
AI-generated summary
Cold air is an important system that affects my country's weather. Active cold air in autumn often brings cooling and precipitation. The National Day period is the peak time for travel, and weather changes have a direct impact on travel.
China Weather Network News From today (October 2) to 8, the cold air affecting our country is active, and the temperature in many places will reach new lows. The highest temperature in some areas such as Northeast China is less than 15°C, and the highest temperature in North China to Jiangnan is around 20°C. The high temperature in South China will be alleviated. In terms of precipitation, in the next three days, there will be cloudy and rainy weather in the south. The accumulated rainfall in Guizhou, Hunan and other places will be relatively heavy. The precipitation in North China and Northeast China will also increase. It coincides with the National Day travel peak. The public should pay attention to traffic safety when traveling on rainy days.
Cold air continues to affect our country, and the high temperature in the south will ease
Yesterday, cold air affected many places in central and eastern my country. Some areas in Huanghuai, Jianghan, Jiangnan and other places dropped significantly. Guizhou, Hunan, Hubei and other places experienced a temperature drop of 6 to 12°C.
Today, this cold air will continue to affect the area south of the Yangtze River, and the high temperature in the south will basically subside. At the same time, from today to the 5th, a new wave of cold air will affect our country. The northwest region, central and western Inner Mongolia, North China, Huanghuai, Jianghan and other places will have northerly winds of magnitude 4 to 6, gusts of magnitude 7 to 8, and the temperature will drop by 4 to 6°C, with a local drop of up to 8 to 10°C.
Under the influence of successive cold air, the temperature in many places in my country will hit record lows. In cities, the maximum temperature in Changsha may drop below 20℃ today for the first time in the second half of this year; the maximum temperature in Hohhot and Shenyang may drop below 15℃ the day after tomorrow, indicating a distinctly cool autumn; the maximum temperature in Nanjing and Hefei today and tomorrow will only be 18 to 19℃, which means the coolness is getting worse. The public is advised to wear more clothes in time to prevent colds.
Looking to the later period, cold air will still affect our country from the 6th to the 8th. The average temperature in central Inner Mongolia, the southern part of Northeast China, and the south of the Huanghuai River in the next 10 days will be 2 to 4°C lower than the same period in normal years. The minimum temperature in the south will also drop significantly. On the morning of the 7th, the minimum temperature line of 20°C will retreat south to southern China. Fuzhou and Guangzhou may fall below 20°C. For the first time in the second half of the year, the weather will become significantly cooler.
Rainfall spreads widely in the south, with heavy rains in some areas. Precipitation will increase in North and Northeast China.
As the cold air advances, rainfall will increase in North China, Northeast China and other places in the next three days. The rainfall will be mainly light to moderate rain, with heavy rain and local heavy rain in some areas. At the same time, the rainy area is relatively large in the south, and there are heavy rains or heavy rains in some areas in the eastern part of Southwest China, Jiangnan, and South China.
Specifically, the Central Meteorological Observatory predicts that today, central Inner Mongolia, southeastern Tibet, western Yunnan, northern Sichuan Plateau, most of the Sichuan Basin, central and southern Chongqing, western and central Guizhou, central and western Hunan, southeastern Shaanxi, central and southern Henan, and northwestern Anhui There are moderate to heavy rains in parts of eastern Jiangxi, southwestern Zhejiang, most of Fujian, most of Guangdong, eastern Guangxi, and Taiwan Island. Among them, there are heavy rains or heavy rains in parts of southeastern Tibet, western and northern Guizhou, northwest Fujian, southern and eastern Guangdong, and other places.
Tomorrow, there will be moderate to heavy rain in parts of central Inner Mongolia, central and southern Liaoning, southeastern Tibet, eastern Southwest China, Jianghuai, western and central northern Jiangnan, and western South China. Among them, there will be heavy rain or heavy rain in parts of central Inner Mongolia, southern Liaoning, southern Guizhou, northwest Guangxi, northeastern Yunnan, and southern Sichuan.
The day after tomorrow, there will be moderate to heavy rains in parts of eastern Liaoning, eastern Jilin, southeastern Heilongjiang, eastern Zhejiang, northern Fujian, southern Sichuan Plateau, southeastern Sichuan Basin, southeastern Tibet, central and southern Yunnan, southeastern Guizhou, and southern South China. Among them, there will be heavy rains in eastern Jilin.
China Weather Network reminds that there will be more cloudy and rainy weather in the south in the next three days, and the accumulated rainfall in Guizhou, Hunan and other places is relatively large, and it is necessary to prevent the occurrence of secondary disasters; rainfall in the north has increased, and roads are slippery and visibility is reduced on rainy days. The public needs to carry rain gear when going out and pay attention to traffic safety.
AI outlook — possibilities, not facts
Cold air will also affect our country from the 6th to the 8th. The average temperature in central Inner Mongolia, the southern part of Northeast China, and the south of the Huanghuai River in the next 10 days will be 2 to 4°C lower than the same period in normal years.
Likely · Within days
On the morning of the 7th, the minimum temperature line of 20°C will retreat south to southern China, and Fuzhou and Guangzhou may fall below 20°C for the first time in the second half of the year.
Likely · Within days

