Introduction.

Different environmental hazards associated with water converge in Santiago de Cuba, which constitutes a permanent threat to human life and to the socioeconomic development of the province (heavy rains, floods, tropical cyclones, among others). Its study in terms of disaster reduction is a priority for the Cuban State. Objective: Doing a group of research and development actions in order to assess the hazard, vulnerability and risk caused by water in nature, and in water supply systems of Santiago de Cuba province, in the face of the impact of environmental phenomena.

Methods.

Investigations of a multidisciplinary group structured in three parts are integrated: Studies of hazard, vulnerability and risks (HVR) in water systems of Santiago de Cuba; studies of HVR in watersheds and vulnerability behavior due to the impact of capillarity humidity in buildings from the historical center of Santiago de Cuba city.

Results.

Tools and solutions to strengthen forecasting and early warning systems for the population and institutions involved. Design of a new procedure for risk management based on the theory of processes, vulnerability studies in water supply systems, and water as a phenomenon of capillarity humidity in buildings. Watersheds diagnostics and flood modeling; the monthly rainfall series for the province was updated, as well as the design of professional software for early warning of extreme hydrometeorological events and community actions to improve risk culture.

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