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Geomagnetic storm on 29 Jul 1977 (G3)
Max Kp7-G3
Ap61No. 6 in 1977
Consecutive G1+ days1
Ap rank582since 1932
Kp by 3-hour slot (UTC)
6o
7-
6o
5+
7-
4+
3-
2o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 26 Jul 1977 | 1+ | 3 | – |
| 27 Jul 1977 | 2- | 3 | – |
| 28 Jul 1977 | 1+ | 4 | – |
| 29 Jul 1977 | 7- | 61 | G3 |
| 30 Jul 1977 | 4+ | 17 | – |
| 31 Jul 1977 | 3- | 8 | – |
| 1 Aug 1977 | 3- | 6 | – |
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 7-, Ap 61: No. 582 of 34,615 days since 1932 by Ap.