Space Weather Message Code: ALTK05 Serial Number: 1026 Issue Time: 2016 Oct 13 1640 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 13 1639 UTC Synoptic Period: 1500-1800 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: 1025 Issue Time: 2016 Oct 13 1307 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 13 1306 UTC Synoptic Period: 1200-1500 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: 3013 Issue Time: 2016 Oct 13 1237 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3012 Valid From: 2016 Oct 12 2228 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 65 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: WARK04 Serial Number: 3012 Issue Time: 2016 Oct 13 1047 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3011 Valid From: 2016 Oct 12 2228 UTC Now Valid Until: 2016 Oct 13 2000 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: ALTK05 Serial Number: 1024 Issue Time: 2016 Oct 13 0815 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 13 0815 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: ALTK04 Serial Number: 1928 Issue Time: 2016 Oct 13 0723 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2016 Oct 13 0722 UTC Synoptic Period: 0600-0900 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: WARK05 Serial Number: 1251 Issue Time: 2016 Oct 13 0706 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 13 0706 UTC Valid To: 2016 Oct 13 1500 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: WARK04 Serial Number: 3011 Issue Time: 2016 Oct 13 0644 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3010 Valid From: 2016 Oct 12 2228 UTC Now Valid Until: 2016 Oct 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 –

Space Weather Message Code: WARK04 Serial Number: 3010 Issue Time: 2016 Oct 12 2228 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Oct 12 2228 UTC Valid To: 2016 Oct 13 0700 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: 142 Issue Time: 2016 Oct 12 1942 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Oct 13: G1 (Minor) Oct 14: G2 (Moderate) Oct 15: None (Below G1) 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