Modeling the interactions between the atmosphere and ocean has become a very active research area in the meteorological and oceanographic communities in recent years. Several factors have contributed to this trend. Most prominently, perhaps, is the great public interest in climate change, i.e. global warming, and the role that atmosphere-ocean interactions have on the Earth’s climate. But atmosphere-ocean interactions are not just important on climate change time scales. During 1997 and 1998 a major EI-Niño event demonstrated how dramatically changes to global air-sea interactions patterns affect even short-term weather behavior around the world. The societal and economic impacts of both climate change and anomalous weather during EI-Niño events are enormous, so clearly improving our ability to accurately model atmosphere-ocean interaction must be a top priority for the meteorological and oceanographic communities.