1. Vietnam National Center for Hydro-Meteorological Forecasting, 8 Phao Dai Lang Str., Hanoi 100000, Vietnam
2. Institute of Engineering Innovation, The University of Tokyo, Tokyo 113-8656, Japan
3. Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 82467 Garmisch-Partenkirchen, Germany
4. Norwegian Meteorological Institute, 5007 Bergen, Norway