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Geomagnetic storm on 15 Jul 1938 (G3)
Max Kp7oG3
Ap67No. 8 in 1938
Consecutive G1+ days4
Ap rank455since 1932
Kp by 3-hour slot (UTC)
2+
3+
5o
4+
6+
6+
7o
7-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 12 Jul 1938 | 2+ | 5 | – |
| 13 Jul 1938 | 5- | 12 | G1 |
| 14 Jul 1938 | 5+ | 19 | G1 |
| 15 Jul 1938 | 7o | 67 | G3 |
| 16 Jul 1938 | 5o | 31 | G1 |
| 17 Jul 1938 | 3+ | 7 | – |
| 18 Jul 1938 | 2- | 4 | – |
Highest-Ap days of 1938
136
128
120
107
103
100
76
67
67
62
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 7o, Ap 67: No. 455 of 34,615 days since 1932 by Ap.