File name:


Title: El Niño and La Niña.
Caption: This animation has three components. The first shows normal atmosphere and ocean conditions in the Pacific Ocean with a fully developed Walker circulation cell. The second depicts the changes that occur with El Niño and the establishment of the Southern Oscillation. The third examines the processes that create a La Niña.
Keywords: atmosphere, oceans, El Nino, La Nina, surface currents, equatorial currents, Pacific Ocean, thermoclines, Walker circulation cells, atmospheric pressures, highs, lows, cyclones, trade winds, upwelling, Southern Oscillation