Space Weather Message Code: ALTK04
Serial Number: 2177
Issue Time: 2020 Oct 29 1137 UTC
ALERT: Geomagnetic K-index: 4
Threshold Reached: 2020 Oct 29 0535 UTC
Synoptic Period: 0900-1200 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 – Northern Lights may be visible at High Latitudes (60°+) for example in: Sweden, Finland and Norway.