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Geomagnetic storm on 25 Sep 1951 (G4)

Max Kp8+G4

Ap116No. 1 in 1951

Consecutive G1+ days20

Ap rank113since 1932

Kp by 3-hour slot (UTC)

00–034-

03–065-

06–095-

09–125+

12–157+

15–188-

18–218o

21–248+

The days around it

Date	Max Kp	Ap	Level
22 Sep 1951	7o	85	G3
23 Sep 1951	6o	51	G2
24 Sep 1951	6-	42	G2
25 Sep 1951	8+	116	G4
26 Sep 1951	9-	73	G5
27 Sep 1951	6+	48	G2
28 Sep 1951	6-	14	G2

Highest-Ap days of 1951

25 Sep 1951116

20 Sep 1951106

28 Oct 195198

17 Oct 195191

21 Sep 195188

22 Sep 195185

2 Jul 195182

16 Sep 195182

26 Sep 195173

2 May 195168

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.

← 22 Sep 1951 26 Sep 1951 →

About this page

Max Kp 8+, Ap 116: No. 113 of 34,615 days since 1932 by Ap.