International Scholarly Research Notices

Research Article

[Retracted] On the Geoeffectiveness Structure of Solar Wind-Magnetosphere Coupling Functions during Intense Storms

Table 1

Classification of magnetic storms on the basis of the Dst index using the 1957–1993 measurements (after [17]).
ClassNumber%Dst range (nT)
Weak48244−30–−50
Moderate34632−50–−100
Strong (i.e., intense)20619−100–−200
Severe (very-intense)454−200–−350
Great61<−350