Which is false regarding the El Niño Southern Oscillation (ENSO) phenomenon?
◦ It creates the largest variation in climate from year to year on a global scale.
◦ It involves higher than normal pressure in the western Pacific and lower than normal pressure in the eastern Pacific, reversing the trade winds.
◦ It brings rain to some areas and drought to others, but these effects are neither predictable nor consistent.
◦ It is linked to droughts in India, floods in the southwestern U.S., and droughts in South Africa and Australia.
◦ It is completely understood now, and can be predicted decades in advance.