A warning covering an area with about 2,200 residents told people to take shelter because flying debris was expected. By John Yoon A winter storm in Northern California spawned a tornado on Friday ...

In San Francisco, authorities issued the first-ever tornado warning. Elsewhere, inclement weather plagued areas of the U.S., with dangerous conditions including heavy snow in upstate New York ...

But the prolonged storm, which even spawned a tornado near Fresno ... It’s too early to know just how much snow fell, particularly because much of the Sierra Ridge is uninhabited.

In upstate New York, more than 33 inches (84 centimeters) was reported near Orchard Park, which is often a landing point for lake-effect snow. On Saturday, a tornado touched down near a shopping ...