Storm Brian has now officially been named and could bring a wild weekend of weather to London and the south.

A yellow weather warning for wind has been issued, valid from 4am to midnight on Saturday, but this could yet be raised to the more serious amber level in line with what's already happened in Ireland.

The wild conditions, caused by a "weather bomb" over the Atlantic Ocean, may cause coastal flooding, the Met Office said.

Some transport disruption is likely, with delays to road, rail and air transport.

MORE: Weather warning issued as Storm Brian heads towards London

Forecasters have said the south of England and south and west Wales will suffer the strongest winds of up to 80mph with many parts facing heavy rain also.

Chief forecaster for the Met Office Dan Suri said: “Storm Brian is expected to bring strong winds to southern and western areas early on Saturday morning. The first and most significant land-based impacts will be in the south west of Ireland, hence the amber warning from Met Éireann. At the moment, we don’t expect the same level of impacts for the UK.

“As we go through Saturday morning and early afternoon the strong southwesterly winds affecting the south west will transfer east and slowly change direction as they will become westerly towards the end of the warning period.

“Gusts exceeding 50 mph are expected widely within the warning area, with gusts of around 70 mph along exposed coastal areas. These are expected to coincide with high tides, leading to locally dangerous conditions in coastal parts.”

Alison Baptiste, national flood duty manager for the Environment Agency said: “Environment Agency teams are on the ground checking defences and taking precautionary measures such as closing tidal gates.”

The Met Office issued concerns yesterday about trees and buildings already being vulnerable from ex-hurricane Ophelia.

Ophelia hit earlier this week, killing three people and cutting the power of over 360,000 houses.

The Met Office is warning people to take care if they are out on Saturday and urges thrillseekers not to risk their safety by posing for "storm selfies".