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Geomagnetic storm on 15 Apr 1971 (G3)
Max Kp7-G3
Ap36No. 16 in 1971
Consecutive G1+ days2
Ap rank2,024since 1932
Kp by 3-hour slot (UTC)
7-
5-
3-
4+
5-
3-
3+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 12 Apr 1971 | 4- | 10 | – |
| 13 Apr 1971 | 3- | 8 | – |
| 14 Apr 1971 | 8- | 39 | G4 |
| 15 Apr 1971 | 7- | 36 | G3 |
| 16 Apr 1971 | 4o | 15 | – |
| 17 Apr 1971 | 3o | 8 | – |
| 18 Apr 1971 | 4- | 11 | – |
Highest-Ap days of 1971
73
67
53
50
47
45
43
43
39
39
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 36: No. 2,024 of 34,615 days since 1932 by Ap.