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Geomagnetic storm on 20 Jan 1989 (G3)
Max Kp7-G3
Ap45No. 28 in 1989
Consecutive G1+ days3
Ap rank1,212since 1932
Kp by 3-hour slot (UTC)
3o
2-
2o
3-
6+
7-
6-
5o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 17 Jan 1989 | 5o | 28 | G1 |
| 18 Jan 1989 | 4o | 15 | – |
| 19 Jan 1989 | 3- | 7 | – |
| 20 Jan 1989 | 7- | 45 | G3 |
| 21 Jan 1989 | 5- | 28 | G1 |
| 22 Jan 1989 | 5+ | 30 | G1 |
| 23 Jan 1989 | 4+ | 22 | – |
Highest-Ap days of 1989
246
158
146
112
109
78
77
76
71
70
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 7-, Ap 45: No. 1,212 of 34,615 days since 1932 by Ap.