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Geomagnetic storm on 14 Oct 1981 (G4)
Max Kp8oG4
Ap73No. 6 in 1981
Consecutive G1+ days2
Ap rank382since 1932
Kp by 3-hour slot (UTC)
8o
8-
4+
4-
3+
4-
5-
6-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 11 Oct 1981 | 6- | 46 | G2 |
| 12 Oct 1981 | 4o | 12 | – |
| 13 Oct 1981 | 6- | 17 | G2 |
| 14 Oct 1981 | 8o | 73 | G4 |
| 15 Oct 1981 | 4+ | 20 | – |
| 16 Oct 1981 | 3+ | 8 | – |
| 17 Oct 1981 | 4+ | 18 | – |
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 8o, Ap 73: No. 382 of 34,615 days since 1932 by Ap.