Space Weather Message Code: WARK04
Serial Number: 3778
Issue Time: 2020 Oct 24 0845 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3777
Valid From: 2020 Oct 23 1930 UTC
Now Valid Until: 2020 Oct 24 1500 UTC
Warning Condition: Persistence
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 such as Canada and Alaska.