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Geomagnetic storm on 21 Jan 1958 (G3)

Max Kp7-G3

Ap33No. 44 in 1958

Consecutive G1+ days3

Ap rank2,416since 1932

Kp by 3-hour slot (UTC)

00–036-

03–067-

06–094-

09–124o

12–153-

15–182+

18–213-

21–242o

The days around it

Date	Max Kp	Ap	Level
18 Jan 1958	5o	30	G1
19 Jan 1958	4-	12	–
20 Jan 1958	5+	20	G1
21 Jan 1958	7-	33	G3
22 Jan 1958	5-	19	G1
23 Jan 1958	4+	22	–
24 Jan 1958	4o	12	–

Highest-Ap days of 1958

8 Jul 1958200

11 Feb 1958199

4 Sep 1958131

29 Jun 1958103

24 Oct 195889

24 Aug 195885

17 Aug 195882

25 Sep 195882

7 Jun 195877

9 Jul 195875

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.

← 26 Nov 1957 11 Feb 1958 →

About this page

Max Kp 7-, Ap 33: No. 2,416 of 34,615 days since 1932 by Ap.