Space Weather Message Code: WARK05 Serial Number: 1573 Issue Time: 2021 Feb 07 0228 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2021 Feb 06 0230 UTC Valid To: 2021 Feb 06 0900 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: 2190 Issue Time: 2021 Feb 06 2101 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2021 Feb 06 2059 UTC Synoptic Period: 1800-2100 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: 3818 Issue Time: 2021 Feb 06 2001 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2021 Feb 06 2000 UTC Valid To: 2021 Feb 07 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: 1572 Issue Time: 2021 Feb 03 1944 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2021 Feb 03 1945 UTC Valid To: 2021 Feb 03 2100 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: 2189 Issue Time: 2021 Feb 03 1938 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2021 Feb 03 1938 UTC Synoptic Period: 1800-2100 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: 3817 Issue Time: 2021 Feb 03 1933 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2021 Feb 03 1935 UTC Valid To: 2021 Feb 03 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

Space Weather Message Code: WARK04 Serial Number: 3816 Issue Time: 2021 Feb 03 0241 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3815 Valid From: 2021 Feb 02 0132 UTC Now Valid Until: 2021 Feb 03 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: 3815 Issue Time: 2021 Feb 02 1745 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3814 Valid From: 2021 Feb 02 0132 UTC Now Valid Until: 2021 Feb 03 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: WARK04 Serial Number: 3816 Issue Time: 2021 Feb 03 0241 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3815 Valid From: 2021 Feb 02 0132 UTC Now Valid Until: 2021 Feb 03 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: 3815 Issue Time: 2021 Feb 02 1745 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3814 Valid From: 2021 Feb 02 0132 UTC Now Valid Until: 2021 Feb 03 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 –