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Geomagnetic storm on 12 Apr 1981 (G3)
Max Kp7oG3
Ap96No. 3 in 1981
Consecutive G1+ days4
Ap rank185since 1932
Kp by 3-hour slot (UTC)
7o
7o
6-
5o
7o
6+
6-
6+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Apr 1981 | 4- | 8 | – |
| 10 Apr 1981 | 3o | 8 | – |
| 11 Apr 1981 | 6+ | 39 | G2 |
| 12 Apr 1981 | 7o | 96 | G3 |
| 13 Apr 1981 | 8+ | 121 | G4 |
| 14 Apr 1981 | 5o | 27 | G1 |
| 15 Apr 1981 | 3o | 8 | – |
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 7o, Ap 96: No. 185 of 34,615 days since 1932 by Ap.