Aurora & Space Weather
🌐 English

Home › Geomagnetic history › 1958

Geomagnetic storm on 12 Mar 1958 (G3)

Max Kp7oG3
Ap64No. 14 in 1958
Consecutive G1+ days16
Ap rank502since 1932

Kp by 3-hour slot (UTC)

The days around it

DateMax KpApLevel
9 Mar 19584o20–
10 Mar 19584o18–
11 Mar 19585-22G1
12 Mar 19587o64G3
13 Mar 19586-48G2
14 Mar 19586-20G2
15 Mar 19585-23G1

Highest-Ap days of 1958

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 Mar 195826 May 1958 →

About this page

Max Kp 7o, Ap 64: No. 502 of 34,615 days since 1932 by Ap.