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Geomagnetic storm on 18 Jan 1955 (G4)
Max Kp8-G4
Ap59No. 2 in 1955
Consecutive G1+ days3
Ap rank626since 1932
Kp by 3-hour slot (UTC)
8-
7o
6-
2-
2+
4+
4o
4-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Jan 1955 | 0+ | 1 | – |
| 16 Jan 1955 | 2+ | 7 | – |
| 17 Jan 1955 | 7- | 43 | G3 |
| 18 Jan 1955 | 8- | 59 | G4 |
| 19 Jan 1955 | 6+ | 53 | G2 |
| 20 Jan 1955 | 4+ | 16 | – |
| 21 Jan 1955 | 4o | 9 | – |
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 8-, Ap 59: No. 626 of 34,615 days since 1932 by Ap.