10 There may be a cold wave at the beginning. Will it really be cold this winter?

The winter in the north may be really cold this year. As several meteorologists have said recently, everyone should be prepared to keep out the cold. Not only Baoding area, but also North China, East China, Northwest China and Northeast China may be affected.

We have a local saying that "August is cold and dew is hot, September is cold and dew is frozen." This means that if the solar terms of the cold dew fall in August of the lunar calendar, this year's winter will be very "hot", that is, warm winter; But if the cold dew falls in September of the lunar calendar, it will be very cold this winter. This year's cold dew is 65438+ 10 8, which is the day after tomorrow, the third day of the ninth lunar month. That's the rhythm of freezing cows in September, which indicates that it will be very cold this winter.

Of course, proverbs are not necessarily accurate and scientific, but they are also a regular summary of traditional culture, and there should be some truth. As we often say, "On August 15th, Yun Zheyue, it snows and lights on the 15th day of the first month", this rule is quite accurate.

There are indeed many rainy days in the north this year. According to statistics, the rainfall in the north this year is more than twice that in normal years. The average annual rainfall here is generally around 500 mm, which has reached an astonishing 1.300mm this year, and it continues to rain. Some meteorologists predict that the snowy weather that has not been seen for many years may also appear this winter.

In summer and autumn this year, most parts of the country have sufficient rainfall, and even floods have occurred in many places. There is too much rain. According to the news released by China Meteorological Bureau at the press conference in 10. According to the latest monitoring, the SST in the equatorial Middle East Pacific is neutral and cold, and it is expected that the cold water will be further strengthened in the next three months (10- 12) and enter the "La Nina" state.

What is La Nina? La Nina phenomenon refers to the abnormal cooling of seawater in the central and eastern Pacific Ocean. Corresponding to this is the "El Nino" phenomenon. La Nina usually appears alternately with El Nino, but the frequency is generally lower than El Nino. La Nina usually brings hurricanes, heavy rains and severe cold.

La Nina's influence on China is mainly manifested in Leng Xia fever in winter. It will have a certain forcing effect on the atmospheric circulation in the middle and high latitudes, leading to more frequent and intense cold air affecting China.

So it may be cold this winter.