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Geomagnetic storm on 25 May 1956 (G3)
Max Kp7oG3
Ap69No. 12 in 1956
Consecutive G1+ days4
Ap rank427since 1932
Kp by 3-hour slot (UTC)
7o
7o
7o
6o
4o
3+
2o
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 22 May 1956 | 4+ | 18 | – |
| 23 May 1956 | 7- | 28 | G3 |
| 24 May 1956 | 7o | 95 | G3 |
| 25 May 1956 | 7o | 69 | G3 |
| 26 May 1956 | 5- | 13 | G1 |
| 27 May 1956 | 3+ | 8 | – |
| 28 May 1956 | 4+ | 11 | – |
Highest-Ap days of 1956
172
156
103
102
95
86
84
82
80
78
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 69: No. 427 of 34,615 days since 1932 by Ap.