Tornadoes reported in west Michigan; multiple buildings in Portage damaged: Live updates Detroit Free PressTornado-warned storms cause significant damage in Michigan as multiday severe weather outbreak continues Fox Weather Portage asks residents in storm-damaged areas to stay home Wednesday, 2 shelters open MLive.com4 tornadoes hit Michigan: Powerful storms to sweep across Central US USA TODAYMichigan Tornado Damages FedEx Facility | Weather.com The Weather Channel