Is the 2021 summer a hot day? What are the weather characteristics?
The start of the 2021 summer holiday The date is from July 21st to August 19th in the Gregorian calendar, and the time of the Great Heat is July 22nd, so the Great Heat is a futian day, and the weather is characterized by high temperature and heat, increased thunderstorms, frequent typhoons, and vigorous crops.
Introduction to Futian
"Fu" means that the yin is forced to hide in the ground by the yang.There are three Futians every year, and the dog days are the hottest time of the year.Starting from the summer solstice, according to the arrangement of the stem and branch dates, the third geng day is the first fu.The fourth Geng day is Zhongfu, the first Geng day from the beginning of autumn is the first day of Mofu, and the last ten days.The character "Geng" of Geng Day is the seventh character in the ten-day stem of "A, B, C, Ding, Wu, Ji, Geng, Xin, Ren, Gui", and it is repeated every ten days on Geng Day.The start and end times of Futian vary from year to year, but are roughly from mid-July to mid-August.
The time of the dog days in 2021
The timetable for the dog days in 2021:July 21, 2021 - August 19, 2021
Early 2021 Volt:July 21, 2021 - July 30, 2021 (10 days);
2021 Zhongfu:July 31, 2021 - August 9, 2021 (10 days) );
The end of 2021:August 10, 2021 - August 19, 2021 (10 days).
Introduction to Great Heat
Great Heat, one of the twenty-four solar terms, is the last solar term in summer.Douzhi C; the sun’s ecliptic longitude is 120°; the Gregorian calendar is July 22-24."Shu" means hot, and Dashu means extreme heat.The big heat is relatively hotter than the small heat.It is the most sunny and hottest solar term in the year, and the "humidity and heat" reaches its peak at this time.The climate characteristics of the Great Heat:high temperature and extreme heat, frequent thunderstorms and typhoons.Therefore, the big summer solar term in 2021 will be on July 22, 2021 in the Gregorian calendar.
Weather characteristics of the Great Summer solar term
The high temperature and rainy period during the Great Summer solar term are basically the same as the high temperature and the rainy period.The monsoon climate is the main feature of my country’s climate, and the monsoon climate is a mixture of continental climate and oceanic climate.In winter, affected by the dry and cold air flow from the inland, the weather is cold, dry and less rainy; in summer, affected by the warm and humid air flow from the ocean, the weather is hot, humid and rainy.Affected by the summer monsoon, the precipitation gradually decreases from the southeast coast to the northwest inland, and the annual precipitation is concentrated in summer.
The big summer solar term coincides with the "Zhongfu" period in the "dog days".It is the hottest period of the year, with the highest temperature and the fastest growth of crops.At the same time, various meteorological disasters such as droughts, floods, and wind disasters are also the most frequent in many areas.The climate characteristics of the Great Heat:high temperature and humidity, frequent thunderstorms.High temperature and rain, rain and heat in the same period, is conducive to the growth of crops."Book of Yi Zhou" said:"The soil moistens the sweltering heat (溽shu, refers to the damp and sultry heat).For another five days, the heavy rain will travel"; it also says:"The heavy rain does not travel from time to time, and the country has no grace." The Great Heat is the solar term with the most sunshine, the highest temperature and thunderstorms in a year.
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