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Ann. Geophys., 24, 989-999, 2006
www.ann-geophys.net/24/989/2006/
© European Geosciences Union 2006
Geomagnetic Dst index forecast based on IMF data only
G. Pallocchia, E. Amata, G. Consolini, M. F. Marcucci, and I. Bertello
Istituto di Fisica dello Spazio Interplanetario, Istituto Nazionale di Astrofisica, Rome, Italy
Abstract. In the past years several operational Dst forecasting algorithms,
based on both IMF and solar wind plasma parameters, have been developed and used.
We describe an Artificial Neural Network (ANN) algorithm which
calculates the Dst index on the basis of IMF data only and
discuss its performance for several individual storms.
Moreover, we briefly comment on the physical grounds which
allow the Dst forecasting based on IMF only.
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