The record for the maximum ever gust of wind in Ireland has been broken overnight.
Met Eireann says a gust of 183 km/h was recorded at Mace Head, breaking the previous record of 182 km/h which has stood since 1945.
Gusts of 139 and 137 km/h were also recorded in Knock and Shannon respectively.
The highest mean wind speed since the storm began was 130 km/h at Mace Head, which is a hurricane force wind.
715,000 homes, farms and businesses are now without power this morning, with ESB describing the situation as unprecedented.
The red wind warning remains in place in galway until 11am, and that will then be replaced by an orange warning until midday.
People are advised to stay indoors, and don't travel unless absolutely necessary.
There are reports of trees and power lines down across the country, while debris is on roads.
