>> welcome back, a fox news weather alert. we're getting more, more video this morning, showing the sheer destruction in the south and midwest, relentless string of tornados, leaving 38 people dead and many others still missing this morning. >> clayton: let's get to the fox news chief meteorologist rick reichmuth, live in henryville in indiana and getting some the experts saying how devastating tornado was there. >> ef-4 tornado, goes to ef-5 in the rating system and this was ef-4, and harrisburg, illinois, similar to what was in tuscaloosa, alabama. i haven't heard the a wind rating, the miles per hour.