Overview of NOAA's role ... Public Affairs Why and how we study El Niño ... NOAA Climate Program Office National Marine Fisheries Service Climate Diagnostic Center Pacific Marine Environmental Laboratories Impacts of ENSO on US Tornadic Activity ... Center for Ocean-Atmospheric Prediction Studies (COAPS) at FSU El Niño & North American West coast precipitation ... from the Western Regional Climate Center El Niño/La Niña research and references ...Climate Diagnostics Center