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Geomagnetic storm on 13 Sep 1957 (G5)

Max Kp9-G5

Ap160No. 2 in 1957

Consecutive G1+ days2

Ap rank36since 1932

Kp by 3-hour slot (UTC)

00–038-

03–068+

06–099-

09–129-

12–157o

15–186o

18–214o

21–244o

The days around it

Date	Max Kp	Ap	Level
10 Sep 1957	3-	8	–
11 Sep 1957	2+	6	–
12 Sep 1957	3-	7	–
13 Sep 1957	9-	160	G5
14 Sep 1957	6+	38	G2
15 Sep 1957	4+	14	–
16 Sep 1957	5-	12	G1

Highest-Ap days of 1957

23 Sep 1957164

13 Sep 1957160

30 Jun 1957150

4 Sep 1957145

29 Sep 1957139

3 Sep 1957135

2 Mar 1957132

5 Sep 1957112

22 Sep 1957104

2 Sep 1957102

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.

← 5 Sep 1957 21 Sep 1957 →

About this page

Max Kp 9-, Ap 160: No. 36 of 34,615 days since 1932 by Ap.