1. Introduction. Forecasting Applications. Operational Forecasting. Decision Support.- Part I. Techniques. 2. Monitoring. Meteorological Observations. Hydrological Observations. Monitoring Networks. 3. Meteorological Forecasting. Forecasting Techniques. Operational Considerations. 4. Hydrological Forecasting. Forecasting Techniques. Operational Considerations. 5. Demand Forecasting. Water Supply. Irrigation. Power Generation. 6. Decision...