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Geomagnetic storm on 9 Nov 1998 (G3)

Max Kp7-G3

Ap75No. 4 in 1998

Consecutive G1+ days3

Ap rank356since 1932

Kp by 3-hour slot (UTC)

00–035-

03–066-

06–097-

09–126+

12–156o

15–185+

18–217-

21–245-

The days around it

Date	Max Kp	Ap	Level
6 Nov 1998	4+	20	–
7 Nov 1998	5o	26	G1
8 Nov 1998	8-	66	G4
9 Nov 1998	7-	75	G3
10 Nov 1998	4-	6	–
11 Nov 1998	2-	3	–
12 Nov 1998	2-	4	–

Highest-Ap days of 1998

27 Aug 1998144

25 Sep 1998117

4 May 1998101

9 Nov 199875

8 Nov 199866

6 Aug 199864

13 Nov 199864

2 May 199863

3 May 199862

19 Oct 199862

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.

← 8 Nov 1998 13 Jan 1999 →

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Max Kp 7-, Ap 75: No. 356 of 34,615 days since 1932 by Ap.