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Geomagnetic storm on 6 Apr 1977 (G3)
Max Kp7oG3
Ap49No. 7 in 1977
Consecutive G1+ days3
Ap rank970since 1932
Kp by 3-hour slot (UTC)
4o
4o
3o
2-
4-
6-
6+
7o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Apr 1977 | 4o | 12 | – |
| 4 Apr 1977 | 5+ | 24 | G1 |
| 5 Apr 1977 | 4- | 12 | – |
| 6 Apr 1977 | 7o | 49 | G3 |
| 7 Apr 1977 | 7- | 48 | G3 |
| 8 Apr 1977 | 5- | 27 | G1 |
| 9 Apr 1977 | 4+ | 22 | – |
Highest-Ap days of 1977
69
66
64
63
62
61
49
48
48
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 49: No. 970 of 34,615 days since 1932 by Ap.