Analysis of the connection of the interplanetary magnetic field structure with the AE index and forecasting of the magnetic activity

Considered are the significance and applicability of certain statistical couplings between the interplanetary magnetic field (IMF) and the magnetic activity indexes for the purposes of forecasting of the geomagnetic situation. Special attention is paid to the analysis of the correlation coupling between the Bsub(z) component of the IMF and AE index. It is shown that the coupling between the Bsub(z) and the AE index differs for various time intervals. Three basic trends of the likely forecast of the geomagnetic activity have been worked out. The first trend must be devoted to the study of the geomagnetic field components behaviour at the polar caprock, depending on the IMF components. The second trend deals with the statistical peculiarities of the IMF, solar wind parameters and geomagnetic activity. The third trend studies the relations between the Sun parameters and parameters of the IMF solar wind on the Earth orbit