Space Weather Message Code: WARK04 Serial Number: 4181 Issue Time: 2022 Nov 26 0855 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4180 Valid From: 2022 Nov 25 1850 UTC Now Valid Until: 2022 Nov 26 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: 2320 Issue Time: 2022 Nov 25 2328 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Nov 25 2327 UTC Synoptic Period: 2100-2400 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: 4180 Issue Time: 2022 Nov 25 1851 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Nov 25 1850 UTC Valid To: 2022 Nov 26 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: WARK05 Serial Number: 1705 Issue Time: 2022 Nov 25 0849 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2022 Nov 25 0849 UTC Valid To: 2022 Nov 25 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: ALTK04 Serial Number: 2319 Issue Time: 2022 Nov 25 0602 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Nov 25 0559 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: 4179 Issue Time: 2022 Nov 25 0506 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Nov 25 0505 UTC Valid To: 2022 Nov 25 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

Space Weather Message Code: ALTK04 Serial Number: 2318 Issue Time: 2022 Nov 21 0304 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Nov 21 0259 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

Space Weather Message Code: WARK04 Serial Number: 4178 Issue Time: 2022 Nov 21 0248 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Nov 21 0248 UTC Valid To: 2022 Nov 21 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: WATA20 Serial Number: 927 Issue Time: 2022 Nov 19 1934 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Nov 20: G1 (Minor) Nov 21: G1 (Minor) Nov 22: None (Below G1) 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 60 degrees Geomagnetic Latitude. Induced

Space Weather Message Code: WARK04 Serial Number: 4177 Issue Time: 2022 Nov 19 0530 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4176 Valid From: 2022 Nov 18 1910 UTC Now Valid Until: 2022 Nov 19 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 –