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Geomagnetic activity in February 1950
Mean Ap17.7No. 218 of 1138
G1+ days8
G3+ days3
Max Ap7920 Feb 1950
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Feb 1950 | 6- | 27 | G2 |
| 3 Feb 1950 | 5- | 21 | G1 |
| 20 Feb 1950 | 9- | 79 | G5 |
| 21 Feb 1950 | 8- | 79 | G4 |
| 22 Feb 1950 | 5- | 26 | G1 |
| 23 Feb 1950 | 6+ | 49 | G2 |
| 24 Feb 1950 | 7o | 46 | G3 |
| 25 Feb 1950 | 5- | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 1949 | 14.4 | 9 | 0 |
| February 1950 | 17.7 | 8 | 3 |
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 17.7 in February 1950, No. 218 of 1138 months since 1932; 8 days reached G1 or higher.