Convenor:  Ellen Clarke (UK)
Co-Convenors: Anatoly Soloviev (Russia), Timo Asikainen (Finland), Arnaud Chulliatv(USA), Aude Chambodut (France)

Geomagnetic observatory data, on time scales of centuries to seconds, and magnetic data from other platforms such as variometer stations and satellites, all provide a unique resource for research in solar terrestrial physics. They are essential to help advance our understanding of Space Weather and in turn to support the management of the industrial and societal impacts it can have. Long time series of magnetic parameters can be used, on their own or in combination with data from other disciplines, in the development of space weather models as well as help to disentangle the causes of short and long term ionospheric, magnetospheric and solar climatological changes. On the other hand, near real-time nowcasts and forecasts of these same parameters are essential for the transition of the knowledge and models gained from such research into operational tools that are able to provide reliable services to help mitigate the effects on technological systems.

We welcome contributions on all aspects of the new and innovative uses of magnetic data, including but not limited to, new research from modern data products such as one-second data and satellite data; new research from old (rescued) data; the suitability of indices for specific studies and applications; new techniques for geomagnetic activity prediction; metrics for verification of models and forecasts; monitoring and real-time operational services; the use of century-long time-series to remotely diagnose changes in the sun-earth system; and new methods to successfully integrate ground and satellite based data for research and applications. Contributions are encouraged, from both scientific and practical aspects, that improve our understanding and mitigation of the changes due to space weather and space climate.