What are the climatic characteristics of solar terms in beginning of spring?

The biggest feature of beginning of spring's solar term climate is that it is warm and cold at first sight: First, the temperature difference between day and night is large; Second, cold air activities are frequent. In spring, due to the invasion of cold air, the temperature is obviously reduced, and it is often sunny during the day, which makes people feel that warm wind makes tourists intoxicated, but it is chilly in the morning and evening, which makes people feel "chilly in spring".

Beginning of spring has arrived, but the temperature will not rise so fast. In addition, as the old saying goes, it is not recommended that people take off their winter clothes too early and put on bright spring clothes, especially for the elderly and children, and pay more attention to keeping warm.

Meteorological significance, the average daily temperature is higher than 5℃ for five consecutive days, and winter ends. Twenty-four solar terms think that winter ends around "fright". In the Gregorian calendar, winter ends around the beginning of March.

Meteorological change

In early spring, westerly jet, the southern branch of East Asia, began to weaken, while the strength and location of westerly jet, the northern branch of East Asia, remained basically unchanged. The Mongolian cold high and Aleutian low are relatively strong, but in the interval affected by strong cold air, the frequency of southerly wind increases, accompanied by obvious warming process.

Since the solar terms in beginning of spring, the time series has entered the spring. In nature and people's minds, "spring" means warm weather and the revival of everything. Spring has begun. In nature, the most striking feature is that everything is beginning to show signs of recovery.

What are the climatic characteristics of beginning of spring referred to by Shaanxi Meteorological Bureau?

Refer to the above? Baidu Encyclopedia-beginning of spring