Key events
Traffic Scotland reported a lengthy list of road closures due to the bad weather with the Forth Road Bridge closed in both directions, while the Skye Bridge, Queensferry Crossing and Clackmannanshire Bridge were closed to high-sided vehicles.
The Tay Road Bridge reopened early on Saturday with a 30mph speed restriction and remained closed to high-sided vehicles.
The M9 eastbound near Stirling was among many stretches of roads closed because of falling trees, while the A78 at Skelmorlie has reopened after being closed for a spell overnight because of flooding.
The M48 Severn Bridge between Gloucestershire and Wales was closed overnight because of high winds while parts of the A19 Tees Viaduct, the A66 in Cumbria and the A628 near Manchester were closed to high-sided vehicles.
Storm Amy has hit harder and faster than expected, Network Rail says
Network Rail said Storm Amy has had a greater impact than predicted, with services in and out of Glasgow Central suspended as a result of the weather event.
“Storm Amy has hit parts of the country much harder and more quickly than expected,” Network Rail said.
“We have experienced over 60 incidents on the network during the first two hours of the storm, with flooding, trees falling on to the overhead lines and debris on the tracks.
“The safety of passengers and colleagues is priority, which is why all services to and from Glasgow Central have been suspended at this time.
“We have crews out surveying damage where it is safe to do so and we will do our best to clear lines overnight, but we do expect some disruption tomorrow morning.
“We apologise to people who were wishing to travel tonight and now need to make alternative arrangements.”
Avanti West Coast warned of “short-notice changes” on Saturday and “strongly recommended” customers making journeys north of Preston to check for updates before travelling.
CalMac Ferries said it expected many services to be disrupted on Saturday and into Sunday, with many routes cancelled.
Belfast international airport said it was expecting delays on Saturday and advised passengers to check with airlines.
Man killed as Storm Amy hits UK and Ireland
A man has been killed and hundreds of thousands of homes on the island of Ireland are without power after Storm Amy brought widespread disruption on Friday.
An amber weather warning, highlighting a danger to life, was also in place in the north of Scotland until 9pm on Saturday.
There were 25 flood warnings and 17 flood alerts in place across Scotland, where high winds reportedly caused a derelict building to collapse in Glasgow. Power cuts have also been reported in the Highlands and ferry sailings, flights and trains have been cancelled.
In Ireland, power lines were damaged and hundreds of schools closed early as the first named storm of the season swept across the island.
Irish police said they were treating an incident where a man died in the Letterkenny area of County Donegal, shortly after 4.15pm, as weather-related.
The Irish government issued its highest-level wind warning in Donegal, where residents were advised to take shelter between 4pm and 6pm.
A provisional October wind gust record for Northern Ireland was set as 92mph winds were measured at Magilligan in County Derry, the Met Office said.
The Electricity Supply Board (ESB) said approximately 184,000 homes, farms and businesses across the Republic of Ireland were without power at 5.15pm. About 50,000 properties in Northern Ireland have also been left without power, NIE Networks said.
Alex Houston, NIE Networks operations manager, said: “Our incident management centre in Craigavon has been opened as have our local incident centres across Northern Ireland with staff across the company being escalated to assist with the response effort.
“We have mobilised additional call agents to deal with any queries customers may have regarding the repair process in their area.”