Space Weather Message Code: WARK06 Serial Number: 340 Issue Time: 2016 Aug 02 2008 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2016 Aug 02 2010 UTC Valid To: 2016 Aug 03 2359 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: WARK05 Serial Number: 1205 Issue Time: 2016 Aug 02 2005 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2016 Aug 02 2005 UTC Valid To: 2016 Aug 03 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: 2924 Issue Time: 2016 Aug 02 1527 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2016 Aug 02 1530 UTC Valid To: 2016 Aug 02 2300 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: WATA30 Serial Number: 139 Issue Time: 2016 Jul 31 1912 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Aug 01: None (Below G1) Aug 02: G2 (Moderate) Aug 03: 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 55 degrees Geomagnetic Latitude. Induced

Space Weather Message Code: WATA30 Serial Number: 138 Issue Time: 2016 Jul 30 2017 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Jul 31: None (Below G1) Aug 01: None (Below G1) Aug 02: G2 (Moderate) 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 55 degrees Geomagnetic Latitude.

Space Weather Message Code: WARK04 Serial Number: 2923 Issue Time: 2016 Jul 29 0959 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 2922 Valid From: 2016 Jul 28 1831 UTC Now Valid Until: 2016 Jul 29 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 –