WATCH: Geomagnetic Storm Category G1 Predicted

Space Weather Message Code: WATA20
Serial Number: 897
Issue Time: 2021 Jul 21 2029 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Jul 22: None (Below G1) Jul 23: G1 (Minor) Jul 24: None (Below G1)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at Scales Explanation
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60° Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Spacecraft – Minor impact on satellite operations possible.
Aurora – Northern Lights may be visible at High Latitudes (60°+), --->, Stockholm, Oslo, Helsinki.

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