The area of flood forecasting and warning has traditionally been one to which WMO has dedicated considerable effort. This tradition is being continued with the publication of the Manual on Flood Forecasting and Warning. Floods are without doubt among the most devastating of natural disasters, striking numerous regions in the world each year. During the last decades the trend in flood damages has been growing exponentially. The development of hydrological forecasting and warning systems is therefore an essential element in regional and national strategies…/…