Maximum Kp index on February 18, 2008
Kp = 4
Maximum Kp index on February 18, 2008
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Fort Smith on February 18, 2008
Time zone — UTC−07 (Fort Smith | 60 N 111.87 W)
Geomagnetic storms in Fort Smith in February 2008
Time zone — UTC−07 (Fort Smith | 60 N 111.87 W)
Geomagnetic activity indices on February 18, 2008
| Geomagnetic index Ap | 12 |
|---|---|
| Solar radio flux F10.7 | 71 |