Severe thunderstorm warning issued.

Mason and Manistee counties are under a severe thunderstorm warning until 12:45 a.m. At 11:47 p.m., severe thunderstorms were located along a line extending from 9 miles west of Orchard Beach State Park in Manistee County to 19 miles west of Ludington State Park, moving southeast at 55 mph. Wind gusts up to 60 mph and penny size hail are possible.