[5] More than 120 lorries were stuck in heavy snow on the M62 in Greater Manchester, with the motorway shut by police while ploughs and gritters led the rescue effort.

[8][9] On 26 November 2021, the UK Met Office, issued what they described as a "rare red weather warning" due to a deep pressure moving southwards from the Atlantic Ocean.

This forecast was of extreme wind and waves on the eastern coast of Scotland at Aberdeenshire, all the way down to the Tees Estuary in England.

Northern Powergrid stated Arwen was the largest storm to impact their network since 2005,[17] with large sections of overhead lines needing to be rebuilt.

[21] Dozens of crashes were reported by police agencies across the UK, many roads were closed due to fallen trees, snow or ice.

More than 120 lorries were stuck in heavy snow on the M62 in Greater Manchester, with the motorway shut by police while ploughs and gritters led the rescue effort.

[27] Wind speeds reached up to 100 miles per hour (160 km/h) which caused waves in Scotland of over 10 metres (33 ft) in height.