through the midwest and the plains over the weekend. thousands of people are picking up the people in dozen of towns. but our chief meteorologist rick reichmuth is live in the city where that twister hit. >> reporter: imagine a tornado hitting at 12:158 in the morning. a lot of people hope to rely on a tornado warning system. but a storm went through and hit the siren system so the siren did not sound. they don't create sirens to let people inside know there is a tornado. but a storm hits in the middle of the night, you can see this one -- it forms 50 miles from mere. it was moving 0 miles an hour at its forward speed. cutting a path from the southeast through this town. take a look here now at what's left of this residential area. these are solid homes. these are brick homes and they