Calibration 2 Calibration techniques Climate prediction centers 2 Climatology 2 Comparison of methods 2 Data sets 2 Ensemble members 2 Ensemble systems 2 Gages 2 Meteorological instruments 2 Morphing techniques 2 Precipitation forecast 2 Quantitative precipitation forecast 2 Rain 2 Rain gauges 2 South America Static and dynamic 2 Systematic bias 2 Warm seasons 2 Weather forecasting 2 calibration 2 climate prediction 2 comparative study 2 ensemble forecasting 2 precipitation (climatology) 2 probability 2 quantitative analysis 2 raingauge 2 reliability analysis 2 weather forecasting 2