Flood Forecasting and Prevention Methods

Flood forecasting and warning is one of the tasks that is in the first place of importance from the point of view of preserving life and the second place in terms of maintaining property. Flood is one of the natural disasters that occurs abruptly due to excessive precipitation in an area. The causes of flood can be attributed to physical and human factors. The mountainous nature of the country and the presence of numerous flood-prone areas, as well as the devastating floods of recent years and position of residential areas in the course of floods, indicate the magnitude and importance of the subject. Nowadays, the necessity of using modern methods and creating a center for flood forecasting and warning, and the use of radar and satellite information is seriously felt. To control flood and reduce its effects, measures such as improving buildings’ resistance, environmental control and construction of barriers are effective. This paper examines the simple definition of flood and the role of meteorology in prediction of floods and its methods.