**Acknowledgements**

The author thanks the research scientists of data assimilation for the weather forecast, especially the authors of cited papers and websites. Also, the author thanks Ms. Silvia Sabo and Ms. Martina Scerbe, who are the author service managers for a great support of the author's writing activity. In the visualization, free software, the Grid Analysis and Display System (GrADS) developed by Center for Ocean-Land-Atmosphere Studies, Institute of Global Environment and Society, George Mason University, was used.

*On the Use of the Ensemble Kalman Filter for Torrential Rainfall Forecasts DOI: http://dx.doi.org/10.5772/intechopen.107916*
