Space Weather Message Code: WARK04 Serial Number: 3596 Issue Time: 2019 Feb 13 1031 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 13 1030 UTC Valid To: 2019 Feb 13 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: WARK04 Serial Number: 3596 Issue Time: 2019 Feb 13 1031 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 13 1030 UTC Valid To: 2019 Feb 13 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: WARK04 Serial Number: 3595 Issue Time: 2019 Feb 11 1608 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 11 1608 UTC Valid To: 2019 Feb 11 2100 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: 3594 Issue Time: 2019 Feb 10 0556 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3593 Valid From: 2019 Feb 09 2035 UTC Now Valid Until: 2019 Feb 10 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 –

Space Weather Message Code: WARK04 Serial Number: 3593 Issue Time: 2019 Feb 09 2036 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2019 Feb 09 2035 UTC Valid To: 2019 Feb 10 0600 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: 2099 Issue Time: 2019 Feb 08 2209 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2019 Feb 08 2209 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: 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