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Geomagnetic storm on 12 Sep 1942 (G3)
Max Kp7-G3
Ap54No. 6 in 1942
Consecutive G1+ days8
Ap rank744since 1932
Kp by 3-hour slot (UTC)
5o
6-
7-
6o
4-
5-
5-
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Sep 1942 | 3- | 6 | – |
| 10 Sep 1942 | 3+ | 8 | – |
| 11 Sep 1942 | 6o | 25 | G2 |
| 12 Sep 1942 | 7- | 54 | G3 |
| 13 Sep 1942 | 5o | 24 | G1 |
| 14 Sep 1942 | 5o | 31 | G1 |
| 15 Sep 1942 | 5- | 26 | G1 |
Highest-Ap days of 1942
111
80
70
62
56
54
52
48
47
46
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 54: No. 744 of 34,615 days since 1932 by Ap.