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 Austin on December 21, 2003
Time zone — UTC−06 (Austin | 30.27 N 97.75 W)
Geomagnetic storms in Austin in December 2003
Time zone — UTC−06 (Austin | 30.27 N 97.75 W)
Geomagnetic activity indices on December 21, 2003
| Geomagnetic index Ap | 21 |
|---|---|
| Solar radio flux F10.7 | 133 |