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Geomagnetic storm on 17 May 1956 (G3)
Max Kp7oG3
Ap52No. 19 in 1956
Consecutive G1+ days3
Ap rank820since 1932
Kp by 3-hour slot (UTC)
7o
6o
6-
5+
5o
3+
2+
2o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 14 May 1956 | 4o | 16 | – |
| 15 May 1956 | 6+ | 42 | G2 |
| 16 May 1956 | 8+ | 156 | G4 |
| 17 May 1956 | 7o | 52 | G3 |
| 18 May 1956 | 3+ | 9 | – |
| 19 May 1956 | 4- | 9 | – |
| 20 May 1956 | 6+ | 39 | G2 |
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 52: No. 820 of 34,615 days since 1932 by Ap.