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Geomagnetic storm on 7 Sep 1947 (G3)

Max Kp7-G3

Ap45No. 37 in 1947

Consecutive G1+ days3

Ap rank1,179since 1932

Kp by 3-hour slot (UTC)

00–035-

03–064-

06–094-

09–123o

12–155o

15–186-

18–217-

21–245-

The days around it

Date	Max Kp	Ap	Level
4 Sep 1947	5o	35	G1
5 Sep 1947	4o	18	–
6 Sep 1947	5-	22	G1
7 Sep 1947	7-	45	G3
8 Sep 1947	5o	18	G1
9 Sep 1947	3o	6	–
10 Sep 1947	1+	4	–

Highest-Ap days of 1947

3 Mar 1947128

17 Apr 1947100

25 Sep 1947100

8 Mar 194790

24 Sep 194790

3 Sep 194784

4 Mar 194782

2 Mar 194781

18 Jul 194780

28 Mar 194775

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.

← 3 Sep 1947 24 Sep 1947 →

About this page

Max Kp 7-, Ap 45: No. 1,179 of 34,615 days since 1932 by Ap.