Map Viewing Service (WMS) of the dataset: Zone D ALEAS OF THE RIOMOISE AGGLOMERATION PPRNPI (63DDT20140003) approved on 18-07-2016 — Puy-de-Dôme

Hazard maps determine flooded areas in terms of perimeter and flood intensity. Three levels of hazard (low, medium and strong) are defined according to the physical parameters of the flood that can translate in terms of severity for people and damage to property. These parameters are water heights and flow velocities: —high hazard, for water heights exceeding 1 metre, and/or velocities of more than 1 metre per second, —average hazard for heights of water between 0,5 and 1 m and speeds of less than 1 meter per second, or speeds between 0,5 and 1 m per second and heights of less than 1 m, —low hazard for water heights less than 0,5 metres, and speeds of less than 0,5 metres per second.