HydroSoS Training in South America Strengthens Regional Hydrological Status Assessment Capacities

Project update
18 November 2025

From 10 to 14 November 2025, a regional HydroSOS training workshop was successfully delivered in Lima, Peru, bringing together hydrology experts from nine South American countries under the framework of ENANDES and ENANDES+.

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A group of people pose for a photo in a conference room, standing in front of a Senamhi banner and a projection screen.

The activity marked a key milestone in strengthening regional capacities for hydrological status assessments and sub-seasonal to seasonal (S2S) hydrological outlooks, which directly support climate adaptation and risk-informed decision-making across the Andes and the wider South American region.

The training followed a three-phase capacity development approach. It included self-paced learning, instructor-led online sessions, and an intensive in-person workshop. The training was designed to ensure both conceptual alignment and hands-on operational readiness, as well as providing flexibility and allowing replication. Participants worked with their own national hydrological datasets, applying HydroSOS methodologies and tools to generate hydrological status products and outlooks relevant to their national contexts. 

A major outcome of the Lima workshop was the successful submission of national hydrological status results to the HydroSOS Portal, run by the UK Centre for Ecology & Hydrology (UKCEH). This achievement demonstrated the ability of participating National Meteorological and Hydrological Services (NMHSs) to integrate HydroSOS workflows into operational environments and regional information exchange mechanisms. 

The activity directly contributes to the objectives of ENANDES and ENANDES+, which emphasize regional collaboration, harmonized methodologies, and the co-development of climate and hydrological services tailored to user needs. By strengthening technical interoperability, fostering a community of practice, and advancing common standards for hydrological monitoring and outlooks, HydroSOS is becoming a key enabling mechanism for regional hydroclimate services in South America. ENANDES spearheaded this kind of training, which, after its success, will be replicated in other regions. 

The HydroSOS training also represents a key element for the ENANDES Project, as it adds the last-mile hydrological component to the climate services value chain. While ENANDES focuses on strengthening climate adaptation capacity from a climate perspective, HydroSoS provides the essential hydrological component for integrated adaptation.

Lastly, the Lima training highlighted priority needs for the region, including sustained capacity development, improved data interoperability, and continued support for operational implementation. These insights will inform future HydroSOS activities, reinforcing the long-term sustainability and regional ownership of hydrological status and outlook services.