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Geomagnetic storm on 17 Apr 1994 (G4)

Max Kp8+G4

Ap100No. 1 in 1994

Consecutive G1+ days2

Ap rank169since 1932

Kp by 3-hour slot (UTC)

00–037-

03–068+

06–098+

09–127o

12–155-

15–183o

18–213o

21–243+

The days around it

Date	Max Kp	Ap	Level
14 Apr 1994	5+	26	G1
15 Apr 1994	4-	19	–
16 Apr 1994	6o	32	G2
17 Apr 1994	8+	100	G4
18 Apr 1994	4+	20	–
19 Apr 1994	5o	16	G1
20 Apr 1994	3o	8	–

Highest-Ap days of 1994

17 Apr 1994100

21 Feb 199495

3 Apr 199492

3 Oct 199488

7 Mar 199465

6 Feb 199464

8 Feb 199464

9 Mar 199464

22 Feb 199463

7 Feb 199462

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.

← 4 Apr 1994 1 May 1994 →

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Max Kp 8+, Ap 100: No. 169 of 34,615 days since 1932 by Ap.