Space Weather Message Code: WARK05 Serial Number: 1247 Issue Time: 2016 Oct 01 1932 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 01 1935 UTC Valid To: 2016 Oct 01 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: 2999 Issue Time: 2016 Oct 01 1456 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2998 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Oct 01 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: 2998 Issue Time: 2016 Oct 01 0628 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2997 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Oct 01 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 65 degrees Geomagnetic Latitude. Induced Currents –

Space Weather Message Code: WARK05 Serial Number: 1246 Issue Time: 2016 Oct 01 0432 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Oct 01 0431 UTC Valid To: 2016 Oct 01 1300 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: ALTK05 Serial Number: 1021 Issue Time: 2016 Sep 30 2106 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Sep 30 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: WARK04 Serial Number: 2997 Issue Time: 2016 Sep 30 1506 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2996 Valid From: 2016 Sep 25 2022 UTC Now Valid Until: 2016 Oct 01 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: 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