WATCH: Geomagnetic Storm Category G1 Predicted

Space Weather Message Code: WATA20
Serial Number: 869
Issue Time: 2020 Sep 29 1556 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Sep 29: G1 (Minor) Sep 30: G1 (Minor) Oct 01: None (Below G1)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

Comment: Decreasing max threshold potential from G2 to G1 to be consistent with activity as the storm progresses and wanes

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 degrees 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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