Space Weather Message Code: WARK04
Serial Number: 3776
Issue Time: 2020 Oct 21 0746 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Oct 21 0746 UTC
Valid To: 2020 Oct 21 1500 UTC
Warning Condition: Onset
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.