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Geomagnetic activity in February 1951
Mean Ap21.8No. 111 of 1138
G1+ days13
G3+ days2
Max Ap6423 Feb 1951
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Feb 1951 | 5o | 24 | G1 |
| 6 Feb 1951 | 6o | 31 | G2 |
| 8 Feb 1951 | 5+ | 22 | G1 |
| 9 Feb 1951 | 5- | 27 | G1 |
| 10 Feb 1951 | 5o | 24 | G1 |
| 11 Feb 1951 | 5- | 24 | G1 |
| 12 Feb 1951 | 5+ | 37 | G1 |
| 22 Feb 1951 | 5+ | 41 | G1 |
| 23 Feb 1951 | 6+ | 64 | G2 |
| 24 Feb 1951 | 5+ | 39 | G1 |
| 25 Feb 1951 | 5- | 18 | G1 |
| 27 Feb 1951 | 7o | 48 | G3 |
| 28 Feb 1951 | 7o | 55 | G3 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 1950 | 17.7 | 8 | 3 |
| February 1951 | 21.8 | 13 | 2 |
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 21.8 in February 1951, No. 111 of 1138 months since 1932; 13 days reached G1 or higher.