S evere thunderstorms are set to intensify and affect much of the Midwest region, growing Friday afternoon and striking overnight and potentially throughout the weekend. The mid and lower parts of the Mississippi Valley, as well as parts of the Ohio Valley, will experience “widespread damaging winds with gusts from 70 to 90 m.p.h., and scattered large hail up to baseball size will be possible,” according to the National Weather Service . They also warned that a tornado outbreak is possible in