Maximum Kp index on December 21, 2003
Kp = 4
Maximum Kp index on December 21, 2003
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Thunder bay on December 21, 2003
Time zone — UTC−05 (Thunder bay | 48.42 N 89.28 W)
Geomagnetic storms in Thunder bay in December 2003
Time zone — UTC−05 (Thunder bay | 48.42 N 89.28 W)
Geomagnetic activity indices on December 21, 2003
| Geomagnetic index Ap | 21 |
|---|---|
| Solar radio flux F10.7 | 133 |