Space Weather Message Code: ALTK05 Serial Number: 1351 Issue Time: 2022 Jan 08 2035 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2022 Jan 08 2028 UTC Synoptic Period: 1800-2100 UTC Active Warning: Yes NOAA Scale: G1 – Minor 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.

Space Weather Message Code: WARK05 Serial Number: 1623 Issue Time: 2022 Jan 08 2023 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2022 Jan 08 2022 UTC Valid To: 2022 Jan 08 2359 UTC Warning Condition: Onset NOAA Scale: G1 – Minor 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

Space Weather Message Code: ALTK04 Serial Number: 2260 Issue Time: 2022 Jan 08 2020 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Jan 08 2008 UTC Synoptic Period: 1800-2100 UTC Active Warning: Yes 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

Space Weather Message Code: WARK04 Serial Number: 3993 Issue Time: 2022 Jan 08 2012 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Jan 08 2012 UTC Valid To: 2022 Jan 09 0300 UTC Warning Condition: Onset 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

Space Weather Message Code: WARK04 Serial Number: 3992 Issue Time: 2022 Jan 03 0855 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3991 Valid From: 2022 Jan 02 2228 UTC Now Valid Until: 2022 Jan 03 1800 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 –

Space Weather Message Code: ALTK04 Serial Number: 2259 Issue Time: 2022 Jan 03 0509 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Jan 03 0505 UTC Synoptic Period: 0300-0600 UTC Active Warning: Yes 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

Space Weather Message Code: WARK04 Serial Number: 3991 Issue Time: 2022 Jan 02 2228 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Jan 02 2228 UTC Valid To: 2022 Jan 03 0900 UTC Warning Condition: Onset 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

Space Weather Message Code: ALTK04 Serial Number: 2258 Issue Time: 2022 Jan 01 0439 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Jan 01 0435 UTC Synoptic Period: 0300-0600 UTC Active Warning: Yes 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

Space Weather Message Code: WARK04 Serial Number: 3990 Issue Time: 2022 Jan 01 0416 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Jan 01 0415 UTC Valid To: 2022 Jan 01 1500 UTC Warning Condition: Onset 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

Space Weather Message Code: ALTK04 Serial Number: 2257 Issue Time: 2021 Dec 27 1258 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2021 Dec 27 1257 UTC Synoptic Period: 1200-1500 UTC Active Warning: Yes 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