The full detail of impacts on communities in Wales is still emerging and officials are in contact with local authorities across Wales, as is usual after such events.
Mae manylion llawn yr effeithiau ar gymunedau yng Nghymru yn dal i ddod i'r amlwg ac mae swyddogion mewn cysylltiad ag awdurdodau lleol ledled Cymru, fel sy'n arferol ar ôl digwyddiadau o'r fath.