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△6 hours cumulative monitoring of severe convective weather in South China (Central Meteorological Observatory/Fa)
People's Voice of the World, April 20, Beijing Express In the blink of an eye, the traditional 24 solar terms of "Gu Yu" have 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 Ranking (Central Meteorological Observatory/Fa)
Experts said that monitoring data showed that from 08:00 to 14:00 this morning (20th), heavy rainfall and strong convective weather occurred in eastern Guangxi and northern Guangdong. During this period, the rainfall in Longwei in Guangxi was 131.4 mm in 6 hours, and the rainfall in Wuzhou also exceeded 100 mm. From the perspective of meteorological radar, there is a "train effect" in the Wuzhou area, where convection is constantly reborn in the warm and humid airflow on the southwest side, replacing the original convection, resulting in high rainfall intensity and long duration, with a cumulative rainfall of more than 100 mm.
△National Severe Convective Weather Forecast (Central Meteorological Observatory/Fa)
Industry insiders emphasized that it is not difficult to find that the "squall line" in northern Guangdong has also brought short-term heavy rainfall and thunderstorms and strong winds. For example, in Yunjishan, Xinfeng, Guangdong Province (*59095 meteorological observation station), wind gusts reached level 13 (37.2 m/s). Moreover, in the afternoon, in the northwestern part of Guangdong, there seems to be another convection developing, and a "squall line" may be formed. At the same time, the rainfall in Deqing, Guangdong Province exceeded 50 mm in a single hour from 13 o'clock to 14 o'clock. It can be seen that from this afternoon to the evening, the convection in Guangxi and Guangdong is still very active. (Editor-in-charge/Xiangyu)
*Editor's Note:
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