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Geomagnetic storm on 18 Sep 1979 (G3)
Max Kp7oG3
Ap64No. 5 in 1979
Consecutive G1+ days1
Ap rank509since 1932
Kp by 3-hour slot (UTC)
6-
5-
7o
6+
6-
6o
4o
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Sep 1979 | 3- | 8 | – |
| 16 Sep 1979 | 4- | 14 | – |
| 17 Sep 1979 | 4o | 11 | – |
| 18 Sep 1979 | 7o | 64 | G3 |
| 19 Sep 1979 | 3- | 6 | – |
| 20 Sep 1979 | 5o | 22 | G1 |
| 21 Sep 1979 | 5+ | 23 | G1 |
Highest-Ap days of 1979
126
77
76
68
64
59
54
54
52
47
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 64: No. 509 of 34,615 days since 1932 by Ap.