tornadoes touched down in parts of the south tonight. there are reports that two people were killed in alabama. parts of mississippi sustained severe damage today. and millions of people across the south and midwest are warned to be on alert for more performance twisters. violent storms yesterday killed 16 people in three states. let's check in with martin savidge in tupelo, mississippi. >> reporter: it had been a quiet spring tornado wise until just these past two days. take a look behind me because this is the only light you'll see north of tupelo. well for as far as the eye can see from this particular vantage point. somebody brought in portable generators and illuminated the background. otherwise it's red and blue emergency lighting. look closely what is that.