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Geomagnetic storm on 3 Oct 1947 (G3)
Max Kp7-G3
Ap45No. 38 in 1947
Consecutive G1+ days3
Ap rank1,180since 1932
Kp by 3-hour slot (UTC)
7-
7-
5-
4o
4+
1+
2+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 30 Sep 1947 | 4+ | 11 | – |
| 1 Oct 1947 | 6- | 38 | G2 |
| 2 Oct 1947 | 7- | 61 | G3 |
| 3 Oct 1947 | 7- | 45 | G3 |
| 4 Oct 1947 | 3- | 9 | – |
| 5 Oct 1947 | 3- | 6 | – |
| 6 Oct 1947 | 3o | 9 | – |
Highest-Ap days of 1947
128
100
100
90
90
84
82
81
80
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 45: No. 1,180 of 34,615 days since 1932 by Ap.