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Geomagnetic storm on 16 Sep 1946 (G3)

Max Kp7oG3

Ap34No. 43 in 1946

Consecutive G1+ days4

Ap rank2,241since 1932

Kp by 3-hour slot (UTC)

00–031+

03–061o

06–091o

09–122o

12–154-

15–185+

18–217o

21–245-

The days around it

Date	Max Kp	Ap	Level
13 Sep 1946	3o	8	–
14 Sep 1946	3o	7	–
15 Sep 1946	3-	6	–
16 Sep 1946	7o	34	G3
17 Sep 1946	6-	29	G2
18 Sep 1946	8-	136	G4
19 Sep 1946	7-	58	G3

Highest-Ap days of 1946

28 Mar 1946213

22 Sep 1946198

25 Mar 1946195

27 Jul 1946152

23 Sep 1946146

18 Sep 1946136

7 Feb 1946127

8 Feb 1946118

24 Mar 1946117

23 Apr 1946117

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.

← 31 Aug 1946 18 Sep 1946 →

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Max Kp 7o, Ap 34: No. 2,241 of 34,615 days since 1932 by Ap.