What is a red 'danger to life' warning? Met Office weather alert level explained

Storm Babet, the second named storm of the year, has unleashed carnage on England after battering most of Scotland. The Met Office issues warnings through the National Severe Weather Warning service, when severe weather has the potential to impact the UK. The warning impact matrix is a diagram the Met Office use to categorise exactly where the warning falls - you can access it on the weather warnings page on their website. The warning impact matrix is a diagram the Met Office use to categorise exactly where the warning falls The Met Office's weather map for today Traffic ploughs through flood water at Brent Cross in north London Pictured: People being rescued from flooding in Brechin, Scotland where residents are being evacuated What is a red 'danger to life' warning? Pictured: London Pictured: Storm Babet unleashing carnage in Essex When was the last red 'danger to life' weather warning in the UK?