A flood warning is issued when the river first exceeds the flood level and can be re-issued if a new forecast for the river and for the point to be reached is significantly higher than the previous forecast. Prevention through early warning systems is considered one of the most important elements of disaster management in the world. Flood forecasting is possible with the modern tools of science giving us a very big advantage. It is extremely important to be able to anticipate a sudden flood and immediately activate the Early Warning System”