A stream of incredibly fast solar wind has started to impact the Earth today, and the National Weather Service’s Space Weather Prediction Center (SWPC) says G1-class geomagnetic storm conditions are possible tomorrow. The SWPC has issued a warning with a geomagnetic K index of 4 expected sometime between 1345 UTC and 2359 UTC on June 15. “Area of impact primarily poleward of 65 degrees Geomagnetic Latitude,” the SWPC said in a warning message issued today. Induced currents and weak power grid fluctuations can occur. Aurora, also known as “Northern Lights”, may be visible at high latitudes such as Canada and Alaska this evening. TWO WEBSITES TO WATCH: https://spaceweather.com/ https://www.solarham.net/ More information: A G1 Geomagnetic Storm Watch is in effect, with G1-Minor conditions possible on both Wednesday and Thursday. By Friday, the SWPC believes the geomagnetic storm conditions will no longer be present. With this geomagnetic storm, the area of impact i...