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
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.