Space Weather Message Code: WARK04 Serial Number: 3592 Issue Time: 2019 Feb 08 2203 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 08 2205 UTC Valid To: 2019 Feb 09 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: 2098 Issue Time: 2019 Feb 03 0300 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2019 Feb 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: 3591 Issue Time: 2019 Feb 03 0247 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 03 0247 UTC Valid To: 2019 Feb 03 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: ALTK04 Serial Number: 2097 Issue Time: 2019 Feb 02 1803 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2019 Feb 02 1759 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: 3590 Issue Time: 2019 Feb 02 1629 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 02 1635 UTC Valid To: 2019 Feb 02 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: 3589 Issue Time: 2019 Feb 01 2220 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3588 Valid From: 2019 Jan 31 1318 UTC Now Valid Until: 2019 Feb 02 1200 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: 3588 Issue Time: 2019 Feb 01 1456 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3587 Valid From: 2019 Jan 31 1318 UTC Now Valid Until: 2019 Feb 01 2359 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: WARK05 Serial Number: 1512 Issue Time: 2019 Feb 01 0854 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1511 Valid From: 2019 Jan 31 2201 UTC Now Valid Until: 2019 Feb 01 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: WARK04 Serial Number: 3587 Issue Time: 2019 Feb 01 0256 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3586 Valid From: 2019 Jan 31 1318 UTC Now Valid Until: 2019 Feb 01 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: WARK05 Serial Number: 1511 Issue Time: 2019 Feb 01 0251 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1510 Valid From: 2019 Jan 31 2201 UTC Now Valid Until: 2019 Feb 01 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 60 degrees Geomagnetic Latitude. Induced Currents –