Part of a dataset collection on Hugging Face.
Hourly Disturbance Storm Time (Dst) index from WDC Kyoto -- the standard measure of geomagnetic storm intensity since 1957.
The Dst index measures the strength of the ring current -- a toroidal electric current flowing in the magnetosphere. During geomagnetic storms, the ring current intensifies and Dst drops sharply (e.g. -100 to -500 nT… See the full description on the dataset page:
https://huggingface.co/datasets/juliensimon/dst-index.
