Dream of chased, roof

I was being chased by a tornado from basement to basement, running across a field to another basement until the tornado would rip off the roof and try to suck me up. I would hold on to a piece of metal tubing as the tornado would try to lift me into it. Then the wind would leave and I'd run to another basemen. In the field I see people whom I used to know, then I look back to the farmhouse for a second; look back at the field and the tornado is there, where they used to be