what happened. cnn's casey wian is in joplin with one family's dramatic story of survival. >> a beautiful house in a joplin, missouri, suburb, reduced to a memory. it belonged to jim and stacy richards who are just now telling a harrowing tale of survival. jim was at work when the tornado struck. >> i started to come home. i got a text from my wife. the first couple were gibberish and finally it came through saying help, roof snund then came a desperate voice mail from stacy. jim hasn't been able himself to listen to all of it until now. >> help! >> there was this kind of pressure in my ears. and the next thing i know is the dirt and grit and stuff was hitting me in the face. i realized that the roof was coming off. >> and she was in between those two kennels. >> these two kennels yes, trying to have one hand on top of each.