I remember vividly one in at centenary pool in herston years ago
it started in the car park outside ,pulled up cans and paper then moved across the building in front of us ,it was kinda funny at first ,but as it grew and kept coming it became pretty scary , it moved over the pool and just pulled up this massive water spout ,we ran out of its way ,I still remember looking back at a bunch of girls who were just screaming as this thing came at them . it knocked them over and threw there gear around then it was gone in a second .. this one guy was standing there looking up saying its got my towel ..LOL..and right he was it was a tiny speck way up in the sky .. he went off walking following it and it dropped to the ground a km away down towards the valley.
Imagine one of those big suckers in the states moving towards you