Space Weather Message Code: WARK05 Serial Number: 1245 Issue Time: 2016 Sep 30 1433 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1244 Valid From: 2016 Sep 26 2353 UTC Now Valid Until: 2016 Oct 01 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 –

Space Weather Message Code: WARK05 Serial Number: 1244 Issue Time: 2016 Sep 30 0555 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1243 Valid From: 2016 Sep 26 2353 UTC Now Valid Until: 2016 Sep 30 1500 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 –

Space Weather Message Code: WARK04 Serial Number: 2995 Issue Time: 2016 Sep 29 2051 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2994 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Sep 30 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: WARK06 Serial Number: 355 Issue Time: 2016 Sep 29 1616 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2016 Sep 29 1616 UTC Valid To: 2016 Sep 29 2100 UTC Warning Condition: Onset 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

Space Weather Message Code: ALTK05 Serial Number: 1020 Issue Time: 2016 Sep 29 1542 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Sep 29 1542 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: WARK04 Serial Number: 2994 Issue Time: 2016 Sep 29 1448 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2993 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Sep 29 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: WARK06 Serial Number: 354 Issue Time: 2016 Sep 29 1157 UTC EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 353 Valid From: 2016 Sep 29 0631 UTC Now Valid Until: 2016 Sep 29 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 55 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: ALTK05 Serial Number: 1019 Issue Time: 2016 Sep 29 1020 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Sep 29 1014 UTC Synoptic Period: 0900-1200 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: 1018 Issue Time: 2016 Sep 29 0747 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Sep 29 0746 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: 353 Issue Time: 2016 Sep 29 0632 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2016 Sep 29 0631 UTC Valid To: 2016 Sep 29 1200 UTC Warning Condition: Onset 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