One boat carrying passengers survived. They were lucky.' Two types of tornado form at sea - tornadic waterspouts and fair-weather waterspouts. Tornadic waterspouts form from thunderstorms ...

They can form either as a tornadic waterspout, which develops from a supercell thunderstorm, or the more common fair-weather waterspout, which forms in calm conditions without severe storms.

Two EF-1 tornadoes and a waterspout were confirmed in North Carolina following severe weather that hit the state late Sunday. Eight people were injured after a confirmed tornado destroyed multiple ...