Space Weather Message Code: WATA20
Serial Number: 871
Issue Time: 2020 Oct 20 2119 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Oct 21: None (Below G1) Oct 22: G1 (Minor) Oct 23: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
NOAA Space Weather Scale descriptions can be found at
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.