Space Weather Message Code: WARK04 Serial Number: 3052 Issue Time: 2016 Nov 12 0803 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3051 Valid From: 2016 Nov 11 2200 UTC Now Valid Until: 2016 Nov 12 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: ALTK04 Serial Number: 1935 Issue Time: 2016 Nov 12 0546 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2016 Nov 12 0545 UTC Synoptic Period: 0300-0600 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: 3051 Issue Time: 2016 Nov 11 2158 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Nov 11 2200 UTC Valid To: 2016 Nov 12 0900 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: WARK05 Serial Number: 1274 Issue Time: 2016 Nov 11 0546 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1273 Valid From: 2016 Nov 11 0127 UTC Now Valid Until: 2016 Nov 11 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: ALTK05 Serial Number: 1049 Issue Time: 2016 Nov 11 0204 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Nov 11 0204 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: 1273 Issue Time: 2016 Nov 11 0128 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Nov 11 0127 UTC Valid To: 2016 Nov 11 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: 3049 Issue Time: 2016 Nov 11 0039 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3048 Valid From: 2016 Nov 10 1308 UTC Now Valid Until: 2016 Nov 11 0600 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: WATA20 Serial Number: 751 Issue Time: 2016 Nov 10 2108 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Nov 11: G1 (Minor) Nov 12: G1 (Minor) Nov 13: 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 60 degrees Geomagnetic Latitude. Induced

Space Weather Message Code: WARK04 Serial Number: 3048 Issue Time: 2016 Nov 10 1706 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3047 Valid From: 2016 Nov 10 1308 UTC Now Valid Until: 2016 Nov 11 0100 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: 1934 Issue Time: 2016 Nov 10 1612 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2016 Nov 10 1601 UTC Synoptic Period: 1500-1800 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