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Geomagnetic storm on 18 Sep 2000 (G4)

Max Kp8-G4

Ap70No. 7 in 2000

Consecutive G1+ days5

Ap rank421since 1932

Kp by 3-hour slot (UTC)

00–038-

03–066-

06–095o

09–126o

12–156o

15–186o

18–213o

21–243o

The days around it

Date	Max Kp	Ap	Level
15 Sep 2000	5o	12	G1
16 Sep 2000	6+	29	G2
17 Sep 2000	8+	56	G4
18 Sep 2000	8-	70	G4
19 Sep 2000	6o	30	G2
20 Sep 2000	4-	12	–
21 Sep 2000	3o	9	–

Highest-Ap days of 2000

15 Jul 2000164

12 Aug 2000123

5 Oct 2000116

24 May 200093

6 Apr 200082

7 Apr 200074

18 Sep 200070

8 Jun 200064

4 Oct 200063

12 Feb 200060

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.

← 17 Sep 2000 4 Oct 2000 →

About this page

Max Kp 8-, Ap 70: No. 421 of 34,615 days since 1932 by Ap.