Space Weather Message Code: ALTK04
Serial Number: 2240
Issue Time: 2021 Oct 12 0056 UTC
ALERT: Geomagnetic K-index: 4
Threshold Reached: 2021 Oct 12 0055 UTC
Synoptic Period: 0000-0300 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.