As expected, a coronal mass ejection hit Earth on Sept. 3rd at approximately 1200 UT (5 am PDT). The impact induced significant ground currents in the soil of northern Scandinavia and sparked bright auroras around the Arctic Circle. A moderate geomagnetic storm is underway. Aurora alerts: text, phone.

© Jonathan Tucker
Jonathan Tucker photographed this display over Whitehorse in the Yukon Territories during the early hours of Sept. 3rd:

"I'm glad Its getting dark again in the land of the midnight sun," says Tucker. "These were my first auroras of the year here in the Yukon."

Stay tuned to the aurora gallery for photos of the ongoing geomagnetic storm.