Space Weather Message Code: WARK04
Serial Number: 3773
Issue Time: 2020 Oct 01 1413 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3772
Valid From: 2020 Oct 01 1031 UTC
Now Valid Until: 2020 Oct 01 2359 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

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.

[link to www.swpc.noaa.gov (secure)]