Maximum Kp index on December 18, 2004
Kp = 4
Maximum Kp index on December 18, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Saint john's on December 18, 2004
Time zone — UTC−03:30 (Saint john's | 47.58 N 52.69 W)
Geomagnetic storms in Saint john's in December 2004
Time zone — UTC−03:30 (Saint john's | 47.58 N 52.69 W)
Geomagnetic activity indices on December 18, 2004
| Geomagnetic index Ap | 12 |
|---|---|
| Solar radio flux F10.7 | 91 |