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Geomagnetic storm on 27 Aug 1998 (G4)

Max Kp8oG4

Ap144No. 1 in 1998

Consecutive G1+ days4

Ap rank55since 1932

Kp by 3-hour slot (UTC)

00–038o

03–068o

06–098-

09–127-

12–157-

15–187-

18–217o

21–246+

The days around it

Date	Max Kp	Ap	Level
24 Aug 1998	3o	8	–
25 Aug 1998	4-	10	–
26 Aug 1998	6+	49	G2
27 Aug 1998	8o	144	G4
28 Aug 1998	5o	30	G1
29 Aug 1998	5+	20	G1
30 Aug 1998	4-	15	–

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.

← 6 Aug 1998 25 Sep 1998 →

About this page

Max Kp 8o, Ap 144: No. 55 of 34,615 days since 1932 by Ap.