Helene upgraded to hurricane after strengthening off Florida's coast WESH 2 OrlandoHelene Hammers Cancún, Sets Sights On Florida The Weather ChannelHurricane Helene: A cataclysmic blow that will likely be among Florida's worst | Forecast Tallahassee DemocratCategory 1 Hurricane Helene enters the Gulf of Mexico WWSB#Helene resources: The latest storm forecasts, maps, imagery and more National Oceanic and Atmospheric Administration