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△ National Heavy Rainfall Area Forecast Map (Central Meteorological Observatory/Fa)
People's Voice of the World, April 18, Beijing Express In the blink of an eye, the "Qingming" of the traditional 24 solar terms has arrived. In the opinion of experts, as the warm and humid airflow moves northward in waves, when it encounters cold air from the south, it will cause frequent rainfall in the south. In the northern region, there will also be a large-scale rainfall process from west to east from the 18th to the 20th. Whether it is in the north or south, the temperature mostly shows a trend of high and then low.
△ National precipitation TOP20 live map (Central Meteorological Observatory/Fa)
Experts said that the monitoring data showed that from yesterday (17th) to this morning (18th), the rain in the south was mainly divided into two parts; Second, in Guizhou, Guangxi, and western Guangdong, a "squall line" was formed in front of the high-altitude trough, and the rain mainly fell from night to this morning; moreover, this rainfall was very rapid; for example, from 02 a.m. to 03 a.m. in Du'an, Guangxi, exceeded 50 millimeters in a single hour; from 08 a.m. to 09 a.m., Guangdong closed more than 20 millimeters in a single hour. At the same time, this morning's Central Meteorological Observatory issued a blue warning for heavy rain.
△ Doan Weather Live Monitoring (Central Meteorological Observatory/Fa)
According to experts, the Central Meteorological Observatory predicts that from 08:00 on April 18 to 08:00 on the 19th, there will be heavy rain in parts of central Ningxia, southwestern Shaanxi, eastern Sichuan, southeastern Chongqing, northern Guizhou, western and southern Hunan, southern Jiangxi, western Fujian, eastern Guangxi, and central and northern Guangdong;
△ National 6-hour precipitation forecast (Central Meteorological Observatory/Fa)
It is worth noting that insiders in the industry have emphatically pointed out that it is not difficult to find in the study and judgment of the situation, as experts say, according to the analysis of the latest meteorological data, the high-altitude trough in the western region has moved eastward, and the southerly winds in front of the trough have strengthened, transporting a large amount of water vapor to the inland of the mainland; moreover, in the southern region, the air flow has decelerated and converged to form a warm shear line; at the same time, heavy rainfall may occur in the area at the junction of Guizhou and Hunan, as well as in the vicinity of Nanling. In the north, there are low vortices in the Yellow River, which will also lead to heavy rainfall. (Editor-in-charge/Xiangyu)
*Editor's Note:
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