Open Access
Table 3
List of extreme events at mid-latitude according to the following criteria: Dst ≤ −200 nT and AL ≤ −2000 nT. Availability of local magnetic field data from all six observatories in Table 1 is also mandatory.
| Event # | Year | Month | Start day | End day | Dst peak (nT) | AL peak (nT) |
|---|---|---|---|---|---|---|
| 1 | 2000 | April | 6 | 7 | −288 | −2300 |
| 2 | 2000 | July | 15 | 16 | −301 | −2900 |
| 3 | 2000 | August | 10 | 13 | −235 | −2500 |
| 4 | 2001 | April | 11 | 12 | −271 | −2900 |
| 5 | 2001 | November | 5 | 7 | −292 | −2800 |
| 6 | 2001 | November | 24 | 25 | −221 | −3100 |
| 7 | 2003 | October | 29 | 31 | −353 | −3900 |
| 8 | 2003 | November | 20 | 21 | −422 | −4100 |
| 9 | 2004 | November | 7 | 8 | −374 | −3000 |
| 10 | 2015 | March | 17 | 18 | −222 | −2300 |
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