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Geomagnetic storm on 31 Aug 1943 (G4)

Max Kp8+G4

Ap140No. 1 in 1943

Consecutive G1+ days9

Ap rank59since 1932

Kp by 3-hour slot (UTC)

00–037o

03–068+

06–097+

09–127+

12–158-

15–187o

18–216+

21–245-

The days around it

Date	Max Kp	Ap	Level
28 Aug 1943	7o	43	G3
29 Aug 1943	5+	36	G1
30 Aug 1943	7o	90	G3
31 Aug 1943	8+	140	G4
1 Sep 1943	6-	36	G2
2 Sep 1943	5+	34	G1
3 Sep 1943	6-	48	G2

Highest-Ap days of 1943

31 Aug 1943140

30 Aug 194390

8 Aug 194379

30 Sep 194366

1 May 194361

29 Sep 194361

19 Nov 194357

13 Aug 194352

26 Oct 194350

9 Aug 194348

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.

← 30 Aug 1943 29 Sep 1943 →

About this page

Max Kp 8+, Ap 140: No. 59 of 34,615 days since 1932 by Ap.