Aurora & Space WeatherHome › Geomagnetic history › 1985
Geomagnetic storm on 30 Nov 1985 (G3)
Max Kp7+G3
Ap52No. 7 in 1985
Consecutive G1+ days3
Ap rank837since 1932
Kp by 3-hour slot (UTC)
7+
5+
6-
5-
5+
3+
3+
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 27 Nov 1985 | 5- | 20 | G1 |
| 28 Nov 1985 | 3+ | 8 | – |
| 29 Nov 1985 | 7- | 37 | G3 |
| 30 Nov 1985 | 7+ | 52 | G3 |
| 1 Dec 1985 | 5- | 15 | G1 |
| 2 Dec 1985 | 4- | 14 | – |
| 3 Dec 1985 | 3+ | 9 | – |
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 52: No. 837 of 34,615 days since 1932 by Ap.