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Rise above and it there's another storm system bringing rain and snow over the rockies. that strong jet stream in the higher levels of the atmosphere, thosel very strongly at a different angle than the winds at the surface. so it's that changing of the wind direction and speed. if you took a column of air in height and you change the direction in speed -- direction and speed, as you goç down, tht causes all of that rotation, and eventually that rotation tiltsç down towards the ground. >> i've never heard it explaineç so well. rick, one other thing. i've been meaning to ask you since last ...