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Geomagnetic storm on 11 May 1981 (G3)

Max Kp7-G3

Ap61No. 10 in 1981

Consecutive G1+ days3

Ap rank583since 1932

Kp by 3-hour slot (UTC)

00–037-

03–067-

06–096o

09–126o

12–155+

15–183+

18–213-

21–243+

The days around it

Date	Max Kp	Ap	Level
8 May 1981	4-	11	–
9 May 1981	6+	39	G2
10 May 1981	7o	32	G3
11 May 1981	7-	61	G3
12 May 1981	4-	13	–
13 May 1981	4o	10	–
14 May 1981	4+	18	–

Highest-Ap days of 1981

25 Jul 1981134

13 Apr 1981121

12 Apr 198196

5 Mar 198181

26 Jul 198178

14 Oct 198173

22 Oct 198172

20 Oct 198167

26 Apr 198162

11 May 198161

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.

← 10 May 1981 15 May 1981 →

About this page

Max Kp 7-, Ap 61: No. 583 of 34,615 days since 1932 by Ap.