The alert was issued on April 6 for 70-year-old Joanne Monk.
Authorities said Monk was found safe at a bus station on April 12.
Developed in 2007, the Silver Alert system quickly notifies the public about missing endangered adults who suffer from dementia or other cognitive impairments.
It also allows caregivers and nursing homes to report a person missing. In the past, only a family member could report an adult missing.