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"El Nino" warm H2O coming south as result of gradient is air pressure
- get color pictures of 
1. world current circulations
. can get warm/cold differentiation because cumulus clouds may form over warm H2O, + not cold ... boundary 15 sharp
. larger currents cause eddies (W -> E in north).
starting at Japan across pacific 
[[diagram]]
eddies
Japan
underwater mountains (~ half-way)
large scale eddies
smaller scale eddies
vis.
"mountains" remove Energy, use eddies in W. Pac Atlantic... like W. Pac all the way across
. low salinity = lower density (sits on top)
               = higher reflectivity
. wake in H2O around island => current
(upwelling where low wave breaks off)
. clouds form as air warmed by island rises until it can condense (cloud)
[[diagram]]
wind
island
clouds