Why is the Level 4 emergency response to heavy rain activated in the north of central Hunan?

According to reports, from the 10th to the 12th, there was continuous heavy rainfall in the north of central Hunan. The process was dominated by mixed convective weather such as short-term heavy rainfall, thunderstorms and strong winds. It arrived late on the 10th Today's daytime is the period with the strongest rainfall. At 5:00 pm on June 10, the Provincial Meteorological Bureau launched a Level IV emergency response order for meteorological disasters (heavy rain) in the north of central Hunan. The Changsha Meteorological Observatory also issued a blue warning signal for thunderstorms and strong winds at 16:47 yesterday.

It is reported that the Meteorological Observatory predicts that from today to tomorrow, there will be moderate showers or thundershowers on cloudy days in Xiangxi Prefecture, Zhangjiajie, Changde, Yiyang, Loudi, Yueyang, Changsha and northern Huaihua, with some heavy rains and local heavy rains. It will be cloudy to cloudy in northern Zhuzhou, Xiangtan, and Shaoyang, with light to moderate showers or thundershowers, and locally heavy to heavy rain. In other areas, it will be cloudy and cloudy with scattered showers or thundershowers. During this period, sudden bursts will occur in most areas north of central Hunan. The risk of geological disasters is high, so please take precautions.

Meteorological experts remind that this round of heavy rainfall lasts for a long time, the short-term rain is strong, and it covers a wide area. The heavy rainfall area may overlap with the previous heavy rain area. It is necessary to strengthen the defense against local heavy rainfall that may cause floods, flash floods, landslides, debris flows and other geological disasters and urban waterlogging in small and medium-sized river basins; pay attention to preventing mild flooding in the upper reaches of Yuanshui River; pay attention to the flood prevention safety of reservoirs, ponds and tailings ponds, and do a good job in flood prevention and dispatch; at the same time, prevent short-term floods Adverse effects caused by strong convective weather such as heavy rainfall, thunderstorms and strong winds.

Relevant departments and persons in charge stated that the current emergency and disaster relief tasks are heavy, and they will further strengthen the construction of the disaster prevention, reduction and relief work system, give full play to the function of the Changsha Central Disaster Relief Material Reserve, and effectively respond to new disasters work to ensure the safety of people's lives and property.