Space Weather Message Code: ALTK04
Serial Number: 2162
Issue Time: 2020 Aug 28 1646 UTC
ALERT: Geomagnetic K-index: 4
Threshold Reached: 2020 Aug 28 1643 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Space Weather Scale descriptions can be found at
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Aurora – Aurora may be visible at "High-Latitudes" for example in: Sweden, Finland and Norway.