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Geomagnetic storm on 12 Jun 1991 (G3)

Max Kp7-G3

Ap66No. 22 in 1991

Consecutive G1+ days10

Ap rank480since 1932

Kp by 3-hour slot (UTC)

00–035+

03–065o

06–093o

09–125+

12–156-

15–186+

18–217-

21–246o

The days around it

Date	Max Kp	Ap	Level
9 Jun 1991	7-	58	G3
10 Jun 1991	8-	119	G4
11 Jun 1991	7+	88	G3
12 Jun 1991	7-	66	G3
13 Jun 1991	8-	120	G4
14 Jun 1991	3+	8	–
15 Jun 1991	4o	13	–

Highest-Ap days of 1991

5 Jun 1991196

24 Mar 1991161

13 Jul 1991134

25 Mar 1991130

29 Oct 1991128

13 Jun 1991120

10 Jun 1991119

9 Nov 1991119

9 Jul 1991117

26 Mar 1991114

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.

← 11 Jun 1991 13 Jun 1991 →

About this page

Max Kp 7-, Ap 66: No. 480 of 34,615 days since 1932 by Ap.