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Geomagnetic storm on 9 Feb 1986 (G5)
Max Kp9-G5
Ap100No. 2 in 1986
Consecutive G1+ days3
Ap rank168since 1932
Kp by 3-hour slot (UTC)
9-
8-
5+
5-
5o
6+
5+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Feb 1986 | 4o | 11 | – |
| 7 Feb 1986 | 8- | 82 | G4 |
| 8 Feb 1986 | 9o | 202 | G5 |
| 9 Feb 1986 | 9- | 100 | G5 |
| 10 Feb 1986 | 3+ | 10 | – |
| 11 Feb 1986 | 5- | 20 | G1 |
| 12 Feb 1986 | 4o | 18 | – |
Highest-Ap days of 1986
202
100
89
82
67
67
49
46
43
43
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 9-, Ap 100: No. 168 of 34,615 days since 1932 by Ap.