The phenomenon of the counterclockwiseloop of a moving vortex is clearly shown, and the changing asymmetry with time may serve as a precursor for this phenomenon.
结果显示出涡旋移行过程中逆时针打转的现象，该现象有清楚的前兆可寻。
2
However, there is also an eddy of cooler water (purple) circulating counterclockwise at the top of the Loop Current.