Hurricane Sam forms in Atlantic, forecast to strengthen into Category 4 storm: See path NOLA.comFriday tropical update: Hurricane Sam set to become a major storm WWLTVHurricane Sam Forecast to Become Category 4 in Central Atlantic | The Weather Channel - Articles from The Weather Channel | weather.com The Weather ChannelTropical update: Tracking Tropical Storm Sam KHOU 11Sam is now a hurricane, forecast to rapidly intensify.