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Geomagnetic storm on 28 Sep 1946 (G3)

Max Kp7+G3

Ap91No. 12 in 1946

Consecutive G1+ days5

Ap rank207since 1932

Kp by 3-hour slot (UTC)

00–034+

03–066-

06–096+

09–125+

12–156o

15–187+

18–217o

21–247-

The days around it

Date	Max Kp	Ap	Level
25 Sep 1946	2-	5	–
26 Sep 1946	3-	7	–
27 Sep 1946	6o	38	G2
28 Sep 1946	7+	91	G3
29 Sep 1946	7-	36	G3
30 Sep 1946	5+	35	G1
1 Oct 1946	5-	21	G1

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 Sep 1946 29 Sep 1946 →

About this page

Max Kp 7+, Ap 91: No. 207 of 34,615 days since 1932 by Ap.