Flash floods are among the world’s deadliest natural disasters with more than 5 000 lives lost annually. Their social, economic and environmental impacts are significant. Accounting for approximately 85% of flooding cases, flash floods also have the highest mortality rate among different classes of flooding, including riverine and coastal. Flash floods differ from river floods in their short time scales and occurrence on small spatial scales, which makes flash flood forecasting a different challenge from large-river flood forecasting.
With support from Environment and Climate Change Canada, the Haiti Weather Systems Programme: Climate Services to Reduce Vulnerability project assists in the re-establishment and modernization of hydro-meteorological services in the country, while reducing its vulnerability to hazardous weather, climate and water events and climate change. The project helps the national meteorological and hydrological service, Unité Hydrologique et Météorologique (UHM), in meeting the information requirements and needs of the Haitian users for real-time applications, and addressing the disaster risk reducti