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Geomagnetic storm on 24 Apr 1946 (G4)

Max Kp8+G4

Ap99No. 11 in 1946

Consecutive G1+ days3

Ap rank171since 1932

Kp by 3-hour slot (UTC)

00–038+

03–067+

06–097-

09–126+

12–154+

15–187-

18–215-

21–243+

The days around it

Date	Max Kp	Ap	Level
21 Apr 1946	1+	4	–
22 Apr 1946	4+	16	–
23 Apr 1946	9-	117	G5
24 Apr 1946	8+	99	G4
25 Apr 1946	5-	11	G1
26 Apr 1946	4-	9	–
27 Apr 1946	4+	7	–

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.

← 23 Apr 1946 6 May 1946 →

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Max Kp 8+, Ap 99: No. 171 of 34,615 days since 1932 by Ap.