据深圳新闻网消息，深圳市应急管理局防灾减灾处（地震处）处长王常效表示，"桦加沙"可能是自2018年"山竹"之后影 响深圳最强的台风。目前全市已启动应急机制，各部门正有序开展各项防风防汛工作。王常效呼吁市民保持警惕，切勿 心存侥幸，并提出以下防御建议： 减少不必要的外出，避免前往沿海、临河及低洼地区；提前储备至少3天的饮用水、食品、药品及应急物资；加固门窗， 收回阳台高空物品，防止坠落；地质灾害高风险区、危旧房屋居民应熟悉转移路线，随时准备撤离；妥善安置老人、儿 童、病患及宠物。目前全市计划转移安置沿海、低洼地带、工棚人员等约40万人。王常效强调，请受影响市民积极配合 政府转移安排。此外，台风影响期间部分医疗服务可能存在调整，有特殊就医需求的市民建议提前规划。 中央气象台9月22日15时发布台风橙色预警： 今年第18号台风"桦加沙"（超强台风级）的中心22日下午2点钟位于广东省阳江市东偏南方向约1060公里的巴士海峡海 面上，就是北纬19.4度、东经121.8度，中心附近最大风力有17级以上（62米/秒），中心最低气压为910百帕，七级风 圈半径340—480公里，十级风圈半径160—200公里，十二级风圈半径 ...

Core Viewpoint - The Guangxi region is transitioning from drought to potential flooding, with the government preparing for severe weather conditions and addressing four major risks associated with this transition [1] Group 1: Risks Faced - Drought and flood transition risks include significant rainfall following a prolonged drought, which has reduced average precipitation by nearly 70% compared to the same period in previous years [1] - The risk of external flooding and internal waterlogging is heightened due to the potential for major rivers to exceed warning levels, coupled with inadequate flood control capabilities in urban and rural areas [1] - Geological disaster risks are substantial, with 80% of such incidents occurring during the main flood season, exacerbated by unstable soil conditions from prior droughts [1] - The region anticipates 4-5 typhoons and multiple high astronomical tides, which could lead to severe coastal flooding if combined with strong winds and heavy rainfall [1] Group 2: Preparedness Measures - Enhanced monitoring and forecasting systems are being implemented, including a "three ten-day" drought warning mechanism and collaborative analysis with various departments to assess weather impacts [2] - Water resource management strategies are being optimized, ensuring that reservoirs are managed according to specific needs while balancing flood control and irrigation requirements [2] - A comprehensive risk assessment is underway, focusing on geological hazards and ensuring that waterways and reservoirs are maintained to facilitate effective flood management [2] - Emergency preparedness is being strengthened through direct communication with frontline responders and pre-positioning of rescue resources in high-risk areas [2] Group 3: Institutional Framework - The establishment of a disaster prevention and relief committee at the regional level aims to streamline command structures for flood and drought management [3] - Responsibilities for flood control have been clearly defined, with over 350 officials assigned to key flood-prone areas and a network of local officials tasked with monitoring and response [3] - A thorough risk inspection process is being conducted, targeting over 28,000 identified hazards to ensure effective management and mitigation strategies are in place [3] Group 4: Resource Allocation - The region has stockpiled 791.1 million emergency supplies valued at approximately 9.8 billion yuan, including communication equipment and trained emergency response teams [4] - Safety measures are prioritized in high-risk areas, ensuring rapid deployment of resources and personnel for effective disaster response [4]