Aurora & Space Weather
🌐 English

Home › Geomagnetic history › 1946

Geomagnetic storm on 19 Sep 1946 (G3)

Max Kp7-G3
Ap58No. 18 in 1946
Consecutive G1+ days4
Ap rank648since 1932

Kp by 3-hour slot (UTC)

The days around it

DateMax KpApLevel
16 Sep 19467o34G3
17 Sep 19466-29G2
18 Sep 19468-136G4
19 Sep 19467-58G3
20 Sep 19464o14–
21 Sep 19465+22G1
22 Sep 19469o198G5

Highest-Ap days of 1946

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.

← 18 Sep 194622 Sep 1946 →

About this page

Max Kp 7-, Ap 58: No. 648 of 34,615 days since 1932 by Ap.