Kat, This dream is indicative of how much progress you have already made in cleaning out all the mental junk the WT has left in your head. I too have had many dreams similar to this one, but in them all I was certain I was going to be destroyed with the rest of the nonJWs. Your dream is very different in this; it is an Armaggedon dream, but minus the terror and destruction, and minus the fear or certainty that you will die. Because you live through this dream, its an affirmation that you ARE indeed right for leaving the JWs...in other words, you inner self seems at peace with your decision and you have managed to get around everything you have been taught prior to this!
Good Luck to you on your Journey!
AuSet