Space Weather Message Code: ALTK04
Serial Number: 2243
Issue Time: 2021 Oct 19 0601 UTC
ALERT: Geomagnetic K-index: 4
Threshold Reached: 2021 Oct 19 0559 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: YES!
Potential Impacts: Area of impact primarily poleward of 65° 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.