Maximum Kp index on August 18, 2011
Kp = 2
Maximum Kp index on August 18, 2011
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Fort Smith on August 18, 2011
Time zone — UTC−06 — summer time (Fort Smith | 60 N 111.87 W)
Geomagnetic storms in Fort Smith in August 2011
Time zone — UTC−06 — summer time (Fort Smith | 60 N 111.87 W)
Geomagnetic activity indices on August 18, 2011
| Geomagnetic index Ap | 3 |
|---|---|
| Solar radio flux F10.7 | 98 |