Space Weather Message Code: WARK04 Serial Number: 4005 Issue Time: 2022 Jan 21 2220 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Jan 21 2219 UTC Valid To: 2022 Jan 22 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: WARK04 Serial Number: 4004 Issue Time: 2022 Jan 19 1459 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4003 Valid From: 2022 Jan 19 0015 UTC Now Valid Until: 2022 Jan 20 0300 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: WARK05 Serial Number: 1630 Issue Time: 2022 Jan 19 1455 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1629 Valid From: 2022 Jan 19 0130 UTC Now Valid Until: 2022 Jan 20 0300 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 –

Space Weather Message Code: WARK05 Serial Number: 1629 Issue Time: 2022 Jan 19 0550 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1628 Valid From: 2022 Jan 19 0130 UTC Now Valid Until: 2022 Jan 19 1300 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 –

Space Weather Message Code: ALTK05 Serial Number: 1358 Issue Time: 2022 Jan 19 0405 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2022 Jan 19 0404 UTC Synoptic Period: 0300-0600 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: ALTK06 Serial Number: 489 Issue Time: 2022 Jan 19 0310 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2022 Jan 19 0259 UTC Synoptic Period: 0300-0600 UTC Active Warning: Yes NOAA Scale: G2 – Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents – Power grid fluctuations can occur. High-latitude

Space Weather Message Code: WARK06 Serial Number: 452 Issue Time: 2022 Jan 19 0257 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2022 Jan 19 0255 UTC Valid To: 2022 Jan 19 0600 UTC Warning Condition: Onset NOAA Scale: G2 – Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents – Power grid

Space Weather Message Code: ALTK05 Serial Number: 1357 Issue Time: 2022 Jan 19 0154 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2022 Jan 19 0152 UTC Synoptic Period: 0000-0300 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: 1628 Issue Time: 2022 Jan 19 0131 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2022 Jan 19 0130 UTC Valid To: 2022 Jan 19 0600 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: 2265 Issue Time: 2022 Jan 19 0113 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Jan 19 0113 UTC Synoptic Period: 0000-0300 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