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Geomagnetic storm on 15 May 1972 (G4)
Max Kp8-G4
Ap38No. 13 in 1972
Consecutive G1+ days2
Ap rank1,781since 1932
Kp by 3-hour slot (UTC)
1+
0+
1o
2-
1o
2o
8-
6+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 12 May 1972 | 3o | 9 | – |
| 13 May 1972 | 3o | 8 | – |
| 14 May 1972 | 2+ | 7 | – |
| 15 May 1972 | 8- | 38 | G4 |
| 16 May 1972 | 6o | 18 | G2 |
| 17 May 1972 | 3o | 9 | – |
| 18 May 1972 | 3+ | 10 | – |
Highest-Ap days of 1972
182
132
126
98
87
74
62
54
53
45
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 38: No. 1,781 of 34,615 days since 1932 by Ap.