Maximum Kp index on December 19, 2004
Kp = 2
Maximum Kp index on December 19, 2004
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Seattle on December 19, 2004
Time zone — UTC−08 (Seattle | 47.62 N 122.35 W)
Geomagnetic storms in Seattle in December 2004
Time zone — UTC−08 (Seattle | 47.62 N 122.35 W)
Geomagnetic activity indices on December 19, 2004
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 94 |