Space Weather Message Code: ALTK05 Serial Number: 1023 Issue Time: 2016 Oct 04 0450 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 04 0450 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.

Space Weather Message Code: WARK05 Serial Number: 1249 Issue Time: 2016 Oct 04 0434 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 04 0435 UTC Valid To: 2016 Oct 04 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: ALTK04 Serial Number: 1925 Issue Time: 2016 Oct 04 0300 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2016 Oct 04 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: 3004 Issue Time: 2016 Oct 04 0233 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3003 Valid From: 2016 Oct 03 1855 UTC Now Valid Until: 2016 Oct 04 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: 3003 Issue Time: 2016 Oct 03 1855 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Oct 03 1855 UTC Valid To: 2016 Oct 04 0300 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: 3002 Issue Time: 2016 Oct 02 2354 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3001 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Oct 03 1300 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: 1022 Issue Time: 2016 Oct 02 2100 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Oct 02 2059 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: 1248 Issue Time: 2016 Oct 02 2044 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 02 2045 UTC Valid To: 2016 Oct 02 2359 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: 3001 Issue Time: 2016 Oct 02 1256 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3000 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Oct 02 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: WARK04 Serial Number: 3000 Issue Time: 2016 Oct 01 2350 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2999 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Oct 02 1300 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 –