Space Weather Message Code: WATA30 Serial Number: 209 Issue Time: 2022 Sep 30 1804 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Oct 01: G2 (Moderate) Oct 02: G1 (Minor) Oct 03: 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 Currents

Space Weather Message Code: WARK04 Serial Number: 4120 Issue Time: 2022 Sep 30 1346 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Sep 30 1345 UTC Valid To: 2022 Oct 01 1200 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: 2299 Issue Time: 2022 Sep 30 0556 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2022 Sep 30 0556 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: 4119 Issue Time: 2022 Sep 30 0502 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2022 Sep 30 0505 UTC Valid To: 2022 Sep 30 1200 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: 208 Issue Time: 2022 Sep 29 2047 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Sep 30: G1 (Minor) Oct 01: G2 (Moderate) Oct 02: 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 Currents

Space Weather Message Code: WATA30 Serial Number: 207 Issue Time: 2022 Sep 28 2038 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Sep 29: None (Below G1) Sep 30: G1 (Minor) Oct 01: 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: WATA20 Serial Number: 918 Issue Time: 2022 Sep 27 1957 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Sep 28: None (Below G1) Sep 29: None (Below G1) Sep 30: 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 60 degrees Geomagnetic Latitude.

Space Weather Message Code: WARK05 Serial Number: 1682 Issue Time: 2022 Sep 27 0934 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1681 Valid From: 2022 Sep 27 0122 UTC Now Valid Until: 2022 Sep 27 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 60 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: WARK05 Serial Number: 1681 Issue Time: 2022 Sep 27 0218 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1680 Valid From: 2022 Sep 27 0122 UTC Now Valid Until: 2022 Sep 27 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 60 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: WARK06 Serial Number: 462 Issue Time: 2022 Sep 27 0146 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2022 Sep 27 0146 UTC Valid To: 2022 Sep 27 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