrees east longitude, the maximum wind force near the center is 7 levels (16 m/s), and the lowest air pressure in the center is 1000 hPa.

　　It is expected that the "swan" will move westward at a speed of about 20 kilometers per hour, with little change in intensity, and will land on the coast of Binh Dinh and Phu An in Vietnam this morning.

　　The center of this year’s No. 20 typhoon "Aishani" is today (6th) at 5 o'clock in the morning on the northwest Pacific Ocean about 200 kilometers southeast of Eluanbi, Taiwan Province, at 20.8 degrees north latitude and 122.4 degrees east longitude. The maximum wind force nearby is 10 levels (28 m/s), the lowest central pressure is 982 hPa, the radius of the seventh wind circle is 240-330 kilometers, and the radius of the tenth wind circle is 50-60 kilometers.

　　It is expected that "Aishani" will move to the northwest at a speed of about 15 kilometers per hour, and will move through the southern coast of Taiwan Island into the northeastern part of the South China Sea during the day, with a slight increase in strength.

　　Affected by the "Swan" and "Aishani", from 08:00 on the 6th to 08:00 on the 7th, there were 7 to 8 strong winds and 9 gusts in the central and western South China Sea and the southern part of the Beibu Gulf and the Paracel Islands; Taiwan Strait , East of Taiwan, Bashi Strait, northeastern South China Sea and coastal Taiwan Island will have 7-8 strong winds, some of the seas and regions have 9-10 winds, and the nearby seas passing by the "Aishani" center can reach 11 ～12 levels, gusts of 13-14 levels.

There are heavy rains in the southern part of Taiwan Island, local heavy rains (100 ~ 180 mm).

Cold air continues to affect northern China

　　It is expected that from November 6th to 7th, affected by the cold air, the middle and lower reaches of the Yangtze River and most areas north of China will experience a temperature drop of 4-6℃. Among them, the temperature can reach 8℃ in southeastern Inner Mongolia, the central and southern parts of Northeast China and other places. Above; most of the north have northerly winds of magnitude 4 to 6 and gusts of magnitude 7 to 8; there are local sand and dust in western Inner Mongolia, western Gansu and other places; the lowest temperature of the process will be located on the line of northern North China and northern Shaanxi.

The central and eastern Qinghai-Tibet Plateau, the northeastern part of Inner Mongolia, and the northern part of the northeastern region have successively light to moderate snow or sleet, and localized heavy snow.

Specific forecast for the next three days

　　From 08:00 on November 6 to 08:00 on the 7th, there was light snow or sleet in parts of northeastern Inner Mongolia, northern Heilongjiang, southern Qinghai, northern Tibet, northern Sichuan plateau and other places. There was moderate snow or heavy snow (5～ 8 mm).

There was light to moderate rain in parts of the central and southern parts of Northeast China, most of the southwestern region, western Guangxi, northeastern Fujian, southern Hainan Island, Taiwan Island and other places. Among them, there were heavy to heavy rains in southern Taiwan Island and heavy local heavy rains (100～ 180 mm).

There are 4-6 winds in parts of Inner Mongolia, the central and southern parts of Northeast China, western Huanghuai, Taiwan Island and other places (see Figure 1).

The Taiwan Strait, the east of Taiwan, the Bashi Strait, and the northeastern part of the South China Sea have winds of force 7-8 and gusts of force 9-10 or higher.

Figure 1 National Precipitation Forecast Map (from 08:00 on November 6th to 08:00 on November 7th) Image source: Central Meteorological Observatory website

　　From 08:00 on November 7 to 08:00 on the 8th, some areas in northeastern Inner Mongolia, northern Northeast China, southern Qinghai, eastern Tibet, northern Sichuan plateau, southern Gansu, etc. had light to moderate snow or sleet, and heavy snow on the ground (5-9 mm).

There were light to moderate rains in parts of northeastern Fujian, southeastern Zhejiang, southwest Sichuan, central and eastern Yunnan, Taiwan Island and other places. Among them, local heavy rain (25-40 mm) in northern Taiwan Island.

There are 4 to 6 winds in parts of central and eastern Inner Mongolia, northern Hebei, western Northeast China, and northern Tibet (see Figure 2).

The Taiwan Strait and the northeastern part of the South China Sea have winds of magnitude 7 to 8 and gusts of 9 to 10 or more, and the Bohai Sea and the northern and central parts of the Yellow Sea have winds of magnitude 6 to 7 and 8 gusts.

Figure 2 National precipitation forecast map (08:08-8:08, November 7) Image source: Central Meteorological Observatory website

　　From 08:00 on November 8th to 08:00 on the 9th, there were light to moderate snow or sleet in parts of southern Heilongjiang, northern Jilin, southern Gansu, and eastern Sichuan plateau. Among them, the local blizzard in the southeast of Heilongjiang (10-12 Mm).

Light to moderate rain occurred in parts of the southeastern part of the northwestern region, the eastern and southern parts of the southwestern region, the eastern part of Hainan Island, and the central and eastern part of Taiwan Island. Among them, the northern part of Taiwan Island had local heavy rain (25-40 mm).

In some areas of southeastern Inner Mongolia, east of Jilin and other places, there are 4 to 5 winds (see Figure 3).

In the southern part of the East China Sea, the Taiwan Strait, the east of Taiwan, the Bashi Strait, and the northern part of the South China Sea, there are winds of force 7-8 and gusts of force 9-10. Most of the East China Sea, the central and southern parts of the South China Sea, and the Beibu Gulf have winds of force 6-7 and gusts of 8. .

Figure 3 National Precipitation Forecast Map (08:9-9:08, November 8) Image source: Central Meteorological Observatory website