Maximum Kp index on February 13, 2004
Kp = 4
Maximum Kp index on February 13, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Honolulu on February 13, 2004
Time zone — UTC−10 (Honolulu | 21.31 N 157.83 W)
Geomagnetic storms in Honolulu in February 2004
Time zone — UTC−10 (Honolulu | 21.31 N 157.83 W)
Geomagnetic activity indices on February 13, 2004
| Geomagnetic index Ap | 21 |
|---|---|
| Solar radio flux F10.7 | 108 |