Space Weather Message Code: WARK05
Serial Number: 1661
Issue Time: 2022 Apr 15 0255 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1660
Valid From: 2022 Apr 14 1048 UTC
Now Valid Until: 2022 Apr 15 1200 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 60 degrees Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Spacecraft – Minor impact on satellite operations possible.
Aurora – Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
SUBSIDING GEOMAGNETIC STORM: A geomagnetic storm that began on April 14th when a CME hit Earth’s magnetic field is subsiding. At its apex, around 1800 UTC, the storm reached category G2–a moderately strong event. The only thing that prevented widespread aurora sightings was daylight. In Europe and North America the sun was out
