ex-hurricane-ophelia-16-october-2017---met-office.pdf
mean wind speed (Kt) for these same stations. The highest hourly mean wind speeds occurred slightly a er the highest gust speeds and remained sustained at over 40 Kt (and for Aberdaron 50Kt) for several hours. Hourly air temperature at Porthmadog (Gwynedd), Gogerddan (Ceredigion) and Pembrey Sands