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Geomagnetic storm on 12 Jul 1985 (G3)
Max Kp7-G3
Ap48No. 8 in 1985
Consecutive G1+ days2
Ap rank1,036since 1932
Kp by 3-hour slot (UTC)
4+
5o
4-
5+
5o
5o
7-
3o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Jul 1985 | 4o | 8 | – |
| 10 Jul 1985 | 3+ | 8 | – |
| 11 Jul 1985 | 3+ | 10 | – |
| 12 Jul 1985 | 7- | 48 | G3 |
| 13 Jul 1985 | 5- | 20 | G1 |
| 14 Jul 1985 | 4+ | 16 | – |
| 15 Jul 1985 | 4- | 7 | – |
Highest-Ap days of 1985
103
66
61
60
58
53
52
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 7-, Ap 48: No. 1,036 of 34,615 days since 1932 by Ap.