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Geomagnetic storm on 26 Mar 1940 (G3)
Max Kp7+G3
Ap53No. 13 in 1940
Consecutive G1+ days12
Ap rank780since 1932
Kp by 3-hour slot (UTC)
7+
6o
5-
3-
2+
4-
6+
3-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 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 |
| 28 Mar 1940 | 5+ | 21 | G1 |
| 29 Mar 1940 | 8+ | 100 | G4 |
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 7+, Ap 53: No. 780 of 34,615 days since 1932 by Ap.