China News Service, May 7. According to the news on the website of the Central Meteorological Observatory on the 7th, the latest forecast of the Central Meteorological Observatory predicts that the rainfall in the southern region will increase and strengthen in the next week.
Among them, from May 9th to 13th, southern Jiangnan and southern China will usher in the strongest rainfall process since the flood season this year, with the characteristics of long duration, large accumulated rainfall, and fierce local rain.
long duration
From the 7th to the 8th, there were scattered heavy or heavy rains in parts of the western Sichuan Basin, southeastern Guizhou, central and southern Hunan, northern Jiangxi, Guangxi, northern Guangdong, and Hainan Island.
Since the 9th, the rain has intensified, and the areas of heavy rainfall have increased. The number of rainy days in Guangxi, Guangdong, Fujian, southern Hunan, and southern Jiangxi can reach 4-5 days.
Taking Guangzhou, Guangdong as an example, the next three days will be dominated by thunderstorms, and the rhythm of continuous heavy rain or heavy rain will start from the 10th to the 13th.
Accumulated rainfall
It is expected that in the next week, the accumulated precipitation in southern Jiangnan, most of South China, and southwestern regions will be significantly higher than the same period of the previous year, 50% to 1 times more in most areas, and more than 3 times more in some areas.
Among them, from the 9th to the 13th, the cumulative precipitation in southern Jiangnan and most of southern China was 100-200 mm; the central and northern Guangxi, central and northern Guangdong and coastal areas, southwestern Fujian, southern Jiangxi and other places were 250-300 mm. The ground can reach 350 to 400 mm.
local rain
From the 9th to the 13th, the maximum daily rainfall in most areas south of the Yangtze River can reach heavy to heavy rains. There are heavy rainstorms in most of southern China and parts of southern Jiangnan, and there are heavy rainstorms in Guangdong and Guangxi. The above areas are accompanied by short-term heavy rainfall. , strong convective weather such as thunderstorms, strong winds or hail.
The strongest rainfall period occurred from the 10th to the 12th, and the daily rainfall of individual stations in Guangdong and Guangxi may reach the historical extreme value.
Meteorological experts remind
Affected by rainfall, the meteorological risks of geological disasters and mountain torrents in eastern and northern Guangxi, central Guangdong, southwestern Fujian, southern Jiangxi, and southern Hunan are relatively high; the meteorological risks of small and medium-sized river floods in central Guangdong and eastern Guangxi are high. higher.
The above-mentioned areas need to pay attention to preventing flash floods, geological disasters and small and medium-sized river floods that may be caused by heavy rainfall.
The south has entered a rainy period, the risk of disasters will increase, and extreme weather may occur. Disaster prevention preparations should be made in advance, and the public should try to avoid going out during periods of heavy rainfall and strong convection.