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Geomagnetic storm on 29 Apr 1956 (G4)
Max Kp8-G4
Ap58No. 18 in 1956
Consecutive G1+ days6
Ap rank656since 1932
Kp by 3-hour slot (UTC)
8-
6+
6o
5+
4-
3+
2o
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 26 Apr 1956 | 8- | 40 | G4 |
| 27 Apr 1956 | 9- | 172 | G5 |
| 28 Apr 1956 | 7o | 64 | G3 |
| 29 Apr 1956 | 8- | 58 | G4 |
| 30 Apr 1956 | 6+ | 51 | G2 |
| 1 May 1956 | 5- | 20 | G1 |
| 2 May 1956 | 2o | 5 | – |
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 8-, Ap 58: No. 656 of 34,615 days since 1932 by Ap.