Big data 1 Classification (of information) 1 Classification technique 1 Climate variation Data fusion 1 Decision trees 1 Extreme climates 1 Fuzzy logic 1 Hidden patterns 1 Historical weather datum 1 Learning algorithms 1 Machine learning techniques 1 Machine-learning 1 Outdoor activities 1 Prediction systems 1 Rain 1 Rainfall prediction 1 Smart city 1 Support vector machines 1 Weather forecasting 1 big data 1 data fusion 1 fuzzy system 1 hydrological model 1 information systems 1 machine learning 1 precipitation 1 rainfall 1 rainfall prediction 1 smart cities 1