Space Weather Message Code: ALTK05 Serial Number: 1047 Issue Time: 2016 Oct 29 0214 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 29 0212 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: WARK05 Serial Number: 1269 Issue Time: 2016 Oct 28 2015 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 28 2015 UTC Valid To: 2016 Oct 29 0600 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: 3033 Issue Time: 2016 Oct 28 1443 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3032 Valid From: 2016 Oct 28 0740 UTC Now Valid Until: 2016 Oct 29 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: ALTK04 Serial Number: 1931 Issue Time: 2016 Oct 28 0900 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2016 Oct 28 0859 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: WARK04 Serial Number: 3032 Issue Time: 2016 Oct 28 0739 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Oct 28 0740 UTC Valid To: 2016 Oct 28 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: 3031 Issue Time: 2016 Oct 27 2354 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3030 Valid From: 2016 Oct 24 0215 UTC Now Valid Until: 2016 Oct 28 0700 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: 1046 Issue Time: 2016 Oct 27 1801 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 27 1759 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: 1268 Issue Time: 2016 Oct 27 1618 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 27 1618 UTC Valid To: 2016 Oct 27 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: WARK04 Serial Number: 3030 Issue Time: 2016 Oct 27 0555 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3029 Valid From: 2016 Oct 24 0215 UTC Now Valid Until: 2016 Oct 27 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: ALTK05 Serial Number: 1045 Issue Time: 2016 Oct 27 0437 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 27 0437 UTC Synoptic Period: 0300-0600 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.