Space Weather Message Code: WARK04 Serial Number: 4766 Issue Time: 2024 Dec 03 0855 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4765 Valid From: 2024 Dec 02 2321 UTC Now Valid Until: 2024 Dec 03 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: ALTK04 Serial Number: 2504 Issue Time: 2024 Dec 03 0309 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2024 Dec 03 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: 4765 Issue Time: 2024 Dec 02 2322 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2024 Dec 02 2321 UTC Valid To: 2024 Dec 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: ALTK05 Serial Number: 1679 Issue Time: 2024 Nov 30 0242 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2024 Nov 30 0242 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: 1954 Issue Time: 2024 Nov 30 0155 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2024 Nov 30 0155 UTC Valid To: 2024 Nov 30 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: 2503 Issue Time: 2024 Nov 30 0124 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2024 Nov 30 0123 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: 4764 Issue Time: 2024 Nov 30 0115 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2024 Nov 30 0112 UTC Valid To: 2024 Nov 30 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: WATA30 Serial Number: 246 Issue Time: 2024 Nov 29 1734 UTC CANCEL WATCH: Geomagnetic Storm Category G2 Predicted Cancel Serial Number: 245 Original Issue Time: 2024 Nov 26 1749 UTC Comment: G2 conditions are no longer anticipated. 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

Space Weather Message Code: WATA30 Serial Number: 245 Issue Time: 2024 Nov 26 1749 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Nov 27: None (Below G1) Nov 28: G1 (Minor) Nov 29: G2 (Moderate) 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: ALTK04 Serial Number: 2502 Issue Time: 2024 Nov 24 2336 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2024 Nov 24 2328 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