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Geomagnetic storm on 21 Sep 1963 (G3)
Max Kp7oG3
Ap44No. 12 in 1963
Consecutive G1+ days8
Ap rank1,270since 1932
Kp by 3-hour slot (UTC)
3-
4-
2-
2o
5+
7o
6+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Sep 1963 | 4+ | 15 | – |
| 19 Sep 1963 | 5- | 26 | G1 |
| 20 Sep 1963 | 3+ | 13 | – |
| 21 Sep 1963 | 7o | 44 | G3 |
| 22 Sep 1963 | 9- | 126 | G5 |
| 23 Sep 1963 | 9- | 78 | G5 |
| 24 Sep 1963 | 6o | 18 | G2 |
Highest-Ap days of 1963
126
82
78
74
63
60
58
48
46
46
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. 1,270 of 34,615 days since 1932 by Ap.