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Geomagnetic storm on 18 Feb 1961 (G3)

Max Kp7-G3

Ap51No. 14 in 1961

Consecutive G1+ days6

Ap rank872since 1932

Kp by 3-hour slot (UTC)

00–037-

03–065+

06–095o

09–125o

12–155o

15–185+

18–214+

21–242-

The days around it

Date	Max Kp	Ap	Level
15 Feb 1961	3o	7	–
16 Feb 1961	5+	27	G1
17 Feb 1961	6o	29	G2
18 Feb 1961	7-	51	G3
19 Feb 1961	5-	18	G1
20 Feb 1961	5+	30	G1
21 Feb 1961	5-	23	G1

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.

← 4 Feb 1961 6 Mar 1961 →

About this page

Max Kp 7-, Ap 51: No. 872 of 34,615 days since 1932 by Ap.