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Geomagnetic storm on 24 Mar 1940 (G5)
Max Kp9oG5
Ap187No. 2 in 1940
Consecutive G1+ days12
Ap rank22since 1932
Kp by 3-hour slot (UTC)
6+
6o
5o
4+
8o
9o
9o
8+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 21 Mar 1940 | 4- | 10 | – |
| 22 Mar 1940 | 3+ | 10 | – |
| 23 Mar 1940 | 7+ | 51 | G3 |
| 24 Mar 1940 | 9o | 187 | G5 |
| 25 Mar 1940 | 9- | 184 | G5 |
| 26 Mar 1940 | 7+ | 53 | G3 |
| 27 Mar 1940 | 5+ | 30 | G1 |
Highest-Ap days of 1940
189
187
184
128
126
100
98
78
70
66
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 9o, Ap 187: No. 22 of 34,615 days since 1932 by Ap.