 Natural Resources Wales issued two severe flood warnings, meaning an imminent danger to life was occurring, during the course of Storm Dennis – these covered the River Neath around Aberdulais and the River Taff around Pontypridd.More than 80 lower-level flood warnings were issued across Wales.Large-scale evacuations of villages in the River Usk and River Wye floodplains were co-ordinated by emergency services on 16 February in anticipation of serious flooding.