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Geomagnetic storm on 28 Apr 1955 (G3)
Max Kp7oG3
Ap44No. 9 in 1955
Consecutive G1+ days3
Ap rank1,260since 1932
Kp by 3-hour slot (UTC)
7o
4-
5-
4o
3-
3+
4+
6-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 25 Apr 1955 | 3+ | 12 | – |
| 26 Apr 1955 | 4o | 17 | – |
| 27 Apr 1955 | 8- | 54 | G4 |
| 28 Apr 1955 | 7o | 44 | G3 |
| 29 Apr 1955 | 5o | 27 | G1 |
| 30 Apr 1955 | 4+ | 16 | – |
| 1 May 1955 | 3- | 6 | – |
Highest-Ap days of 1955
65
59
56
54
54
53
53
47
44
43
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 44: No. 1,260 of 34,615 days since 1932 by Ap.