The shear is at the upper levels. The shear pushed the upper levels of the storm SSW, but the low level flow which is WNW continued to push the low level center.
In effect the decoupling provided two low pressure area, one moving WNW at the lower levels of the atmosphere and the other moving SW at the upper levels.
Chris may not go down in history as a major cane, but it sure provided an interesting study.
HF had it nailed early and just when the NHC boys jumped on board, Chris pulled a 180 and fell in line with what many of the models were saying.
Hurricane predicting is a science, but there's still some art there too. There are too many factors at play that can and do happen that we can't predict. Inchris' casr the intensity forecasts were hardly every correct.
And as for global warming????? Heck it's plenty hot and yet the basic science of atmospheric flow took care of any high water temperatures.
Follow Chris today, it could conceivably bob around like a cork in water and find a better environment once again. Several storms last year did that in the Bahamas.
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