At least nine people have died after Hurricane Helene crashed into Florida as a Category 4 storm, pounding the west coast with “unsurvivable” conditions.Helene has since been downgraded to a tropical storm but is still packing “life-threatening” conditions as it plows across the county with a flash flood emergency issued for metro Atlanta and as far north as Kentucky’s Appalachia on high alert for heavy rains and landslides.