miles per hour, on the ground for more than 30 miles. ripping apart home after home, decimating neighborhoods. ten members of george grieb s family emerging from the basement to find their roof completely gone. well, i mean, it was just disbelief because, you know, i walked up our basement stairs and i looked up into the sky. reporter: at kansas city s airport, people taking cover in parking garage tunnels, debris landing on the airfield. in the northeast, an ef-2 tornado touching down north of philadelphia. and an ef-1 in sussex county, new jersey, as students were gathered for a high school track and field banquet. it happened so fast. we didn t have time to react and run. reporter: sheltering in the gym to wait out the storm. and groundstops for a time at new york s airports. gio benitez live with us from linwood, kansas, where i mentioned that ef-4 tornado hit. i know there were some injuries, gio, but remarkably, everyone survived this.