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Geomagnetic storm on 17 Aug 1958 (G3)
Max Kp7+G3
Ap82No. 7 in 1958
Consecutive G1+ days2
Ap rank283since 1932
Kp by 3-hour slot (UTC)
1+
2-
6o
4+
7-
7+
7+
7-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 14 Aug 1958 | 3+ | 7 | – |
| 15 Aug 1958 | 3+ | 9 | – |
| 16 Aug 1958 | 4- | 12 | – |
| 17 Aug 1958 | 7+ | 82 | G3 |
| 18 Aug 1958 | 5o | 20 | G1 |
| 19 Aug 1958 | 3+ | 11 | – |
| 20 Aug 1958 | 2o | 6 | – |
Highest-Ap days of 1958
200
199
131
103
89
85
82
82
77
75
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 82: No. 283 of 34,615 days since 1932 by Ap.