The National Weather Service has issued a Significant Weather Advisory for Calaveras County through 2AM.
A strong thunderstorm is moving north through Calaveras County at about thirty mph.
Wind gusts up to forty mph are expected with this storm, along with frequent dangerous lightning.
As of early Monday morning, PG&E reported several power outages in various locations including West Point, San Andreas, Copperopolis and Angels Camp. There were no immediate estimates for power restoration.