Alerting System – River traits of the main watercourses subject to monitoring during the event

In Regional Executive Resolution No 1761 of 30 November 2020 “Updating the Document for the Organizational and Functional Management of the Regional Alert System for Hydrogeological, Hydraulic, Coastal Weather Risk and Avalanche Risk”, for civil protection purposes, the major river sections of the waterways for which, during the event, it is possible to make a short-term forecast of the evolution of the current floods, based on the rain and water levels observed by the sensors from the monitoring network and foreseen by hydrological-hydraulic models.2020年11月30日第1761号区域行政决议《更新区域水文地质、水利、沿海气象风险与雪崩风险预警系统（Regional Alert System）的组织与职能管理文件》明确，为满足民防需求，该决议规定的主要河道河段可依托监测网络（monitoring network）传感器采集的降雨、水位观测数据，结合水文-水力学模型（hydrological-hydraulic models）的预测结果，在洪水事件期间对当前洪水的演进开展短期预报。