King tides occur when the sun, moon and earth are aligned and cause the strongest possible gravitational pull on the ocean.

San Francisco residents awoke to a tornado warning, but none touched down there. It was the first such warning for the city ...

Two meteorologists for the National Weather Service's Bay Area office set out on Saturday to survey the damage caused by two possible tornadoes in California.

For the first time in recorded history, downtown San Francisco was included in a tornado warning as severe storms swept through the city.

San Francisco experienced its first-ever tornado warning early Saturday, stunning residents as a powerful storm swept through ...

Temperatures in the Sacramento Valley are expected to warm, too, after a high of 51 degrees expected Monday and an overnight ...

A Level 3 storm has spawned a rare Tornado Warning in San Francisco and left behind a path of destruction across the Bay Area ...

Five people were injured and "extensive" property damage was reported by city officials after an EF1 tornado hit Scotts ...

An ice storm has struck Iowa and eastern Nebraska, causing dangerous weather conditions for people driving in those areas.

For the first time, the National Weather Service Bay Area issued a Tornado Warning for the city of San Francisco.

In San Francisco, authorities issued the first-ever tornado warning. Meanwhile, upstate New York saw heavy snow, the Midwest ...

About an hour south of San Francisco a tornado touched down in the city of Scotts ... What's next for the region: Another ...