Recently, northern my country has experienced the heaviest rainfall since the flood season this year, affecting more than 10 provinces, and Shandong has become the center of this heavy rain. The local cumulative rainfall reached 280-391 mm. Monitoring data show that from 11:00 on June 26 to 06:00 on June 28, the average rainfall in Shandong Province was 92.8 mm, equivalent to 14.57 billion cubic meters of water. The water storage capacity of Daming Lake in Jinan, Shandong is 1.2 million cubic meters, which is equivalent to 12,141 Daming Lakes in Shandong in two days! (Photo from China Weather Network) In addition, 22 of the 31 meteorological observation stations in the north that broke the record of single-day rainfall in June recently are in Shandong, 4 of which are over 200 mm, and 255.5 mm in Gaomi even reached a heavy rainstorm. magnitude. According to Shi Yan, a meteorological analyst at China Weather Network, this round of rainfall in Shandong is divided into two stages. The first stage is dominated by strong convective precipitation, with a large amount of precipitation at a single point. At this time, Shandong was in the early stage of low vortex formation, and the southwest jet stream provided it with very abundant water vapor. In addition, the previous high temperature and high accumulated heat stimulated very violent convective precipitation. Low vortex generation.
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