Floods in Wales: Cars, homes, shops abandoned in floods
27 November 2012 Last updated at 16:20 GMT
The Environment Agency has issued two severe flood warnings for the River Elwy in North Wales.
Hundreds of people in St Asaph in north Wales have been advised to leave their homes.
The BBC's Hywel Griffith, in St Asaph, said cars, houses and shops had been abandoned.