Rain is heating up!Xiaoman solar term, many places in North China welcome the first high temperature and rainwater rankings to see where the rain is the most-News-Science Network


Rain is heating up!Xiaoman solar term, many places in North China welcome the first high temperature and rain list to see where the rain is the most


China Weather Network News After the beginning of summer, Xiaoman arrived gracefully, and the wind blowing by his ears began to become hot. Today (May 21), my country enters the Xiaoman solar term, which is the second solar term in summer and the fastest heating rate among summer solar terms. At this time, the northern part of our country changed from warm to hot, and the rain in the south gradually increased. China Weather Network launched the first high-temperature day inventory and city precipitation ranking list of Xiaoman solar term to see which cities are full of summer.

Small Man, Big Man, River Full and Rainy Ranking

The so-called “Xiaoman” is so small that it is full, the sun is warm but not intense, and the river is full but not overflowing. Xiaoman has three waiting times: “First, the bitter vegetables will show up, second, the grass will die, and third, the wheat will come to an autumn.” The wheat is beginning to ripen.

For the south, the Xiaoman solar term is often the time when rivers and lakes are full. “Full” refers to the abundance of rain. During the Xiaoman season, the rainfall is large, and the rivers are so small that they are full. During the perennial Xiaoman period, with the outbreak of the South China Sea summer monsoon, my country has entered the main flood season in an all-round way. South China is in the peak of the pre-flood season, and the process of heavy precipitation is often seamlessly connected; while in the north, there is little or no rain at this time.

It can be seen from the annual precipitation rankings of provincial capital cities in the country during the annual Xiaoman solar term that the top 10 cities are all southern cities. Guangzhou has the most rainfall, with an average rainfall of 164.6 mm, ranking first; They are 121.1 mm and 106.7 mm respectively, and the rain is also fierce.

China Weather Network meteorological analyst Wang Weiyue analyzed that at this time, the warm and humid air flow in the south is active, and it is easy to intersect with the cold air from the north in Guangdong, Guangxi, and Fujian in southern China, causing continuous and large-scale heavy rainfall, including heavy rains and even heavy rains. . With the Dragon Boat Festival approaching, Guangdong has also entered the annual “Dragon Boat Water” period (meteorologically refers to the Gregorian calendar from May 21 to June 20). When the dragon boat water comes, the water level of the river rises rapidly, which provides good venue conditions for dragon boat racing.

Xiaoman solar term, the north heats up rapidly and many places usher in the first high temperature day

For the north, Xiaoman often has the longest sunshine time among the 24 solar terms, “give a little sunshine and it will be bright”. It is easier for the sun to heat the dry air in the north than the humid air in the south, so the temperature in some areas in the north can easily rise above the south during the Xiaoman season.

From the perspective of the whole year (1991-2020), after entering the Xiaoman solar term, the north has started the dry and hot season and entered the “exposure mode”, and the temperature has risen rapidly. The North China Plain is the “leading” area on the heat wave ranking.Among the cities, Tianjin, Zhengzhou, Jinan, and Shijiazhuang all ushered in the first high temperature day during the Xiaoman solar term (May 21-June 5), while Tianjin and Harbin have also experiencedextrememaximum temperature.

According to 1951-2021 provincial capital citiesextremeHighest temperature statistics, May 29, 2014, Tianjin (Xiqing Station)extremeThe highest temperature reached 40.5℃; on June 4, 2001, HarbinextremeThe highest temperature reached 39.2°C, both of which occurred during the Xiaoman solar term.

In late spring and early summer, hot and dry weather tends to prevail in the north. In 2014, the hottest day in Beijing was during the Xiaoman period. On May 29, the highest temperature reached 41.1 °C, and the surface temperature was close to 70 °C, which was full of heat.

During the Xiaoman season, there are many benefits to eating “bitter” when you are busy with farming

“Xiaoman, things are so small and full.” The Xiaoman season is accompanied by the arrival of rain and high temperature, and agricultural activities are about to enter a busy climax. Xiaoman is the most down-to-earth solar term. At this time, the wheat in the north has been filled and full, but not yet mature; the rice fields in the south of the Yangtze River are also looking forward to the irrigation of rain, waiting for a bumper harvest.

Before and after Xiaoman, strong convective weather occurred frequently in Northeast China and eastern Inner Mongolia, which was prone to strong winds, hail, and heavy precipitation. Wang Weiyue reminded that during this period, special attention should be paid to preventing the adverse effects of strong convective weather on agricultural production.

In addition, during the Xiaoman solar term, the territory of summer expands rapidly, and many places are hot and hot, which is a prone period for wet skin diseases. The diet should be based on light vegetarian food. There is a folk custom of eating bitter herbs. Bitter herbs are bitter and astringent, astringent and sweet, fresh and refreshing, contain various vitamins needed by the human body, and have the functions of clearing heat, cooling blood and detoxification.

Small full will be full, small full not full. Xiaoman, more or less “just right”, is exactly the best state. The wheat is already cooked, the sky is not too hot, let’s enjoy Xiaoman together.

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