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 Austin on December 19, 2004
Time zone — UTC−06 (Austin | 30.27 N 97.75 W)
Geomagnetic storms in Austin in December 2004
Time zone — UTC−06 (Austin | 30.27 N 97.75 W)
Geomagnetic activity indices on December 19, 2004
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 94 |