It's really amazing when you look at these loops.I see mass in motion is the first thought that comes to mind.The molecular structure and bond.The air out there is considered a fluid and the molecular bond of water is great.You have forces in action moving these little particles of water into significant masses.If you were to totally remove one item from the global equation like an ULL or front the chain reaction is far reaching.When I hear HF and Steve talk about things in the Pacific and it's impact on us down the road this is the only way I can visulize it.Just an observationl