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Geomagnetic storm on 14 Jun 1990 (G4)
Max Kp8-G4
Ap79No. 5 in 1990
Consecutive G1+ days3
Ap rank318since 1932
Kp by 3-hour slot (UTC)
6o
6+
3+
6-
7+
8-
4o
3o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 11 Jun 1990 | 3o | 11 | – |
| 12 Jun 1990 | 8+ | 89 | G4 |
| 13 Jun 1990 | 8- | 70 | G4 |
| 14 Jun 1990 | 8- | 79 | G4 |
| 15 Jun 1990 | 4- | 9 | – |
| 16 Jun 1990 | 2+ | 5 | – |
| 17 Jun 1990 | 1o | 3 | – |
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 8-, Ap 79: No. 318 of 34,615 days since 1932 by Ap.