Space Weather Message Code: WARK05
Serial Number: 1779
Issue Time: 2023 May 22 2327 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2023 May 22 2325 UTC
Valid To: 2023 May 23 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 – Minor
NOAA Space Weather Scale descriptions can be found at
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.