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Geomagnetic storm on 20 Aug 1979 (G3)
Max Kp7oG3
Ap42No. 15 in 1979
Consecutive G1+ days4
Ap rank1,441since 1932
Kp by 3-hour slot (UTC)
3+
3-
4-
3-
3+
7o
6+
4+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 17 Aug 1979 | 3+ | 8 | – |
| 18 Aug 1979 | 5o | 11 | G1 |
| 19 Aug 1979 | 6- | 35 | G2 |
| 20 Aug 1979 | 7o | 42 | G3 |
| 21 Aug 1979 | 5o | 22 | G1 |
| 22 Aug 1979 | 3o | 12 | – |
| 23 Aug 1979 | 2o | 5 | – |
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 42: No. 1,441 of 34,615 days since 1932 by Ap.