Just what is El Nino? Mrs. Green talks to Zack Guido, Program Manager University of Arizona International Research and Application Program (IRAP) and Mike Crimmins, Associate Professor in the Department of Soil, Water and Environmental Science and Climate Science Extension Specialist for Arizona Cooperative Extension to learn the answers. As far as El Niños go, the one we’re experiencing now is a doozy. In fact, it’s probably the strongest that’s ever been measured. In the simplest terms, that means one thing: Get ready for another year of wild weather.