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Geomagnetic storm on 18 Jun 1951 (G3)

Max Kp7+G3

Ap54No. 20 in 1951

Consecutive G1+ days3

Ap rank748since 1932

Kp by 3-hour slot (UTC)

00–037+

03–067-

06–096-

09–124+

12–153o

15–184-

18–212+

21–244-

The days around it

Date	Max Kp	Ap	Level
15 Jun 1951	5-	27	G1
16 Jun 1951	4o	16	–
17 Jun 1951	8o	38	G4
18 Jun 1951	7+	54	G3
19 Jun 1951	6o	37	G2
20 Jun 1951	4-	8	–
21 Jun 1951	4o	12	–

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.

← 17 Jun 1951 1 Jul 1951 →

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Max Kp 7+, Ap 54: No. 748 of 34,615 days since 1932 by Ap.