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Geomagnetic storm on 9 Mar 2012 (G4)
Max Kp8oG4
Ap87No. 1 in 2012
Consecutive G1+ days4
Ap rank245since 1932
Kp by 3-hour slot (UTC)
5-
6+
8o
7+
7-
6-
3o
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Mar 2012 | 3o | 9 | – |
| 7 Mar 2012 | 6o | 48 | G2 |
| 8 Mar 2012 | 5o | 25 | G1 |
| 9 Mar 2012 | 8o | 87 | G4 |
| 10 Mar 2012 | 5- | 19 | G1 |
| 11 Mar 2012 | 3+ | 10 | – |
| 12 Mar 2012 | 6+ | 32 | G2 |
Highest-Ap days of 2012
87
78
48
47
46
43
42
42
41
40
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Max Kp 8o, Ap 87: No. 245 of 34,615 days since 1932 by Ap.