Is heavy snow and thunder a bad sign? Is it colder during heavy snow or during the winter solstice? The lunar calendar is the traditional Chinese calendar, also known as the Xia calendar, the Chinese calendar, the Han calendar, and the Chinese calendar. What month is October in the lunar calendar of 2020? Let’s find out more about it with Mr. Shui Mo’s website.Is heavy snow and thunder a bad sign?The Big Snow solar term comes after the Beginning of Winter solar term, and thunder after the Beginning of Winter was considered a bad omen in ancient times.The ancient poem "Shang Xie" says: "When the winter thunders and the summer snows, and the heaven and earth unite, then I dare to break off with you!" Comparing thunder in winter to snow in summer is considered an impossible natural phenomenon. Meteorological experts said that this is just a natural phenomenon and not something unlucky. "Winter thunder" is caused by the cold and dry air in winter, weak solar radiation, and difficulty in forming violent convection. Why doesn’t it usually thunder when it snows?1. The so-called reason why there is no thunder in winter may be due to different living areas.Thunder occurs in convective weather. When the warm and cold currents in the sky meet, they combine with each other due to the different electric charges they carry, resulting in lightning. The northern part of my country is dominated by cold currents in winter. The warm air currents are very weak when they reach the north, making it difficult to produce lightning. 2. In summer, the temperature is high and the air contains a lot of water vapor. When they rise, they encounter cold air and form clouds. One type of cloud called cumulonimbus clouds will develop into cumulonimbus clouds when convection is frequent. During the violent ascent and convection movement, cumulonimbus clouds will carry a large amount of positive and negative charges due to intense friction. The faster they move, the more positive and negative charges the cumulonimbus clouds carry. When the positive and negative charges in the cloud accumulate to a certain level, discharge will occur, forming huge lightning. Because lightning is very hot, with a temperature as high as 16,700 degrees Celsius, it can quickly heat the surrounding air, causing the air to suddenly expand at a supersonic speed and emit a strong explosion. This is thunder. In winter, there is very little water vapor in the air and there are no strong updrafts, so cumulonimbus clouds are not easy to form in the sky. Without cumulonimbus clouds, we would certainly not see lightning and thunder. Is it colder during heavy snow or during the winter solstice?Winter snow, winter minor and major cold: Beginning of Winter, Minor Snow, Heavy Snow, Winter Solstice, Minor Cold, Major Cold. The Beginning of Winter is the beginning of winter, and winter will be over after the Great Cold.In terms of the order of winter solar terms, the Winter Solstice comes after the Heavy Snow. According to normal weather conditions, the Winter Solstice is indeed lower in temperature than the Heavy Snow, but there are exceptions and we cannot generalize. In fact, the winter solstice is not the coldest time of the entire winter. On the winter solstice, the sun shines the shortest in the Northern Hemisphere, and it is the day with the shortest day and the longest night. For a period of time after the winter solstice, the surface temperature will continue to drop, and the temperature will become lower and lower. The Great Cold is the coldest solar term in the year. There is an agricultural proverb that says "On the eighth day of the twelfth lunar month, your chin will freeze off" and "On the 19th and 29th days of the lunar month, not a drop of water will flow, on the 39th and 49th days of the lunar month, mortars and pots are frozen through." |
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