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Geomagnetic storm on 30 Aug 1957 (G3)
Max Kp7-G3
Ap38No. 37 in 1957
Consecutive G1+ days9
Ap rank1,762since 1932
Kp by 3-hour slot (UTC)
7-
6-
4+
4+
2o
5-
3o
1o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 27 Aug 1957 | 4o | 19 | – |
| 28 Aug 1957 | 3+ | 10 | – |
| 29 Aug 1957 | 7- | 28 | G3 |
| 30 Aug 1957 | 7- | 38 | G3 |
| 31 Aug 1957 | 7o | 36 | G3 |
| 1 Sep 1957 | 6- | 28 | G2 |
| 2 Sep 1957 | 8- | 102 | G4 |
Highest-Ap days of 1957
164
160
150
145
139
135
132
112
104
102
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 38: No. 1,762 of 34,615 days since 1932 by Ap.