Is this year a warm winter? 2020

This year should be considered a warm winter! The concept of warm winter has a strict scientific definition. Whether it is a warm winter must depend on whether the national average temperature throughout the winter is higher than the normal value. Therefore, the temperature is higher during a certain period in winter ( When the temperature is relatively warm), it is called a warm winter, and when the temperature is low (relatively cold) during another period, it is also called a cold winter. Then there is a joke that winter is both a warm winter and a cold winter. In the past 2006, in China It is a real warm winter throughout the country. The temperature is generally high and there is very little snowfall. It is a warm winter. Because this year, the average temperatures in all seasons across the country are seriously higher than normal. From a global perspective, the temperature has climbed to The highest point in the millennium. Meteorological experts analyze that the unusually strong subtropical high pressure and South Asian high pressure are the main reasons for the generally high temperatures across the country this summer. Since new El Ni?o weather events have occurred in the central and eastern equatorial Pacific, it is expected that this winter and next spring, Our country may also experience abnormal climate phenomena such as warm winters and severe floods.

With the arrival of the first snowfall in Hohhot, it brings a surprise to Qingcheng, which feels a bit like winter. It seems cold. The air came like this, but it was clearly the beginning of winter, and the first snow was still mixed with rain. It makes people wonder, is this winter going to be a mild one? Will it be cold this winter?

With questions, the reporter interviewed meteorological experts from the Inner Mongolia Meteorological Bureau. First of all, we need to determine what conditions can be called a warm winter? The most direct perception of the public is that this winter is generally not that cold, and sometimes it is even warmer for a continuous period of time. Whether it should be cold or not, people will say that this may be a warm winter! In the past, we did not have an exact definition and unified standard for what a warm winter is. To this end, the National Climate Center formulated the "Warm Winter Level" meteorological national standard, which was officially promulgated and implemented in 2008. Based on this standard, we can judge whether a single station in Inner Mongolia and the whole region have a warm winter and the extent of the warm winter. When the average winter temperature anomaly of a site is greater than or equal to 0.43 times its standard deviation, it is defined as a warm winter for a single site; when the number of warm winter sites in the entire region exceeds 50% of the total number of sites, it is defined as a warm winter for the entire region.

So whether this winter will be cold or not, meteorological experts have given authoritative answers. Ye Dianxiu, chief of the Climate Service Office of the National Climate Center, said, "It is expected that in the winter of 2019 to 2020, the atmospheric circulation at mid-to-high latitudes in Europe and Asia will be dominated by zonal circulation. The East Asian winter monsoon will be weaker than the same period in normal years, and the East Asian trough will be weaker and eastward." This means that the cold air affecting our country is weak, and the probability of a warm winter in our country this winter is very high. Judging from the prediction results, the winter temperature in Inner Mongolia this year is close to normal or higher than normal, but it does not rule out fluctuations in temperature during the period.

Although the probability of a mild winter is very high, meteorological experts also remind everyone that November is still the season where cold waves occur frequently, and it is necessary to strengthen defenses against the possible impact of strong cooling and windy weather on production and life, and pay attention to precautions Local low temperature rain, snow and frost hazards.

According to the Hohhot Meteorological Observatory, strong winds and cooling weather will occur in our city from the 12th to the 13th. Affected by the eastward movement of cold air, strong winds and cooling weather will occur in most of the city from the 12th to the 13th. Strong wind: It is expected that from the evening of the 12th to the 13th, the wind will gradually increase in most areas of the city, with level 4 and 5 westerly winds turning to northwest winds, and short-term winds reaching level 6 and 7, accompanied by blowing sand in the north. Cooling: With the intrusion of cold air, the temperature gradually dropped during the day on the 12th, and the cooling continued until the 13th, with a cooling range of about 8°C. On the morning of the 13th, the lowest temperature dropped to around -12°C in Wuchuan in the north, and to 9 to 7°C in the central and southern parts; on the 13th, the highest daytime temperature dropped to around -6°C in Wuchuan in the north, and to -3 to -1°C in the central and southern parts.

Therefore, protection from cold and warmth cannot be ignored.