Rochester police are searching for a missing woman described as endangered.Tiffany Vigneau, 42, was last seen in the Charles Street area Monday, wearing a multi-colored short-sleeved blouse and jeans, police said. Officials said Vigneau is described as tall with curly brown hair nearly to her shoulders, and extremely friendly. Police are asking anyone who has seen Vigneau to call them at 603-330-7128.