Winds at this level flatten houses and hurl cars. Understanding these winds—the tornado's strongest and most erratic—may enable engineers to design better tornado-resistant structures.

An apparent tornado touched down in a small Northern California city Saturday, flipping cars, causing significant damage and sending several people to the hospital. The National Weather Service ...

SCOTTS VALLEY, Calif. – A rare tornado in Northern California on Saturday caused quite a bit of damage as the spiraling vortex flipped cars, damaged homes and businesses and left thousands without ...