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Geomagnetic storm on 4 Aug 1941 (G4)

Max Kp8+G4

Ap110No. 5 in 1941

Consecutive G1+ days4

Ap rank129since 1932

Kp by 3-hour slot (UTC)

00–035o

03–067o

06–096o

09–126-

12–158+

15–187-

18–216+

21–247-

The days around it

Date	Max Kp	Ap	Level
1 Aug 1941	3o	8	–
2 Aug 1941	5+	37	G1
3 Aug 1941	4-	12	–
4 Aug 1941	8+	110	G4
5 Aug 1941	6o	24	G2
6 Aug 1941	6-	23	G2
7 Aug 1941	5-	16	G1

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.

← 7 Jul 1941 18 Sep 1941 →

About this page

Max Kp 8+, Ap 110: No. 129 of 34,615 days since 1932 by Ap.