Drone footage reveals "Tornado Rip" vortex invisible from the shore

A drone photographer captured a mesmerizing vortex in the water off the coast of Sydney, Australia, known as a "tornado rip." From 50 feet up, the spiral pattern is unmistakable — a tight, churning column of rotating water. To anyone standing on the beach, the surface looks no different from the rest of the ocean. — Read the rest The post Drone footage reveals "Tornado Rip" vortex invisible from the shore appeared first on Boing Boing.