WATCH: Geomagnetic Storm Category G1

Space Weather Message Code: WATA20 Serial Number: 757 Issue Time: 2016 Dec 09 2020 UTC

WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Dec 10: G1 (Minor) Dec 11: None (Below G1) Dec 12: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at 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 - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.