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Geomagnetic storm on 23 Sep 1946 (G4)
Max Kp8oG4
Ap146No. 5 in 1946
Consecutive G1+ days4
Ap rank48since 1932
Kp by 3-hour slot (UTC)
7+
8-
8o
6+
7o
8o
6o
7-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 20 Sep 1946 | 4o | 14 | – |
| 21 Sep 1946 | 5+ | 22 | G1 |
| 22 Sep 1946 | 9o | 198 | G5 |
| 23 Sep 1946 | 8o | 146 | G4 |
| 24 Sep 1946 | 5+ | 21 | G1 |
| 25 Sep 1946 | 2- | 5 | – |
| 26 Sep 1946 | 3- | 7 | – |
Highest-Ap days of 1946
213
198
195
152
146
136
127
118
117
117
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 8o, Ap 146: No. 48 of 34,615 days since 1932 by Ap.