Yellow Alert of Wind for Wales : Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Ceredigion, Conwy, Gwynedd, Isle of Anglesey, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Powys, Rhonnda Cynon Taff, Swansea, Vale of Glamorgan, Torfaen, Denbighshire, Flintshire & Wrexham valid from 0900 Mon 23 Dec to 2359 Tue 24 Dec