Storm Bert will move in from the Atlantic during Saturday after undergoing explosive cyclogenesis.
This is when the central pressure of the storm drops more than 24mb in 24 hours and which meteorologists also use the term “weather bomb” to describe.
Winds will increase right across the UK through Saturday morning with gusts of 40-60mph (65-96km/h) expected quite widely across Scotland and parts of northern England.
A Met Office yellow warning for wind has been issued for these areas from 5am to 7pm on Saturday.
Locally around Irish Sea coasts, gusts will reach 70mph (113km/h).
These winds have the potential to cause damage and disruption to the transport network and buildings, and power cuts are also possible.
Heavy rain is also expected at times over the weekend which the Environment Agency says could lead to some localised flooding
Across south-west England and Wales, a Met Office yellow warning for rain says that throughout Saturday 50-75mm (2-3in) of rain could fall widely.
In some parts, such as south Wales and Dartmoor, there could be as much as 125mm (5in) which would be the whole of November’s average rainfall in just a day.
Strong winds will continue at times well into Sunday and Monday as Storm Bert makes slow progress eastward across the UK.
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