198 miles per hour. now this massive tornado was three quarters of a mile wide. it stayed on the ground long enough to carve a six-mile scar through the heart of this heavily populated area. even though we still don't have a final number on fatalities, the national weather service says this was the single deadliest tornado since 1950, the year they began keeping records. and around me you're looking at pictures from when the sun was up yesterday, the sun still some time from coming up. the pictures haven't changed. debris, personal belongings, and many cases belongings from miles and miles away. determined search and rescue teams are trying to find survivors this morning. they're all over. the stormy weather overnight has really slowed things down. 17 people, however, were found alive in the wreckage that stretches for miles around me. casey wian has been following that for us, including one of the survivor's pulled from that building over there, a solid