SFI = 102
A index = 6
K index = 4
SSN = 100
NOAA Alerts
Space Weather Message Code: WARK04
Serial Number: 4147
Issue Time: 2022 Jul 26 0740 UTC
CANCEL WARNING: Geomagnetic K-index of 4 expected
Cancel Serial Number: 4146
Original Issue Time: 2022 Jul 26 0241 UTC
Comment: Conditions no longer warrant this warning
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.