Gerhard Adrian Reflects on 50 Years of Numerical Weather Prediction in IMO Lecture

19 June 2025
Gerhard Adrian, recipient of the 2024 International Meteorological Organization (IMO) Prize, delivers a landmark lecture tracing five decades of progress in numerical weather prediction (NWP).

In his IMO Lecture, Professor Gerhard Adrian, former President of WMO and the German Weather Service (DWD), shares a personal and professional journey through the evolution of numerical weather prediction—from early theoretical foundations to today’s advanced, high-resolution models. The lecture marks a compelling milestone, not only in Professor Adrian’s distinguished career but also in the science of global weather forecasting.

Titled “Following 50 Years of the Evolution of Numerical Weather Prediction – From My Personal Perspective,” the lecture highlights the growing accuracy of forecasts, advances in computing power, and the international cooperation that have shaped modern meteorology. It showcases the critical role of institutions such as WMO, ECMWF, and EUMETSAT in global collaboration, and underlines how innovations like the open-source ICON model now support national meteorological and hydrological services (NMHSs) around the world.

This reflection comes at a pivotal time, reinforcing the value of seamless forecasting, open data exchange, and cutting-edge modelling in addressing today’s pressing challenges—from climate risk to energy transition and disaster resilience.

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Gerhard Adrian
Gerhard Adrian, Former President, WMO
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