At 0:50 on August 1, 2021, a mudslide broke out in Shuitang Village, Yuxi City, Yunnan Province, affected by days of heavy rainfall. The monitoring equipment alerted 10 minutes in advance, and the local department quickly organized the orderly evacuation of the people.
1. Layout plan of monitoring and early warning equipment
2. Dredge the drainage channels in advance
At 0:9:58 seconds on August 1, 2021, the mud and water level in the gully reached 0.6 meters, and the monitoring and warning system issued a blue warning; At 00:19 minutes and 58 seconds, the muddy water level reached 0.8 meters, upgrading the yellow warning; At 0:39 minutes and 58 seconds, the muddy water level reached 1.2 meters, triggering the orange alert. After hearing the early warning broadcast and receiving short messages, the local professional monitors quickly sent out the risk aversion transfer alarm information in accordance with the defense plan, and organized the masses to evacuate in an orderly manner according to the established path, and 264 people in 68 threatened households successfully transferred to risk aversion within 10 minutes.
Every year, we have many cases of this kind of advance monitoring, modern group test group prevention is a disaster prevention measure with extensive participation, science and technology landing, and social joint efforts to achieve collaborative and efficient defense. In terms of civil air defense, the local government attaches importance to popular science education and risk-aversion drills for threatened people, so that they are familiar with risk-aversion signals, evacuation routes and resettlement sites. In terms of technical defense, according to the progressive research and judgment of quantitative precursor information, the equipment is accurately warned to enter the household, and the favorable opportunity to avoid risk is obtained.
