Home › Geomagnetic history › 1948
Geomagnetic storm on 22 Apr 1948 (G3)
Max Kp7oG3
Ap50No. 10 in 1948
Consecutive G1+ days2
Ap rank901since 1932
Kp by 3-hour slot (UTC)
5-
7o
6o
5o
5o
4-
4-
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 19 Apr 1948 | 2o | 5 | – |
| 20 Apr 1948 | 4o | 12 | – |
| 21 Apr 1948 | 7- | 24 | G3 |
| 22 Apr 1948 | 7o | 50 | G3 |
| 23 Apr 1948 | 3- | 7 | – |
| 24 Apr 1948 | 4- | 10 | – |
| 25 Apr 1948 | 4- | 14 | – |
Highest-Ap days of 1948
146
140
94
86
74
72
67
56
51
50
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 7o, Ap 50: No. 901 of 34,615 days since 1932 by Ap.