At 647 PM EDT, Doppler radar was tracking a strong thunderstorm near the Twin Lakes Area, moving northeast at 25 mph. HAZARD. Wind gusts up to 40 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. West Branch, St. Helen, Clear Lake, and Twin Lakes Area.

* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. A portion of Northern Lower Michigan, including the following counties, Alcona, Alpena, Antrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet, Grand Traverse, Kalkaska, Leelanau, Montmorency, Oscoda, Otsego and Presque Isle. * WHEN. From 2 AM EDT Saturday through Sunday morning. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Repeated rounds of heavy rainfall are expected later tonight, through the day on Saturday, and into the overnight hours Saturday night. Widespread 2 to 4 inch rain amounts are likely with isolated higher amounts possible. - http://www.weather.gov/safety/flood