Authorities in northern Minnesota were looking for a 31-year-old woman last seen in Mountain Iron, Minn.

Shelley Marie Krimpelbein "has been developing signs of depression and possibly mental health issues," the St. Louis County Sheriff's Office said. She was not considered violent but may be "verbally combative," the Sheriff's Office added.

She was driving a 2005 silver Chrysler Sebring convertible with a black roof and a Wisconsin plate of 110LAG. No photo or description was available from the Sheriff's Office on Tuesday night.

Anyone with information is asked to called the Sheriff's Office in Mountain Iron at 218-748-7574.