Experimental seasonal hydrologic forecasting for the Western U.S. Dennis P. Lettenmaier Andrew W. Wood, Alan F. Hamlet Climate Impacts Group University of Washington Climate Prediction Applications Workshop Tallahassee, FL March 10, 2004 Project Domain / Website Forecasting System Evolution 1998-9 Ohio R. basin w/ COE: First tried climate model-based seasonal forecasts on experimental (retrospective) basis 2000 Eastern US: First attempted real-time seasonal forecasts