Traditional Culture Encyclopedia - Weather forecast - When is the date of plum blossom in 2022?
When is the date of plum blossom in 2022?
Plum entry: if the average temperature exceeds 22℃ for 5 consecutive days and it rains for 4 consecutive days, it will be regarded as plum entry; Plum blossom: On the contrary, if the average temperature exceeds 30℃ for five consecutive days and it doesn't rain, it means plum blossom. Therefore, the rainy season also depends on the weather, and there is no specific time setting.
What does it mean to be a plum blossom? 1. Enter the plum blossom period. Different climate seasons and plum blossom periods vary from place to place.
2, entering the plum is also called entering the mold into the plum. Refers to the day when the rainy season begins.
Meteorological Meiyu refers to a rainy weather that transits from early summer to midsummer. Enter the meiyu period. Different climate seasons and plum blossom periods vary from place to place. We can't rely on the plum blossoms on the calendar to guide production and life, but to listen to the plum rain forecast released by the meteorological observatory.
In Jiangnan area, the mature period of plums in late spring and early summer is called Huangmei season. During this period, it was rainy in the middle and lower reaches of the Yangtze River in China, and the rain in this period was called Huang Meiyu. Because of the continuous rain and humid air, clothes are easy to get moldy, and Huang Meiyu is also known as mildew rain. The start date of Huangmeitian is called entering Mei.
The standard of plum blossom is that it doesn't rain for five consecutive days, and the average temperature (minimum temperature plus maximum temperature divided by 2) exceeds 30 degrees, which is plum blossom.
In fact, plum blossom has three criteria: astronomy, climate and weather:
Astronomical standard, that is, the method of combining solar terms and branches in China's ancient calendar, is a traditional calculation method in China, and the plum blossom time published in some modern desk calendars and calendars is calculated according to this standard.
Climate standard is to determine the approximate time of plum blossom in a certain area according to the average value of plum blossom for many years, which has certain reference value for people's life and production.
The weather standard has specific and detailed indicators, and local meteorological departments issue plum time according to these indicators. Therefore, the plum blossom time indicated on the calendar and desk calendar can only be used as a reference.
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