A rare red warning for “dangerous, stormy” winds has been issued by the Met Office for south-west England, with Storm Goretti set to bring 100mph gusts.The warning, from 4pm until 11pm on Thursday, says “violent gusts” over two to three hours will hit parts of Cornwall and the Isles of Scilly.Peak winds of 80-100mph or more in exposed areas are also expected, the forecaster said.The warning says people should expect damage to buildings and homes, very large waves, flying debris resulting in danger to life, power cuts and public transport cancellations.