Space Weather Message Code: WARK05 Serial Number: 1659 Issue Time: 2022 Apr 14 1047 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2022 Apr 14 1048 UTC Valid To: 2022 Apr 14 1500 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: 4082 Issue Time: 2022 Apr 14 0743 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4081 Valid From: 2022 Apr 14 0110 UTC Now Valid Until: 2022 Apr 14 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: 2289 Issue Time: 2022 Apr 14 0702 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Apr 14 0654 UTC Synoptic Period: 0600-0900 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: 4081 Issue Time: 2022 Apr 14 0111 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Apr 14 0110 UTC Valid To: 2022 Apr 14 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: 4080 Issue Time: 2022 Apr 13 0809 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4079 Valid From: 2022 Apr 12 1247 UTC Now Valid Until: 2022 Apr 13 1500 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: 4079 Issue Time: 2022 Apr 13 0203 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4078 Valid From: 2022 Apr 12 1247 UTC Now Valid Until: 2022 Apr 13 0900 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: WATA30 Serial Number: 204 Issue Time: 2022 Apr 12 1826 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Apr 13: None (Below G1) Apr 14: G2 (Moderate) Apr 15: G1 (Minor) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT 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

Space Weather Message Code: WARK04 Serial Number: 4078 Issue Time: 2022 Apr 12 1708 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4077 Valid From: 2022 Apr 12 1247 UTC Now Valid Until: 2022 Apr 13 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: ALTK04 Serial Number: 2288 Issue Time: 2022 Apr 12 1659 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Apr 12 1657 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: WARK04 Serial Number: 4077 Issue Time: 2022 Apr 12 1248 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Apr 12 1247 UTC Valid To: 2022 Apr 12 1800 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