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△List of temperature forecasts for major cities (Central Meteorological Observatory/Fa)
People's Voice of the World, April 29, Beijing Express In the blink of an eye, the traditional 24 solar terms "Gu Yu" has arrived. In the national weather stage this week (April 29-May 5), experts believe that there are two more rounds of heavy rainfall and strong convective weather processes in the south, and the main periods are April 29-30 and May 3-5 respectively. Among them, the rain on May 4-5 will also affect the north, so it may have a greater impact on the "May 1st" holiday. In addition, from April 29 to 30, Hainan also had extreme high temperatures. During the week, the temperature in the north fluctuates greatly, at the beginning of the week, it is mostly low, and during the holidays, it rises first and then falls.
△ 48-hour forecast of the highest temperature in the country (Central Meteorological Observatory/Fa)
Experts said that according to the analysis of the latest meteorological data, this week's temperature changes, one is to see the fluctuations caused by cold and warm air advection, and the other is to see the impact of the difference between weather and rain on the light factor. Among them, in the north on April 29, the temperature tends to be lower because of cold air + rain. From April 30 to May 1, the temperature in Northeast China and North China will rise sharply, and during this period, the temperature will turn from low to high in many places. Moreover, after that, there will be a large warm ridge in the sky carrying a warm air mass to the east, and the temperature in the northeast will hit a new high since this year (2024), for example, Shenyang will report 28°C on May 3, Harbin will report 29°C on May 4, and Changchun will report 25°C on May 4.
△ 144-hour forecast of the highest temperature in the country (Central Meteorological Observatory/Fa)
According to experts, the temperature in North China and Huanghuai will drop again from May 4 to 5 due to the increase in rain. After precipitation and cold air, temperatures in the northwest will rise again, such as Urumqi on May 5, which reported 29°C, and Xining, which reported 24°C, which will also hit a new high. In many places in the south, due to frequent rainfall and the southward movement of cold air, the temperature showed a downward trend from April 30 to May 1. For Hainan, which has been hot recently, it will also cool down significantly from May 1 to 2, such as Haikou, where the maximum temperature is expected to be 40°C on April 30, drop to 34°C on May 1, and drop to 29°C on May 2.
△ 168-hour forecast of the highest temperature in the country (Central Meteorological Observatory/Fa)
Experts believe that the Jiangnan area from May 3 to 5 will have little fluctuation in temperature throughout the day during the rainfall. For example, the maximum temperature forecast for May 3 shows 28°C in Shenyang, 24°C in Nanjing, 22°C in Shanghai, 22°C in Hangzhou, 22°C in Nanchang, and 19°C in Changsha. Even on the afternoon of May 3, the temperature in Shenyang was on a par with Nanning.
△ National Air Pollution Meteorological Conditions Forecast (Central Meteorological Observatory/Fa)
Industry insiders stressed that it is not difficult to find out that as experts say, this week coincides with the "May 1" holiday, with the temperature rising in North China and Huanghuai, and in clear weather, the afternoon sunlight is stronger, which may lead to ozone pollution. In normal May, the air humidity in the north is low, and the height of the sun gradually rises, and when the temperature is sunny and dry, ozone will be formed from low altitude to near the ground, which will irritate the respiratory system and eyes, and then cause discomfort to the human body. In addition, there are not many sand and dust weather during the week, mainly in the Tarim Basin of Xinjiang. (Editor-in-charge/Xiangyu)
*Editor's Note:
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