Two tornadoes touched down in Michigan overnight, according to the National Weather Service, as a powerful line of storms swept across the western part of the state.

U.S. weather authorities issued and later lifted a rare tornado warning in parts of California as a powerful storm system continues to batter the state with flooding, heavy snow, and high surf.

An unexpected tornado tore through parts of Pinellas County on Wednesday, damaging dozens of homes and leaving a trail of destruction in neighborhoods west of Tampa, Florida's Gulf Coast.

A sprawling storm system crossing the U.S. on Friday caused deadly crashes, damaged buildings and fanned more than 100 wildfires in several central states, prompting evacuation orders in some communities.