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Geomagnetic activity in November 1940
Mean Ap16.0No. 295 of 1138
G1+ days10
G3+ days1
Max Ap4913 Nov 1940
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Nov 1940 | 5- | 24 | G1 |
| 12 Nov 1940 | 5+ | 22 | G1 |
| 13 Nov 1940 | 7- | 49 | G3 |
| 17 Nov 1940 | 5- | 14 | G1 |
| 21 Nov 1940 | 5- | 23 | G1 |
| 22 Nov 1940 | 5+ | 35 | G1 |
| 23 Nov 1940 | 5+ | 25 | G1 |
| 25 Nov 1940 | 6+ | 36 | G2 |
| 26 Nov 1940 | 5o | 26 | G1 |
| 29 Nov 1940 | 5+ | 38 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1939 | 8.7 | 3 | 0 |
| November 1940 | 16.0 | 10 | 1 |
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
Mean Ap 16.0 in November 1940, No. 295 of 1138 months since 1932; 10 days reached G1 or higher.