Space Weather Message Code: WARK04 Serial Number: 4029 Issue Time: 2022 Feb 11 1754 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4028 Valid From: 2022 Feb 10 1400 UTC Now Valid Until: 2022 Feb 12 0600 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: WARK04 Serial Number: 4028 Issue Time: 2022 Feb 11 1125 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4027 Valid From: 2022 Feb 10 1400 UTC Now Valid Until: 2022 Feb 11 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: WARK04 Serial Number: 4027 Issue Time: 2022 Feb 11 0543 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4026 Valid From: 2022 Feb 10 1400 UTC Now Valid Until: 2022 Feb 11 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 65 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: WARK05 Serial Number: 1640 Issue Time: 2022 Feb 10 2328 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1639 Valid From: 2022 Feb 10 1420 UTC Now Valid Until: 2022 Feb 11 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: WARK04 Serial Number: 4026 Issue Time: 2022 Feb 10 2313 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4025 Valid From: 2022 Feb 10 1400 UTC Now Valid Until: 2022 Feb 11 0600 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 –

Space Weather Message Code: ALTK05 Serial Number: 1362 Issue Time: 2022 Feb 10 2041 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2022 Feb 10 2030 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: ALTK05 Serial Number: 1361 Issue Time: 2022 Feb 10 1707 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2022 Feb 10 1702 UTC Synoptic Period: 1500-1800 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: ALTK04 Serial Number: 2270 Issue Time: 2022 Feb 10 1628 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Feb 10 1625 UTC Synoptic Period: 1500-1800 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: WARK05 Serial Number: 1639 Issue Time: 2022 Feb 10 1418 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2022 Feb 10 1420 UTC Valid To: 2022 Feb 10 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: WARK04 Serial Number: 4025 Issue Time: 2022 Feb 10 1353 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Feb 10 1400 UTC Valid To: 2022 Feb 10 2359 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