In thinking about my crash more I don't think I was lifted... that was my explanation before discovering that Drizzits fork had broken in exactly the same way. I think the fork failed and I went down. I think the lifting sensation I felt was the wheel and fork fighting and they crashed me.
My hand were on the bars when I went down, I didn't hit anything and I didn't pull the bars sideways, I was riding along and then I was sliding along.