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Geomagnetic storm on 22 Aug 1937 (G4)
Max Kp8oG4
Ap74No. 2 in 1937
Consecutive G1+ days1
Ap rank359since 1932
Kp by 3-hour slot (UTC)
1+
6o
8o
8-
6-
3o
4+
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 19 Aug 1937 | 2+ | 5 | – |
| 20 Aug 1937 | 2- | 3 | – |
| 21 Aug 1937 | 2+ | 5 | – |
| 22 Aug 1937 | 8o | 74 | G4 |
| 23 Aug 1937 | 3- | 5 | – |
| 24 Aug 1937 | 1- | 2 | – |
| 25 Aug 1937 | 1+ | 2 | – |
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 8o, Ap 74: No. 359 of 34,615 days since 1932 by Ap.