A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado ...

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

San Francisco residents were woken up by a tornado warning early Saturday morning during a powerful storm system that ...

A brief tornado warning alert was issued for residents in northern San Mateo County and downtown San Francisco.

Less than two weeks after a tsunami warning, residents were jolted awake before 6 a.m. to consider a new potential disaster ...

For the first time in recorded history, downtown San Francisco was issued a tornado warning on Saturday as severe storm ...

A major ice storm has created treacherous driving conditions across Iowa and eastern Nebraska and prompted temporary closures ...

A storm prompted the first tornado warning in San Francisco on Saturday and caused some damage. Some trees were toppled and ...

A major ice storm created treacherous driving conditions across Iowa and eastern Nebraska this weekend and prompted temporary ...

The National Weather Service has lifted the tornado threat for the city of San Francisco and a part of San Mateo County Saturday morning. The National Weather Service has lifted the tornado threat for ...

A major ice storm created treacherous driving conditions across Iowa and eastern Nebraska this weekend, while areas of ...