Whitepaper #140 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: space weather applications; basic research. Additional topics: space weather research/operations/research loop; ground-based missions/projects; solar physics; […]
This white paper describes contextual observations from a ground-based network needed to fully exploit this new knowledge of the underlying physics that leads to the magnetic linkages between the heliosphere and the Sun. The combined understanding of small-scale processes and the global context will enable a physics-based approach to Space Weather comparable to Terrestrial Weather forecasting.