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Geomagnetic storm on 25 Mar 1991 (G5)

Max Kp9-G5

Ap130No. 4 in 1991

Consecutive G1+ days4

Ap rank80since 1932

Kp by 3-hour slot (UTC)

00–038-

03–069-

06–095o

09–126o

12–158-

15–186-

18–215+

21–247o

The days around it

Date	Max Kp	Ap	Level
22 Mar 1991	5-	20	G1
23 Mar 1991	4-	11	–
24 Mar 1991	9-	161	G5
25 Mar 1991	9-	130	G5
26 Mar 1991	8o	114	G4
27 Mar 1991	5-	31	G1
28 Mar 1991	4+	20	–

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.

← 24 Mar 1991 26 Mar 1991 →

About this page

Max Kp 9-, Ap 130: No. 80 of 34,615 days since 1932 by Ap.