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Geomagnetic storm on 27 Apr 1956 (G5)

Max Kp9-G5

Ap172No. 1 in 1956

Consecutive G1+ days6

Ap rank31since 1932

Kp by 3-hour slot (UTC)

00–039-

03–069-

06–098-

09–128-

12–157-

15–187-

18–217o

21–246-

The days around it

Date	Max Kp	Ap	Level
24 Apr 1956	2+	5	–
25 Apr 1956	3+	8	–
26 Apr 1956	8-	40	G4
27 Apr 1956	9-	172	G5
28 Apr 1956	7o	64	G3
29 Apr 1956	8-	58	G4
30 Apr 1956	6+	51	G2

Highest-Ap days of 1956

27 Apr 1956172

16 May 1956156

25 Feb 1956103

3 Mar 1956102

24 May 195695

15 Nov 195686

24 Aug 195684

2 Sep 195682

22 Apr 195680

8 Sep 195678

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.

← 26 Apr 1956 28 Apr 1956 →

About this page

Max Kp 9-, Ap 172: No. 31 of 34,615 days since 1932 by Ap.