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Geomagnetic storm on 18 Jul 1959 (G4)

Max Kp8oG4

Ap119No. 4 in 1959

Consecutive G1+ days5

Ap rank102since 1932

Kp by 3-hour slot (UTC)

00–038o

03–068-

06–098o

09–126-

12–155-

15–187o

18–215-

21–246o

The days around it

Date	Max Kp	Ap	Level
15 Jul 1959	9o	236	G5
16 Jul 1959	7+	47	G3
17 Jul 1959	9-	110	G5
18 Jul 1959	8o	119	G4
19 Jul 1959	5o	31	G1
20 Jul 1959	4+	18	–
21 Jul 1959	4-	16	–

Highest-Ap days of 1959

15 Jul 1959236

27 Mar 1959178

16 Aug 1959130

18 Jul 1959119

17 Aug 1959114

17 Jul 1959110

12 May 1959108

4 Sep 1959103

10 Apr 195998

28 Mar 195987

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 Jul 1959 16 Aug 1959 →

About this page

Max Kp 8o, Ap 119: No. 102 of 34,615 days since 1932 by Ap.