Coronal mass ejections, make their way to the Earth in 3-4 days, they collide with the magnetic field of the Earth and cause it to change its shape.
https://image.gsfc.nasa.gov/poetry/ask/a11534.html
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Here is a list of papers from Google Scholar on Dst forecasting using ML. https://scholar.google.com/scholar?hl=en&as_sdt=0%2C6&q=predicting+dst+solar+wind+machine+learning&btnG=
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