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Geomagnetic storm on 13 Jun 1991 (G4)

Max Kp8-G4

Ap120No. 6 in 1991

Consecutive G1+ days10

Ap rank101since 1932

Kp by 3-hour slot (UTC)

00–037+

03–065+

06–096+

09–127o

12–158-

15–187o

18–218-

21–244+

The days around it

Date	Max Kp	Ap	Level
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	–
16 Jun 1991	2o	5	–

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.

← 12 Jun 1991 17 Jun 1991 →

About this page

Max Kp 8-, Ap 120: No. 101 of 34,615 days since 1932 by Ap.