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Geomagnetic storm on 13 Mar 1989 (G5)
Max Kp9oG5
Ap246No. 1 in 1989
Consecutive G1+ days8
Ap rank3since 1932
Kp by 3-hour slot (UTC)
6o
8-
9-
8+
8+
8+
9-
9o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 10 Mar 1989 | 4+ | 19 | – |
| 11 Mar 1989 | 4o | 17 | – |
| 12 Mar 1989 | 5o | 23 | G1 |
| 13 Mar 1989 | 9o | 246 | G5 |
| 14 Mar 1989 | 9o | 158 | G5 |
| 15 Mar 1989 | 7- | 49 | G3 |
| 16 Mar 1989 | 7- | 50 | G3 |
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 9o, Ap 246: No. 3 of 34,615 days since 1932 by Ap.