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Geomagnetic storm on 19 Sep 1941 (G5)

Max Kp9oG5

Ap176No. 4 in 1941

Consecutive G1+ days4

Ap rank29since 1932

Kp by 3-hour slot (UTC)

00–039-

03–069o

06–099-

09–127+

12–154o

15–185o

18–217+

21–244o

The days around it

Date	Max Kp	Ap	Level
16 Sep 1941	6-	20	G2
17 Sep 1941	3o	10	–
18 Sep 1941	9-	232	G5
19 Sep 1941	9o	176	G5
20 Sep 1941	6+	36	G2
21 Sep 1941	6o	30	G2
22 Sep 1941	2+	4	–

Highest-Ap days of 1941

18 Sep 1941232

5 Jul 1941222

1 Mar 1941207

19 Sep 1941176

4 Aug 1941110

30 Mar 194185

1 Dec 194183

14 Mar 194179

1 Nov 194179

31 Mar 194176

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.

← 18 Sep 1941 11 Oct 1941 →

About this page

Max Kp 9o, Ap 176: No. 29 of 34,615 days since 1932 by Ap.