According to the ** Meteorological Observatory Medium-Range Forecast,From the 17th to the 21st, there will be a cold wave from west to east and from north to south to affect most parts of China, the temperature has dropped by 6-10, 12-16 in some areas, and more than 18 locally. The central and eastern regions will continue to cool down significantly on the 18th-20th, and due to the long time limit of the forecast, we must continue to pay attention to the nowcast.
Today (12th), except for northern Xinjiang and other places, most other areas are still dominated by sunny to cloudy weather. From tomorrow night to the 15th, a new round of cold air is coming, ** The Meteorological Observatory predicts that tomorrow night to the 15th, under the influence of strong cold air, the middle and lower reaches of the Yangtze River and its north areas will have 4 to 6 northerly winds from north to south, gusts of 7 to 9, the temperature will generally drop by 4 to 8, and the temperature will drop by 10 to 12 in some areas, and more than 14 in the northeast region.
In addition, precipitation will increase. Today, there is light to moderate snow in parts of northeast Inner Mongolia, northwest Heilongjiang, and northern Xinjiang, among which, heavy to heavy snowfall (20 to 24 mm) is in parts of Xinjiang's Ili River Valley and other places. There was light rain in parts of western Anhui, eastern Hubei, northwest Hunan, southeastern Chongqing, northeastern Guizhou, and western Yunnan.
Tomorrow (13th), there will be light to moderate snow in parts of central and eastern Inner Mongolia, northwest Heilongjiang, Xinjiang Ili River Valley and Southern Xinjiang Basin, ** east and south. There was light to moderate rain in parts of western Jianghuai, eastern Jianghan, northern and western Jiangnan, and western South China.
The day after tomorrow (14th), there will be light snow or sleet in parts of eastern Jilin, northern Xinjiang, northern and eastern **, northern and southern Qinghai, Hexi in Gansu, and northern Sichuan Plateau, with moderate to heavy snow (5 to 6 mm) locally. There was light to moderate rain in parts of the southeastern part of Northwest China, eastern and western Huanghuai, Jianghuai, Jianghan, northern and western Jiangnan, and eastern Southwest China, among which, heavy rain (25 to 40 mm) occurred in parts of central and northern Hunan.
Will it be cold after cooling down?
Due to the obvious warming in the early stage, this wave of cold air is mainly to "correct" the significantly higher temperature in the previous period. Temperatures in the north and south will briefly drop back to around normal for the same time of year.
After the cold air, the temperature will be rapid** in various places, and the temperature in the eastern part of Northwest China, Huanghuai and the middle and lower reaches of the Yangtze River will rise to a new level, continuing to hit a new high this year. On the 18th, the maximum temperature in the middle and lower reaches of the Yangtze River will reach about 25, and Jiangsu and Anhui may be warmer than usual in the same period.
Will there be rain or snow on the return trip from the holiday?
Precipitation from stronger cold air will continue until the 15thDuring the peak period of the return trip on the 16th and 17th, the precipitation in most parts of the central and eastern regions will subside, which will be conducive to the return trip.
However, after the end of the holiday, with the cold wave southward, the rain and snow in the central and eastern parts will develop and increase, on the 19th-20th, there will be rain turning to sleet or snow in Huanghuai, Jianghuai, and Jianghan, and there will be light to moderate rain in the south of the middle and lower reaches of the Yangtze River, and local heavy rain; There is freezing rain in Huanghuai, Jianghuai, Hunan, and Guizhou. You should pay attention to nowcasting to prevent the adverse effects of rain and snow on transportation.
*: The Paper.