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Geomagnetic storm on 11 Oct 1937 (G3)
Max Kp7oG3
Ap46No. 12 in 1937
Consecutive G1+ days5
Ap rank1,107since 1932
Kp by 3-hour slot (UTC)
3-
3o
3+
4o
7o
6o
5+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Oct 1937 | 7- | 38 | G3 |
| 9 Oct 1937 | 6+ | 42 | G2 |
| 10 Oct 1937 | 6o | 38 | G2 |
| 11 Oct 1937 | 7o | 46 | G3 |
| 12 Oct 1937 | 5+ | 30 | G1 |
| 13 Oct 1937 | 4- | 14 | – |
| 14 Oct 1937 | 5- | 13 | G1 |
Highest-Ap days of 1937
128
74
72
71
67
65
61
56
53
50
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 46: No. 1,107 of 34,615 days since 1932 by Ap.