ShopTalk | Weather Meteorologist Mark Torregrossa Out at WEYI By Merrill Knox on Aug. 31, 2012 - 10:34 AM Meteorologist Mark Torregrossa has parted ways with WEYI, the NBC affiliate in Flint. Torregrossa, who has been WEYI’s chief meteorologist since 2003, confirmed to mlive.com that he is no longer at the station. WEYI decline ...