Space Weather Message Code: WARK04
Serial Number: 3820
Issue Time: 2021 Feb 07 1453 UTC
EXTENDED WARNING: Geomagnetic K-index: 4 "EXPECTED"
Extension to Serial Number: 3819
Valid From: 2021 Feb 06 2000 UTC
Now Valid Until: 2021 Feb 07 2359 UTC
Warning Condition: Persistence
NOAA Space Weather Scale descriptions can be found at Scales Explanation
www.swpc.noaa.gov/noaa-scales-explanation
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.