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Geomagnetic storm on 23 Aug 1947 (G3)

Max Kp7oG3

Ap55No. 24 in 1947

Consecutive G1+ days12

Ap rank719since 1932

Kp by 3-hour slot (UTC)

00–037o

03–065+

06–094+

09–124+

12–156o

15–185o

18–215-

21–243+

The days around it

Date	Max Kp	Ap	Level
20 Aug 1947	6o	44	G2
21 Aug 1947	5+	41	G1
22 Aug 1947	8+	71	G4
23 Aug 1947	7o	55	G3
24 Aug 1947	4+	21	–
25 Aug 1947	5+	28	G1
26 Aug 1947	4-	13	–

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.

← 22 Aug 1947 3 Sep 1947 →

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Max Kp 7o, Ap 55: No. 719 of 34,615 days since 1932 by Ap.