Space Weather Message Code: WARK04 Serial Number: 3270 Issue Time: 2017 Aug 06 0855 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3269 Valid From: 2017 Aug 03 1717 UTC Now Valid Until: 2017 Aug 06 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: WARK04 Serial Number: 3269 Issue Time: 2017 Aug 05 2353 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3268 Valid From: 2017 Aug 03 1717 UTC Now Valid Until: 2017 Aug 06 0900 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: 3268 Issue Time: 2017 Aug 05 0550 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3267 Valid From: 2017 Aug 03 1717 UTC Now Valid Until: 2017 Aug 05 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: WARK05 Serial Number: 1372 Issue Time: 2017 Aug 05 0544 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 1371 Valid From: 2017 Aug 04 0630 UTC Now Valid Until: 2017 Aug 05 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: 3267 Issue Time: 2017 Aug 04 1431 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3266 Valid From: 2017 Aug 03 1717 UTC Now Valid Until: 2017 Aug 05 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: 1370 Issue Time: 2017 Aug 04 0631 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2017 Aug 04 0630 UTC Valid To: 2017 Aug 04 1500 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: 3265 Issue Time: 2017 Aug 04 0021 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3264 Valid From: 2017 Aug 03 1717 UTC Now Valid Until: 2017 Aug 04 0900 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: 3264 Issue Time: 2017 Aug 03 2348 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 3263 Valid From: 2017 Aug 03 1717 UTC Now Valid Until: 2017 Aug 03 0900 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: 1994 Issue Time: 2017 Aug 03 1806 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2017 Aug 03 1759 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

Space Weather Message Code: WARK04 Serial Number: 3263 Issue Time: 2017 Aug 03 1716 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2017 Aug 03 1717 UTC Valid To: 2017 Aug 03 2359 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