Maximum Kp index on December 18, 2017
Kp = 4
Maximum Kp index on December 18, 2017
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Sacramento on December 18, 2017
Time zone — UTC−08 (Sacramento | 38.56 N 121.47 W)
Geomagnetic storms in Sacramento in December 2017
Time zone — UTC−08 (Sacramento | 38.56 N 121.47 W)
Geomagnetic activity indices on December 18, 2017
| Geomagnetic index Ap | 17 |
|---|---|
| Solar radio flux F10.7 | 72 |