WOXX20 KWNP 141216 WATA20 Space Weather Message Code: WATA20 Serial Number: 640 Issue Time: 2015 Jul 14 1213 UTC CANCEL WATCH: Geomagnetic Storm Category G1 Predicted Cancel Serial Number: 639 Original Issue Time: 2015 Jul 13 2114 UTC Comment: G1 geomagnetic storm conditions are no longer expected based on current solar wind parameters. Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine. # Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Recent messages, data, and help at http://swpc.noaa.gov/alerts/ # Send questions to SWPC.Webmaster@noaa.gov