Space Weather Message Code: ALTK05 Serial Number: 1030 Issue Time: 2016 Oct 14 0820 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 14 0820 UTC Synoptic Period: 0600-0900 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: WARK04 Serial Number: 3015 Issue Time: 2016 Oct 14 1053 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3014 Valid From: 2016 Oct 12 2228 UTC Now Valid Until: 2016 Oct 14 2100 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: ALTK05 Serial Number: 1030 Issue Time: 2016 Oct 14 0820 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 14 0820 UTC Synoptic Period: 0600-0900 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: WARK06 Serial Number: 360 Issue Time: 2016 Oct 14 0250 UTC EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 359 Valid From: 2016 Oct 13 1237 UTC Now Valid Until: 2016 Oct 14 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 55 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: ALTK06 Serial Number: 416 Issue Time: 2016 Oct 14 0139 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2016 Oct 14 0139 UTC Synoptic Period: 0000-0300 UTC Active Warning: Yes 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 fluctuations can occur. High-latitude

Space Weather Message Code: ALTK05 Serial Number: 1029 Issue Time: 2016 Oct 14 0126 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 14 0125 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: ALTK05 Serial Number: 1028 Issue Time: 2016 Oct 13 2337 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 13 2336 UTC Synoptic Period: 2100-2400 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: ALTK06 Serial Number: 415 Issue Time: 2016 Oct 13 2013 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2016 Oct 13 2012 UTC Synoptic Period: 1800-2100 UTC Active Warning: Yes 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 fluctuations can occur. High-latitude

Space Weather Message Code: ALTK05 Serial Number: 1027 Issue Time: 2016 Oct 13 1924 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 13 1920 UTC Synoptic Period: 1800-2100 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: 1254 Issue Time: 2016 Oct 13 1758 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1253 Valid From: 2016 Oct 13 0706 UTC Now Valid Until: 2016 Oct 14 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 60 degrees Geomagnetic Latitude. Induced Currents –