Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G1 (Minor) Geomagnetic Storming Observed 23 July

G1 (Minor) Geomagnetic Storming Observed 23 July
published: Saturday, July 23, 2022 05:23 UTC

G1 (Minor) geomagnetic storming was observed 23/0359 UTC due to the shock arrival from the 21 July halo event CME. See the upcoming 1230 UTC forecast discussion for more details.