Maximum Kp index on December 20, 2004
Kp = 2
Maximum Kp index on December 20, 2004
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Columbia on December 20, 2004
Time zone — UTC−05 (Columbia | 34 N 81.04 W)
Geomagnetic storms in Columbia in December 2004
Time zone — UTC−05 (Columbia | 34 N 81.04 W)
Geomagnetic activity indices on December 20, 2004
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 94 |