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Geomagnetic storm on 15 Apr 1961 (G4)

Max Kp8-G4

Ap61No. 8 in 1961

Consecutive G1+ days3

Ap rank580since 1932

Kp by 3-hour slot (UTC)

00–038-

03–067o

06–096o

09–123+

12–153+

15–184+

18–213+

21–243-

The days around it

Date	Max Kp	Ap	Level
12 Apr 1961	3+	10	–
13 Apr 1961	5+	15	G1
14 Apr 1961	7+	54	G3
15 Apr 1961	8-	61	G4
16 Apr 1961	4-	13	–
17 Apr 1961	2-	4	–
18 Apr 1961	2+	5	–

Highest-Ap days of 1961

28 Oct 1961128

27 Jul 1961114

1 Oct 1961114

13 Jul 1961102

14 Jul 196198

18 Jul 196193

2 Dec 196166

15 Apr 196161

21 Jun 196158

22 Jun 196158

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.

← 14 Apr 1961 21 Jun 1961 →

About this page

Max Kp 8-, Ap 61: No. 580 of 34,615 days since 1932 by Ap.