Aurora & Space WeatherHome › Geomagnetic history › 1937
Geomagnetic storm on 31 Mar 1937 (G3)
Max Kp7+G3
Ap53No. 9 in 1937
Consecutive G1+ days1
Ap rank779since 1932
Kp by 3-hour slot (UTC)
2+
5+
7+
5+
4-
5-
5-
5o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 28 Mar 1937 | 5- | 20 | G1 |
| 29 Mar 1937 | 3- | 6 | – |
| 30 Mar 1937 | 4o | 9 | – |
| 31 Mar 1937 | 7+ | 53 | G3 |
| 1 Apr 1937 | 3- | 7 | – |
| 2 Apr 1937 | 5o | 22 | G1 |
| 3 Apr 1937 | 5o | 25 | 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 7+, Ap 53: No. 779 of 34,615 days since 1932 by Ap.