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Table 1
List of examined magnetic storm intervals and maxima in H and dH/dt.
| Storm period | Max dH [nT] |
Max dH/dt [nT/s] |
Power line cuts | OMNI SW data | ||||
|---|---|---|---|---|---|---|---|---|
| ABK | LOV | BFE | ABK | LOV | BFE | |||
| 13–14 Jul 1982 | 3155 | 5381 | 4036 | 26.3 | 44.8 | 24.0 | 14 reports | no |
| 8–9 Feb 1986 | 2727 | 2117 | 1093 | 17.0 | 21.1 | 9.7 | 5 reports | no |
| 13–14 Mar 1989 | 2139 | 3007 | 2969 | 20.9 | 11.6 | 32.8 | 9 reports | no |
| 6–7 Apr 2000 | 771 | 1315 | 1260 | 4.9 | 7.2 | 9.9 | no reports | yes |
| 15–16 Jul 2000 | 1450 | 1252 | 1250 | 5.5 | 6.6 | 10.5 | no reports | yes |
| 29–30 Oct 2003 | 3695 | 2423 | 1686 | 21.3 | 11.1 | 10.1 | Malmö outage | no |
Note. For the three selected observatories, the maxima in the total horizontal component, H = (X2 + Y2)½, and the time derivative, dH/dt = ((dX/dt)2 + (dY/dt)2)½, are emphasized in bold letters.
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