I had a dream with a tornado?

I had a dream i was with 2 cousins i left one with a guy and i dont know what happen with the other one then i met a random friend and started walking with them then all of a sudden i see a tornado forming and i see it is going left so we run right and get away from it then i see another one and get away from it then the third one went into a glass building and left, went it went into this glass building the glass just all smashed and it we moved to get away from the glass but it just landed everywher then all of a sudden the scene changed and i was with my family at the airport after the tornado we were going to europe