Space Weather Message Code: WARK04 Serial Number: 2951 Issue Time: 2016 Aug 29 1213 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Aug 29 1215 UTC Valid To: 2016 Aug 29 1600 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: WATA20 Serial Number: 738 Issue Time: 2016 Aug 27 1439 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Aug 28: None (Below G1) Aug 29: G1 (Minor) Aug 30: G1 (Minor) 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: WATA20 Serial Number: 737 Issue Time: 2016 Aug 26 1416 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Aug 27: None (Below G1) Aug 28: None (Below G1) Aug 29: G1 (Minor) 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.

Space Weather Message Code: WARK04 Serial Number: 2950 Issue Time: 2016 Aug 25 2243 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Aug 25 2243 UTC Valid To: 2016 Aug 26 0600 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: ALTK04 Serial Number: 1914 Issue Time: 2016 Aug 24 1500 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2016 Aug 24 1500 UTC Synoptic Period: 1200-1500 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: 2949 Issue Time: 2016 Aug 24 1311 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Aug 24 1312 UTC Valid To: 2016 Aug 24 1800 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: WARK06 Serial Number: 345 Issue Time: 2016 Aug 24 0204 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2016 Aug 24 0205 UTC Valid To: 2016 Aug 24 0600 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: 991 Issue Time: 2016 Aug 24 0200 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Aug 24 0200 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: ALTK05 Serial Number: 990 Issue Time: 2016 Aug 23 2333 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Aug 23 2333 UTC Synoptic Period: 2100-2400 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: 989 Issue Time: 2016 Aug 23 2045 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2016 Aug 23 2045 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.