Ireland's national weather service says the country has seen 114 mph wind gusts, the highest ever recorded on the island.
Millions of people in Ireland and northern parts of the U.K. are being urged to stay at home as hurricane-force winds disabled power networks.
Storm Éowyn hit Northern Ireland early on Friday morning and brought disruption and destruction throughout the day.
A powerful storm has left hundreds of thousands of homes without power and caused massive travel disruptions in the United Kingdom.
A rare “stay at home” warning has been issued for parts of the United Kingdom and Ireland as a severe storm lashes the region, bringing dangerous 100mph (160 kmh) winds and unleashing travel chaos.
Ed Sheeran visited Northern Ireland where he is supporting music organizations through his newly-launched Ed Sheeran Foundation.
Ireland has been hit with record wind gusts of 114 miles (183 kilometers) an hour as a winter storm batters the country and northern parts of the U.K. Schools have been closed, trains halted and hundreds of flights canceled in the Republic of Ireland,
Record high winds from Storm Eowyn battered Ireland and Northern Ireland on Friday, leaving 560,000 homes and businesses without power and forcing the cancellation of hundreds of flights and the closure of schools and public transport.
Nearly one million properties are without power in the UK and Ireland while trains and ferries have been cancelled as emergency responders work to fix the damage caused by Storm Éowyn. The storm brought gusts of more than 100 mph (161 km/h) on Friday, leaving one man dead after a tree fell on a car in Ireland.
There was widespread disruption to travel and public services across the UK and Ireland on Friday and it is expected to continue into the weekend.
Flooding possible over weekend with heavy rain and strong winds forecast - Up to 80mm of rainfall could be seen in parts of England and Wales with several weather warnings issued by the Met Office.