Meteorological expert Wu Derong pointed out that from today to Sunday, water vapor will increase, and there will be heavy rain in the northern mountainous areas and the northeast; the northeast monsoon will strengthen next Monday and Tuesday, the temperature will drop significantly, and there will be heavy rain on the windward side; the temperature will be very low in the early morning of next Wednesday and Thursday, and the temperature difference between day and night will be large. The intensity of Light Platform No. 26 "Caiyun" continues to increase, but its path is northerly and has no direct impact on Taiwan.

The strengthening of the northeast monsoon affects Taiwan. The Yilan area has a long-lasting and large-scale rainfall with local heavy rain chances. The chance of rainfall increases in the north of Taoyuan and Hualien. It is cloudy to sunny in other areas. There are brief showers in the mountainous areas in the afternoon. The air quality in the northern and central areas and other places is average level. Bamboo seedlings, Yilan, Huadong and Matsu are rated as good.

The Central Meteorological Administration predicts that today will be sunny to cloudy in various places, with scattered brief showers in the south and mountainous areas in the afternoon. The northeast monsoon will strengthen tomorrow, with showers and localized heavy rains in the northeast, and localized short-lived showers in greater Taipei. The northeast monsoon weakened on Saturday but there was still moisture on the windward side. The weather was relatively stable on Sunday, with only localized brief showers on the windward side and in the southern mountainous areas in the afternoon. Another wave of northeast monsoon will strengthen next Monday. This year's No. 26 typhoon "Caiyun" has formed at 2 a.m. today, with a central pressure of 998 hPa. It will move towards Japan and will have no impact on Taiwan's weather.

During the National Day holiday, most areas across the country have good weather conditions and are suitable for travel. It will be mainly sunny to cloudy in the north, and there will be precipitation in North and Northeast China; it will rain first and then become clear in the south, and the rain will be stronger in the southwest. The meteorological department reminded that urban traffic pressure in Guangdong, Zhejiang, Jiangsu, Sichuan, Hunan and other places will be severe. There will be heavy to heavy rains in Fujian, Hunan, Chongqing, Guizhou and other places, and some highways will be slippery and prone to water accumulation. The two waves of cold air relay influence, the coolness in the north becomes more intense, and the heat in the south subsides. In the second half of the Yangtze River, the temperature drops to about 15℃ in the morning and evening.

Wu Derong, an adjunct associate professor at the Department of Atmospheric Science at Central University, pointed out that it will turn to rain in the northern and eastern half of the country from tomorrow to next Sunday, and it will become cooler and the temperature will drop significantly in northern Taiwan next Monday and Tuesday; Light Typhoon Colorful Cloud No. 26 formed over the sea northeast of Guam early this morning and is expected to develop into a large typhoon and head toward the sea southeast of Japan and will not invade Taiwan.

Jia Xingxing, director of Taiwan Integrated Disaster Prevention Engineering Technology Consulting Company, said that starting from tomorrow, there will be a two-stage cooling, especially in the second wave of low temperatures in the open areas in the north, which will drop to around 18 degrees. The northeast monsoon has been reported, and there will be rainfall on the north coast, northeastern corner, and Yilan. Typhoon Caiyun has formed in the early hours of this morning, and a cross-border hurricane NOLO will also move into the central Pacific.