Recently, the temperature in many parts of the country is generally higher than normal. Starting tomorrow (November 17), as the cold air strikes, the temperature in the middle and lower reaches of the Yangtze River and most areas north of it will drop by 4-6℃. The local temperature can reach above 10℃.

At the same time, large-scale rain and snow weather in the central and eastern regions will start, and the haze weather in North China, Huanghuai and other places will gradually weaken or dissipate.

From tomorrow on, the northern part of the country will drop by more than 10℃, and the situation will be reversed.

　　Recently, the influence of cold air in my country is not strong, and the temperature in many places is generally higher than normal.

In many parts of the northwest, the highest temperature today is above 15℃, and the local temperature can even reach 20℃.

The temperature in the middle and lower reaches of the Yangtze River will also reach recent highs around the 18th. The highest temperature in some places in the south of the Yangtze River will reach around 30℃. This will be a rare warmth in mid-November. Among the big cities, the lowest temperature in Nanjing and Hangzhou may also hit a record. The local minimum temperature record in mid-November.

　　At the same time, a stream of cold air has also set off to affect our country, and the temperature in the central and eastern regions will gradually drop tomorrow.

The Central Meteorological Observatory predicts that from the 17th to the 19th, the temperature in the middle and lower reaches of the Yangtze River and most areas north of it will drop by 4-6℃, and the temperature will drop by 8-10℃ in North China and the central and southern parts of Northeast China, and the local temperature can reach 10℃ or more; The above areas are accompanied by winds of magnitude 4 to 6, and gusts of magnitude 7 to 8, and gusts of magnitude 9 and above in the Northeast, the Yellow Sea and the Bohai Sea.

　　Especially in the warmer places such as the northeast and northwest, the difference between cold and warm before and after the influence of cold air is large. By the second half of this week, the maximum temperature in the northeast will drop to around 0℃, and in North China, eastern Northwest China, Huanghuai and other places The highest temperature is around 10°C, and many places will have the coldest day since the second half of this year.

　　The high temperature in Jiangnan, Jianghuai and other places will also be reversed by cold air from the 19th to the 20th. Due to the obvious warmer in the early period, the single-day drop in many places may reach about 10°C, giving a feeling of changing seasons.

　　In addition, before the arrival of cold air, the fog and haze weather developed in North China, Huanghuai and other places. During the day from the 16th to the 17th, light to moderate haze occurred in most of North China, the central and western parts of Huanghuai and the Fenwei Plain, and southwestern Hebei. There is heavy haze along the mountain.

From the morning to the morning of the 16th, there was heavy fog in parts of southeastern Hebei, northern and southeastern Shandong, southeastern Henan, north-central Jiangsu, northern Zhejiang, and Liaodong Peninsula. There was a strong dense fog with visibility less than 200 meters locally. .

From the afternoon of the 17th, due to the combined effects of precipitation and cold air, the haze weather in the above-mentioned areas gradually weakened and dissipated from west to east.

Large-scale precipitation in the central and eastern regions

　　In the near future, precipitation in most areas of my country is scarce, and precipitation will develop today. Some areas in Xinjiang along the Tianshan Mountains, western and northern Qinghai-Tibet Plateau, northeastern Inner Mongolia, and central and western Heilongjiang have light to moderate snow or sleet. , Local heavy snow in northeastern Inner Mongolia and southwestern Tibet.

There were light to moderate rains in parts of eastern Northwest China, western North China, western Huanghuai, western Jianghuai, Jianghan, eastern and southern Southwest China, central and western Jiangnan, western South China, and Taiwan Island. Among them, the northeastern coast of Taiwan Island Local heavy rain.

　　From the 17th to the 19th, while the temperature in the central and eastern regions dropped, precipitation was also accompanied by the appearance of precipitation; some areas in southern Shaanxi, northern Sichuan Basin, Jianghan, Huanghuai, Jianghuai, northern Jiangnan, southern North China, and central and southern Northeast China Heavy rain or heavy rain, local heavy rain in southeastern Liaoning; moderate to heavy snow or sleet in central and eastern Inner Mongolia and northern Northeast China, and local heavy snow or heavy snow.

　　Meteorological experts reminded that the fog and haze weather continued in North China, Huanghuai and other places recently, the public should take relevant protective measures when going out to reduce the length of outdoor sports, and at the same time be wary of the adverse effects of reduced visibility on traffic.

The precipitation and cooling process will hit on the 17th, and the public should pay attention to the nowcast and add clothing in time.