Winds of up to 75mph (120km/h) will lash parts of south-west England as Storm Evert hits the UK on Thursday and Friday.
The Met Office said the newly named storm would bring “unseasonably strong winds and heavy rain”.
Warnings are in place for parts of the south of England and 威尔士, with damage to infrastructure and travel disruption thought possible.
Forecasters announced Evert as the name for the storm on Thursday morning, advising the public to be “weather aware”.
They predicted wind gusts of between 45mph and 55mph in some coastal and hilly areas, rising to 65-75mph gusts across 康沃尔郡.
政府 announced on Thursday that more than £860m is to be invested in flood prevention schemes across the UK over the next year.