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Geomagnetic storm on 27 Nov 1990 (G3)
Max Kp7-G3
Ap45No. 19 in 1990
Consecutive G1+ days2
Ap rank1,216since 1932
Kp by 3-hour slot (UTC)
5-
4o
3+
3-
4+
7-
6+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 24 Nov 1990 | 2o | 2 | – |
| 25 Nov 1990 | 2o | 4 | – |
| 26 Nov 1990 | 3+ | 9 | – |
| 27 Nov 1990 | 7- | 45 | G3 |
| 28 Nov 1990 | 5- | 18 | G1 |
| 29 Nov 1990 | 2+ | 5 | – |
| 30 Nov 1990 | 3+ | 8 | – |
Highest-Ap days of 1990
124
102
99
89
79
77
76
75
70
69
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 45: No. 1,216 of 34,615 days since 1932 by Ap.