Expert Team on Surface-based and basic Observing Networks (ET-SON)

The Expert Team on Surface-based and Basic Observing Networks (ET-SON) supports the development, coordination, and integration of surface-based and basic observing networks within WMO. It works to enhance data quality, accessibility, and consistency across WMO infrastructure and observational programs. This effort builds on previous WMO initiatives and expert teams in the domain of surface-based observations.

World Meteorological Organization logo and text marking the organization's 75th anniversary from 1950 to 2025 with the slogan "Science for Action.
See a current list of our experts and our Terms of Reference in the Contacts Directory.

Working groups

Visit the Sharepoint to access working documents