Maximum Kp index on December 28, 2004
Kp = 4
Maximum Kp index on December 28, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Topeka on December 28, 2004
Time zone — UTC−06 (Topeka | 39.04 N 95.69 W)
Geomagnetic storms in Topeka in December 2004
Time zone — UTC−06 (Topeka | 39.04 N 95.69 W)
Geomagnetic activity indices on December 28, 2004
| Geomagnetic index Ap | 16 |
|---|---|
| Solar radio flux F10.7 | 105 |