A rare California tornado warning was issued Thursday in parts of the Central Valley.
A severe thunderstorm capable of producing a tornado was located in Calaveras County around 4:35 p.m., Sacramento-based and NBC-affiliate KCRA reported.
The warning was in effect for parts of Calaveras and Amador Counties. Calaveras County is around 40 miles east of Stockton. The tornado warning expired at 6 p.m.
No other information was immediately available.