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Geomagnetic storm on 12 Nov 1981 (G3)
Max Kp7-G3
Ap39No. 26 in 1981
Consecutive G1+ days2
Ap rank1,685since 1932
Kp by 3-hour slot (UTC)
6o
7-
5o
5-
3o
2+
1o
1o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Nov 1981 | 2o | 4 | – |
| 10 Nov 1981 | 4o | 13 | – |
| 11 Nov 1981 | 6o | 31 | G2 |
| 12 Nov 1981 | 7- | 39 | G3 |
| 13 Nov 1981 | 3o | 5 | – |
| 14 Nov 1981 | 5o | 27 | G1 |
| 15 Nov 1981 | 5- | 20 | G1 |
Highest-Ap days of 1981
134
121
96
81
78
73
72
67
62
61
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 7-, Ap 39: No. 1,685 of 34,615 days since 1932 by Ap.