If you stay within the jetstream, it is a surprisingly smooth ride - a bit like being in a canoe in a middle of a fast flowing current in a river. Jetstreams t

If you stay within the jetstream, it is a surprisingly smooth ride - a bit like being in a canoe in a middle of a fast flowing current in a river. Jetstreams tend to be fairly long and continuous. Where it gets bumpy is if you are transitioning in or out of the jetstream zone - a bit like the abovementioned canoe hitting some rapids in a shallow part of the river.