The Spring Festival holiday has come to an end, are we all ready to start work, today the warm and humid airflow has a strong counterattack, opening a big warming, and a cold wave has also begun to affect my country, heavy rain + snow has been waiting
Although the sunshine appears and disappears in the afternoon today, the temperature in many places in the province soars directly to 20+, which looks like a warm spring. The temperature in the province will be in the rising stage tomorrow and the day after tomorrow, and the highest temperature in most parts of our province around the 20th will be 26-28, and it will approach 30, experiencing the warmth that is rare in the same period of the year. However, this violent wave of warming will bury a huge cooling space for the first cold wave of the Year of the Dragon. A weather reversal is about to take place, and the next changes will be very ferocious. According to the forecast of the ** Meteorological Observatory, the cold wave weather from the 17th to the 22nd will affect our country. As the cold wave moves east and south, the temperature in many places will be "on a roller coaster", and a wide range of rain and snow will also be online again. 
From the 20th, affected by the cold wave, some areas of our province will experience more than 10 huge cold and warm changes, and will also bring rain, snow and windy weather, the temperature is sluggish, and the wind and rain are even colder, and the public needs to pay attention to adding clothes in time to keep warm. 28℃→2℃！From summer to winter? The temperature in Hangzhou will experience a roller coaster reversal is about to be staged, and there will be two waves of cold air that will affect Hangzhou successively. The first cold air is expected to affect Hangzhou in the later part of the day after tomorrow, and soon after, the second cold air will be replenished from the late 21st. Under the influence of two cold airs, the temperature will undergo a seasonal transition from early summer to midwinter, and the temperature may reach the cold wave standard. It is expected that the maximum temperature in Hangzhou will reach 26-27 tomorrow (the ninth day of the first month) and the day after tomorrow (the tenth day of the first month), close to the record high in February (28. on February 13, 2009).5 degrees), just like early summer. On the 22nd, it will plummet to 6. 
Under the strong warm and humid air currents, the rain will also become frequent. The day after tomorrow (19th), the province has been cloudy and rainy weather, of which the precipitation in the province is particularly obvious on the 21st and 22nd (there are heavy rains in some areas of central and northern Zhejiang). On the 24th and 25th, there may be a phase change of rain and snow in the mountainous area. It is worth noting that from the evening to the night after tomorrow, due to the violent convergence of cold and warm air, Hangzhou not only has rain, but may even trigger thunderstorms. 
**Three warnings from the Meteorological Observatory were issued at the same time
What should I do if I encounter rain and snow on the return trip from the Spring Festival?
**The Meteorological Observatory issued a yellow warning for cold waves, a blue warning for sandstorms and a blue forecast for high winds at the same time todayPoliceIt is expected that from February 17th to 22nd, most parts of China will have a sharp cooling from west to east and from north to south, accompanied by 4-6 windy weather, and sand and dust in some parts of the northwest; From the 18th, there will be widespread rain and snow in the central and eastern regions. 
Photo by Business Daily reporter Fang Weiwen.
Duty Editor: Shi Zhuoni.
Review: **Shi Ying, Wu Wei.